CN111616056B - Method for removing peculiar smell in captive sheep house in winter - Google Patents
Method for removing peculiar smell in captive sheep house in winter Download PDFInfo
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- 241001494479 Pecora Species 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 47
- 241000209094 Oryza Species 0.000 claims abstract description 46
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 46
- 235000009566 rice Nutrition 0.000 claims abstract description 46
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 244000144992 flock Species 0.000 claims abstract description 38
- 230000009286 beneficial effect Effects 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000000813 microbial effect Effects 0.000 claims abstract description 33
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 22
- 239000000292 calcium oxide Substances 0.000 claims abstract description 22
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims abstract description 21
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 20
- 235000019691 monocalcium phosphate Nutrition 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000009395 breeding Methods 0.000 claims abstract description 13
- 230000001488 breeding effect Effects 0.000 claims abstract description 12
- 241000894006 Bacteria Species 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 7
- 240000001046 Lactobacillus acidophilus Species 0.000 claims description 6
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 claims description 6
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims description 6
- 229940039695 lactobacillus acidophilus Drugs 0.000 claims description 6
- 230000000243 photosynthetic effect Effects 0.000 claims description 6
- 241001446247 uncultured actinomycete Species 0.000 claims description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 10
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 10
- 238000012258 culturing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 2
- 239000010903 husk Substances 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 23
- 210000003608 fece Anatomy 0.000 description 11
- 229910021529 ammonia Inorganic materials 0.000 description 9
- 210000002700 urine Anatomy 0.000 description 7
- 239000010871 livestock manure Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 206010059410 Faecaluria Diseases 0.000 description 2
- 241000283903 Ovis aries Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010023644 Lacrimation increased Diseases 0.000 description 1
- 206010023845 Laryngeal oedema Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 210000000744 eyelid Anatomy 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000004317 lacrimation Effects 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
- A01K1/03—Housing for domestic or laboratory animals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/58—Ammonia
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0266—Other waste gases from animal farms
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a method for removing peculiar smell in a sheep pen raised in pens in winter, and belongs to the technical field of sheep raising methods. The method specifically comprises the steps of applying quicklime to the ground before sheep are introduced into a sheep house, paving rice husks, introducing the sheep flock on the 2 th to 3 th days, spraying beneficial microbial liquid once in the morning of the day of introducing the sheep flock, spraying zymophyte once again every 1 to 2 days, and continuously spraying for 2 times; and then, applying calcium superphosphate once every 7-10 days, repeating the process once every 15-20 days, and repeating the process once every 15-20 days until the flocks are slaughtered, and removing all rice hulls on the ground of the sheep pen after the flocks are slaughtered. The method can effectively remove the peculiar smell in the sheep pen, and particularly has obvious removal effect on ammonia nitrogen and hydrogen sulfide; rice hulls do not need to be turned in the whole flock culturing period, and the flocks are only cleaned once after being slaughtered, so that the culturing labor cost can be greatly reduced; the whole breeding process does not need to wash the sheepcote with water, so that the breeding water consumption is reduced, and zero emission is realized in the whole process.
Description
Technical Field
The invention relates to the technical field of sheep breeding methods, in particular to a method for removing peculiar smell in a captive sheep house in winter.
Background art:
the large-scale and intensive production becomes the inevitable development trend of the raw sheep production in China. The sheep raising industry in China develops rapidly and continuously in an enlarged scale in recent years, and the production mode improves the production management level, the labor productivity and the economic benefit of the sheep raising field, simultaneously leads the excrement and urine of the sheep field and the waste water from the fence washing to be excessively and intensively discharged in large quantity, causes great pressure on the environment, and if unreasonable treatment is carried out, seriously pollutes the environment and water sources and also influences the normal production of the sheep raising field.
At present, a large-scale farmer introduces a slotted floor mode into sheep farming, sheep manure enters a manure pit below the slotted floor through the slotted floor, and the sheep manure is once again cleaned out of the sheep house when the manure pit is full of sheep manure and urine. The leak floor mode is introduced into a sheep house, so that sheep do not directly contact with fecaluria, the cleanliness of sheep flocks is improved, however, the fecaluria is accumulated in a manure pit for a long time, the pollution of malodorous gases generated by natural fermentation is still serious, the malodorous gases mainly comprise ammonia gas, hydrogen sulfide and the like, and the malodorous gases can irritate eyelid mucosa and nasal mucosa when the concentration is too high, so that the symptoms such as mucosal congestion, larynx edema and the like are caused, and the feed intake and health of the sheep flocks are seriously influenced, therefore, the leak floor breeding mode generally needs to be flushed with water once within 2-3d days, a large amount of water is needed, and a large amount of liquid dung is generated at the same time, so that huge pressure is caused to the environment.
The fermentation bed cultivation mode is initially used for cultivation of live pigs, and according to the theory of in-situ composting, padding in a fermentation bed is used as a medium to adsorb, dilute and homogenize dung and urine discharged by livestock, and microorganisms are propagated and metabolized by using the dung and urine in the padding as nutrient substances, so that the effects of fast decomposition, conversion, decomposition of the dung and urine and moisture evaporation are achieved, and the peculiar smell of a stall is reduced. The sheep raising industry has also been introduced at present to this mode, but the fermentation bed needs to turn over regularly, needs to invest a large amount of manpowers, also can need great earlier stage to invest simultaneously, and this can bring a lot of cost pressure to traditional aquaculture.
Therefore, the invention is needed to provide a method for removing the peculiar smell of the sheep pen, which can effectively reduce the peculiar smell of the sheep pen and simultaneously reduce the water flushing amount and the investment cost of the sheep pen.
Disclosure of Invention
The invention aims at the problems that the existing slotted floor breeding mode has serious stink gas pollution of the sheep pen, large water consumption for flushing the fence and large amount of liquid dung; the method for removing the peculiar smell of the captive sheep pen in winter is obvious in stink removing effect, does not need to be washed by water, is small in investment and achieves zero emission.
In order to achieve the purpose, the invention is realized by the following technical scheme.
A method for removing peculiar smell in a captive sheep house in winter is characterized by comprising the following steps:
(1) introducing sheep flocks into the sheep house 8:00-9:00 in the morning, uniformly spraying quicklime on the ground of the sheep house, wherein the application amount of the quicklime is 0.12-0.15kg/m2(ii) a Then rice hulls are paved on the quick lime, and the paving thickness is 2-2.5 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of the sheep, and specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1-1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5-2m2The weight of sheep is more than 40 kg/head, and the density is 2-3m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls 2-3 days earlier by 9:00-10:00 after the rice hulls are laid, wherein the spraying amount of the beneficial microbial bacteria liquid is 40-50ml/m2Spraying the beneficial microbial liquid once again every 1-2 days, and continuously spraying for 2 times;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml。
(3) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate onto the surface of the rice hull at intervals of 7-10 days, wherein the application amount of the calcium superphosphate is 50-55g/m2；
(4) And (3) repeating the steps (1) to (3) every 15-20 days after the calcium superphosphate is sprayed until the flocks are slaughtered, and removing all rice hulls on the ground of the sheep pen after the flocks are slaughtered.
Corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1-1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5-2m2The weight of sheep is more than 40 kg/head, and the density is 2-3m2A/only.
The invention has the beneficial effects that:
1. according to the method, quicklime is added, so that on one hand, pathogenic bacteria can be effectively inhibited, and on the other hand, the quicklime can also inhibit the generation of ammonia; excrement and urine excreted by the sheep flock in the pen house can be mixed with the rice hulls and the beneficial microbial liquid under the condition that the sheep flock moves, the beneficial microbial liquid can ferment the sheep excrement and urine, odor is reduced, calcium superphosphate is added to perform chemical reaction with ammonia gas, the ammonia gas is adsorbed, and the generated superphosphate further reduces the generation of the ammonia gas;
2. rice hulls do not need to be turned in the whole flock culturing period, and the flocks are only cleaned once after being slaughtered, so that the culturing labor cost can be greatly reduced;
3. the method can effectively remove the peculiar smell of the sheepcote, greatly reduce the odor of ammonia nitrogen, hydrogen sulfide and the like, effectively provide a good hurdle air environment for the sheepcote and improve the health of the sheepcote;
4. the whole breeding process does not need to wash the sheepcote with water, so that the breeding water consumption is reduced, and zero emission is realized in the whole process.
Detailed Description
The invention is further illustrated by the following specific examples.
Example 1
A method for removing peculiar smell in a captive sheep house in winter is characterized by comprising the following steps:
(1) introducing flocks into the sheepcote 8:00 in the morning, and uniformly spraying quicklime on the ground of the sheepcote, wherein the application amount of the quicklime is 0.12kg/m2(ii) a Then rice husk is laid on the quicklime to a thick layerThe degree is 2 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of the sheep, and specifically comprises the following steps: the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 2m2The weight of sheep is more than 40 kg/head, and the density is 3m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls at 9:00 morning 3 days after the rice hulls are laid, wherein the spraying amount of the beneficial microbial bacteria liquid is 40ml/m2Spraying the beneficial microbial liquid once again every 1 day for 2 times;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml。
(4) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate to the surface of the rice hull at intervals of 7 days, wherein the application amount of the calcium superphosphate is 50-55g/m2；
(5) And (3) repeating the steps (1) to (3) every 15 days after the calcium superphosphate is sprayed until the flocks are slaughtered, and shoveling off all rice hulls on the ground of the sheep pen after the flocks are slaughtered.
Corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 2m2The weight of sheep is more than 40 kg/head, and the density is 3m2A/only.
Example 2
A method for removing peculiar smell in a captive sheep house in winter is characterized by comprising the following steps:
(1) introducing flocks into the sheepcote 8:30 in the morning, and uniformly spraying quicklime on the ground of the sheepcote, wherein the application amount of the quicklime is 0.13kg/m2(ii) a Then rice hulls are paved on the quick lime, and the paving thickness is 2.2 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of the sheep, and specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.2m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.8m2The weight of sheep is more than 40 kg/head, and the density is 2.5m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls on the morning of 9:30 days 3 days after the rice hulls are laid, wherein the spraying amount of the beneficial microbial bacteria liquid is 45ml/m2Spraying the beneficial microbial liquid once again every 2 days for 2 times continuously;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml；
(3) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate on the surface of the rice hull at intervals of 9 days, wherein the application amount of the calcium superphosphate is 53g/m2；
(4) And (3) repeating the steps (1) to (3) every 18d after the calcium superphosphate is sprayed until the flocks are slaughtered, and shoveling off all rice hulls on the ground of the sheep pen after the flocks are slaughtered.
Corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.2m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.8m2The weight of sheep is more than 40 kg/head, and the density is 2.5m2A/only.
Example 3
A method for removing peculiar smell in a captive sheep house in winter is characterized by comprising the following steps:
(1) introducing flocks into the sheepcote 9:00 in the morning, and uniformly spraying quicklime on the ground of the sheepcote, wherein the application amount of the quicklime is 0.15kg/m2(ii) a Then rice hulls are paved on the quick lime, and the paving thickness is 2.5 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of sheep, specificallyComprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5m2The weight of sheep is more than 40 kg/head, and the density is 2m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls at the morning of 10:00 days 2 after the rice hulls are laid, wherein the spraying amount of the beneficial microbial bacteria liquid is 40ml/m2Spraying the beneficial microbial liquid once again every 2 days for 2 times continuously;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml。
(4) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate to the surface of the rice hull at intervals of 10 days, wherein the application amount of the calcium superphosphate is 55g/m2；
(5) And (3) after the calcium superphosphate is sprayed, repeating the steps (1) to (4) every 20 days until the flocks are slaughtered, and after the flocks are slaughtered, removing all rice hulls on the ground of the sheep pen.
Corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5m2The weight of sheep is more than 40 kg/head, and the density is 2m2A/only.
Test examples
The test is carried out in a certain sheep farm selected for repairing water, and the basic conditions of the sheep farm stall are as follows: the single-row single sheep hurdle is rectangular, the length and the width of the single-row single-hurdle are respectively 15m and 4m, the ground is a soil ground, the sheep hurdle is of a wood structure, the ceiling is of a color steel tile structure, the sheep hurdle is surrounded by bamboo-woven fences, each sheep hurdle is provided with 6 windows, and two doors are opened vertically. Selecting 8 barns, dividing the barns into 5 groups, namely a control group, a test group 1, a test group 2, a test group 3 and a test group 4, wherein the average weight of introduced lambs in each two barns is about 18kg, 50 lambs are introduced into each sheep house in the test process, and the control group adopts a conventional ventilation method; the experimental procedure of experimental group 1 was the same as that of example 2; the test procedure of the test group 2 was the same as that of example 2 except that the quicklime applying step in example 2 was removed; the experimental protocol of experimental group 3 was the same as that of example 2 except that the beneficial microbial inoculum was removed from the loop of example 2; the experimental protocol of experimental group 4 was the same as that of example 2 except that the calcium superphosphate moiety was removed from example 2. The test was repeated just twice for the method of example 2 starting at 23 days 11 and 2020 and ending at 8 days 1 and 2020 in 2019, during which the flock density was adjusted once according to the weight of the sheep at 15 days 12 and 12 in 2019. Test the concentrations of ammonia and hydrogen sulfide were measured once at the same four corners and 0.8m from the ground at the middle position of each sheep house from 9:00-10:00 am, the day before the introduction of sheep from the sheep house, and then the concentrations of ammonia and hydrogen sulfide were measured once every 1 week for the same period of time (9: 00-10:00 am). The results of the specific experiments are shown in tables 1 and 2.
TABLE 1 Ammonia gas changes in sheepfold (mg/m)3)
TABLE 2 Change in Hydrogen sulfide in sheep sheepfold (mg/m)3)
As can be seen from the results in Table 1, the ammonia concentration in the sheepcotes of the test groups 1 to 4 is significantly reduced compared with that in the control group; the ammonia concentration of the sheep pen of the experimental group 1 is 5mg/m3In the following, only 2 sheep had tear symptoms observed throughout the experiment; the ammonia concentration of the sheepcots of the test groups 2, 3 and 4 integrally shows an ascending trend, and the ammonia concentration in the sheepcots exceeds 9mg/m at the 11 th week3In the test process, 38 sheep, 52 sheep and 44 sheep were observed to have different degrees of lacrimation. Therefore, the method can effectively remove the ammonia concentration in the sheepcote and ensure the health of the sheepfold.
As can be seen from the results in Table 2, the concentrations of hydrogen sulfide in the sheepcotes of the test groups 1 to 4 are remarkably reduced compared with the control group; test group1 the concentration of hydrogen sulfide in the sheepcote is 0.002mg/m3The hydrogen sulfide concentrations in the sheepcots of the test groups 2, 3 and 4 showed an overall upward trend, and the ammonia concentrations in the sheepcots at week 11 all exceeded 0.004mg/m3. Therefore, the method can effectively remove the concentration of the hydrogen sulfide in the sheepcote and ensure the health of the sheep flock.
Claims (4)
1. A method for removing peculiar smell in a captive sheep house in winter is characterized by comprising the following steps:
(1) introducing sheep flocks into the sheep house 8:00-9:00 in the morning, uniformly spraying quicklime on the ground of the sheep house, wherein the application amount of the quicklime is 0.12-0.15kg/m2(ii) a Then rice hulls are paved on the quick lime, and the paving thickness is 2-2.5 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of the sheep, and specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1-1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5-2m2The weight of sheep is more than 40 kg/head, and the density is 2-3m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls 2-3 days earlier by 9:00-10:00, wherein the spraying amount of the beneficial microbial bacteria liquid is 40-50ml/m2Spraying the beneficial microbial liquid once again every 1-2 days, and continuously spraying for 2 times;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml；
(3) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate onto the surface of the rice hull at intervals of 7-10 days, wherein the application amount of the calcium superphosphate is 50-55g/m2；
(4) And (3) repeating the steps (1) to (3) every 15-20 days after the calcium superphosphate is sprayed until the flocks are slaughtered, and removing all rice hulls on the ground of the sheep pen after the flocks are slaughtered.
2. The method for removing the odor of the sheep hurdle raised in winter according to claim 1, wherein the method comprises the following steps:
(1) introducing flocks into the sheepcote 8:30 in the morning, and uniformly spraying quicklime on the ground of the sheepcote, wherein the application amount of the quicklime is 0.13kg/m2(ii) a Then rice hulls are paved on the quick lime, and the paving thickness is 2.2 cm;
the ground of the sheep pen is made of soil, the rice hulls are dry rice hulls, and the water content is lower than 5%;
the density of the introduced sheep flock is determined according to the weight of the sheep, and specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.2m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.8m2The weight of sheep is more than 40 kg/head, and the density is 2.5m2A/only;
(2) uniformly spraying beneficial microbial bacteria liquid once on the rice hulls on the morning of 9:30 days 3 days after the rice hulls are laid, wherein the spraying amount of the beneficial microbial bacteria liquid is 45ml/m2Spraying the beneficial microbial liquid once again every 2 days for 2 times continuously;
the beneficial microbial liquid contains photosynthetic bacteria 1.5-3.5 × 108CFU/ml, Lactobacillus acidophilus 0.8-1.5 × 108CFU/ml, actinomycete 1.8-4.5X 108CFU/ml, yeast 2.5X 108CFU/ml；
(3) After spraying the beneficial microbial liquid, uniformly spraying calcium superphosphate on the surface of the rice hull at intervals of 9 days, wherein the application amount of the calcium superphosphate is 53g/m2；
(4) And (3) repeating the steps (1) to (3) every 18d after the calcium superphosphate is sprayed until the flocks are slaughtered, and shoveling off all rice hulls on the ground of the sheep pen after the flocks are slaughtered.
3. The method for removing the odor of the sheep hurdle raised in winter according to claim 1, wherein the method comprises the following steps: corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1-1.5m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.5-2m2The weight of sheep is more than 40 kg/head, and the density is 2-3m2A/only.
4. The method for removing the odor of the sheep hurdle raised in winter according to claim 2, wherein the method comprises the following steps: corresponding density adjustment is carried out according to the change of sheep weight in the whole breeding process, and the method specifically comprises the following steps: the weight of sheep is below 20 kg/head, and the density is 1.2m2A/only; the weight of sheep is 20-40 kg/head, and the density is 1.8m2The weight of sheep is more than 40 kg/head, and the density is 2.5m2A/only.
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