JP5546720B2 - Animal feed composition - Google Patents
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- JP5546720B2 JP5546720B2 JP2007084827A JP2007084827A JP5546720B2 JP 5546720 B2 JP5546720 B2 JP 5546720B2 JP 2007084827 A JP2007084827 A JP 2007084827A JP 2007084827 A JP2007084827 A JP 2007084827A JP 5546720 B2 JP5546720 B2 JP 5546720B2
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Description
本発明は、家畜用飼料組成物に関し、特に、家畜の糞臭抑制等の効果を有する、廃白土を含有した家畜用飼料組成物に関するものである。 TECHNICAL FIELD The present invention relates to a livestock feed composition, and more particularly to a livestock feed composition containing waste white clay having effects such as suppression of livestock excrement.
畜産事業において、家畜の***物を源とする悪臭の発生は、特に都市近郊の生産現場における重要な課題であり、これを従来よりも抑制し得る、低コストで優れた技術の開発が望まれている。 Odor generation from livestock excrement is an important issue in livestock production, especially at production sites in the suburbs of cities, and it is desirable to develop low-cost and superior technology that can suppress this more than before. ing.
また、畜産事業において、発育不良個体を減らし、かつ通常の飼育期間でも、低コストで高い成長を促す飼料の開発は産業上の大きな課題である。 In the livestock business, the development of feed that reduces the number of stunted individuals and promotes high growth at low cost even during normal breeding periods is a major industrial issue.
さらに、畜産事業において、糞尿処理が占めるコストは大きく、生産効率を維持したまま、糞尿処理に必要な費用、労力を低減させることは重要な課題となっており、糞量を低減させることのできる飼料の開発が望まれている。 Furthermore, in the livestock business, the cost of manure treatment is large, and it is an important issue to reduce the cost and labor required for manure treatment while maintaining production efficiency, and the amount of manure can be reduced. Development of feed is desired.
このような飼料として、例えば、酸性白土及びベントナイト及び／または天然ゼオライトより成る動物用飼料組成物（特許文献１参照）や、油脂精製に使用後、殺菌するとともに含有油分を取り除いてなる飼料添加物（特許文献２参照）が知られている。 As such feed, for example, an animal feed composition comprising acid clay and bentonite and / or natural zeolite (see Patent Document 1), or a feed additive that is sterilized and oil-free after use for oil refining. (See Patent Document 2).
特許文献１には、当該動物用飼料組成物を動物に経口投与することにより軟便予防効果、消臭効果、及び発育促進効果が得られることが開示されている。 Patent Document 1 discloses that a loose stool preventive effect, a deodorizing effect, and a growth promoting effect can be obtained by orally administering the animal feed composition to an animal.
また、特許文献２には、当該飼料添加物により家畜の食欲を増進させる効果があるほか、牛の体内のガスや臭いを吸収し、糞の臭いを弱める効果があることが開示されている。
しかしながら、特許文献１の動物用飼料組成物は、酸性白土、すなわち油脂精製工程に用いられていない白土を使用しており、本来、油脂精製工程中に用いられる白土を家畜飼料に用いるには経済的負担が大きいという問題がある。 However, the animal feed composition of Patent Document 1 uses acid clay, that is, white clay that has not been used in the oil refining process, and it is economical to use the white clay originally used in the oil refining process for livestock feed. There is a problem that the burden is large.
また、特許文献２の飼料添加物においても、含有油分を取り除く処理等を行わなければならず、処理に要する費用コストの問題がある。 In addition, the feed additive of Patent Document 2 must be processed to remove the oil content, and there is a problem of cost and cost required for the processing.
従って、本発明の目的は、低コストで製造可能な糞臭抑制、成長促進、糞量低減又は糞中水分含量低減の効果を有する家畜用飼料組成物を提供することである。 Therefore, the objective of this invention is providing the feed composition for livestock which has the effect of feces smell suppression which can be manufactured at low cost, growth promotion, feces amount reduction, or feces moisture content reduction.
本発明は、上記目的を達成するために、油分を１５〜５０質量％含む廃白土を０．５〜１０質量％含有することを特徴とする家畜用飼料組成物を提供する。
In order to achieve the above object, the present invention provides a livestock feed composition comprising 0.5 to 10% by mass of waste clay containing 15 to 50% by mass of oil.
本発明によると、低コストで製造可能な糞臭抑制、成長促進、糞量低減又は糞中水分含量低減の効果を有する家畜用飼料組成物を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the feed composition for livestock which has the effect of feces smell suppression which can be manufactured at low cost, growth promotion, feces amount reduction, or feces water content reduction can be provided.
〔本発明の実施の形態に係る家畜用飼料組成物〕
本発明の実施の形態に係る家畜用飼料組成物は、油脂の精製工程で１５〜５０質量％の油分を含んだ廃白土を含有する。
[Feed composition for livestock according to an embodiment of the present invention]
The feed composition for livestock according to the embodiment of the present invention contains waste clay containing 15 to 50% by mass of oil in the oil refining step.
（白土）
ここで言う白土とは、モンモリロナイトを主体とする粘土のことをいう。なお、特に限定されるものではないが、食品の製造工程においては通常、酸性白土を用いる場合が多い。また酸性白土は活性化処理を施されている場合もあり、これを活性白土という場合もある。本発明における白土とは、酸性白土、活性白土、いずれも含む。
(White clay)
The term “white clay” as used herein refers to clay mainly composed of montmorillonite. Although not particularly limited, acid clay is often used in the food production process. Moreover, the acid clay may be activated, and this may be called activated clay. The white clay in the present invention includes both acid white clay and activated white clay.
（廃白土）
本発明で用いられる廃白土は、油脂の精製工程で使用した後の白土である。本発明に使用される廃白土は、油分を１５〜５０質量％含むものであることが好ましく、２０〜４５質量％含むものであることがより好ましく、３０〜４０質量％含むものであることがさらに好ましい。
(Waste white clay)
The waste clay used in the present invention is a clay that has been used in the oil and fat refining process. The waste clay used in the present invention preferably contains 15 to 50% by mass of oil, more preferably 20 to 45% by mass, and even more preferably 30 to 40% by mass.
油脂としては、特に限定されるものではなく、液状油、固形脂いずれでもよい。特に限定されるものではないが、植物油が好ましく、例えば大豆油、ナタネ油、ヤシ油、パーム油及びそれらの混合油の精製に用いた廃白土を１種又は２種以上用いることができる。特にナタネ油の精製工程で用いられた廃白土を含有することが好ましい。 The oil and fat is not particularly limited, and may be either liquid oil or solid fat. Although it does not specifically limit, vegetable oil is preferable and can use 1 type, or 2 or more types of waste clay used for refinement | purification of soybean oil, rapeseed oil, coconut oil, palm oil, and those mixed oil, for example. In particular, it is preferable to contain waste clay used in the rapeseed oil refining process.
（家畜）
本実施の形態に係る飼料組成物は、家畜用であり、ここで、家畜とは、鶏などの鳥類の家畜（家禽）及び牛、豚などの哺乳類の家畜をいう。中でも、鶏、豚、牛などの、糞臭や糞の水分が問題になる一般畜産動物に好適に用いることができる。また、愛玩用として飼育される犬、猫、小鳥に用いてもよい。特に、実施例に示すように家禽に用いた場合に糞臭抑制効果等が高い。
(livestock)
The feed composition according to the present embodiment is for livestock. Here, livestock refers to livestock of birds such as chickens (poultry) and livestock of mammals such as cows and pigs. Among them, it can be suitably used for general livestock animals such as chickens, pigs, and cows, where feces odor and feces moisture are problems. It may also be used for dogs, cats, and small birds raised for pets. In particular, when used for poultry as shown in the Examples, the fecal odor suppression effect and the like are high.
（糞臭抑制効果）
本実施の形態に係る家畜用飼料組成物は、糞臭抑制効果を有する。糞臭の主成分はアンモニア、トリメチルアミン、メチルメルカプタン、硫化水素等であり、その他多くの成分も関与し、糞臭となる。特に、糞臭における重要な臭い成分のひとつがアンモニアであり、この揮散量を抑制することは糞臭抑制のために重要であり、本実施の形態に係る家畜用飼料組成物は、この揮散量を抑制することができる。
(Food odor control effect)
The feed composition for livestock according to the present embodiment has a fecal odor suppression effect. The main components of fecal odor are ammonia, trimethylamine, methyl mercaptan, hydrogen sulfide, and the like, and many other components are involved, resulting in fecal odor. In particular, one of the important odor components in the fecal odor is ammonia, and it is important to suppress the volatilization amount for the suppression of the fecal odor, and the livestock feed composition according to the present embodiment has the volatilization amount. Can be suppressed.
（成長促進効果）
本実施の形態に係る家畜用飼料組成物は、成長促進効果を有する。成長促進とは、同一条件、同一期間で、飼育した場合に、当該組成物を飼料に添加あるいは混合することによって、増体重量もしくは飼料効率が比較対照よりも優れている状態を示す。
(Growth promotion effect)
The livestock feed composition according to the present embodiment has a growth promoting effect. Growth promotion refers to a state in which the weight gain or feed efficiency is superior to that of the control by adding or mixing the composition to the feed when reared under the same conditions and the same period.
（糞量低減効果又は糞中水分含量低減効果）
本実施の形態に係る家畜用飼料組成物は、糞量低減効果又は糞中水分含量低減効果を有する。糞量が低減することで、処理コストが低減できる。また、糞中水分含量が低減することで、その扱いが容易になり、かつ、好気性のバクテリアが繁殖しやすくなるため堆肥化が進みやすくなる。
(Feces reduction effect or moisture content reduction effect in feces)
The livestock feed composition according to the present embodiment has an effect of reducing the amount of feces or reducing the water content of feces. The processing cost can be reduced by reducing the amount of feces. Moreover, since the water content in the feces is reduced, the handling becomes easy, and the aerobic bacteria are easily propagated, so that the composting is facilitated.
（家畜用飼料組成物中の廃白土の含有量）
本実施の形態に係る家畜用飼料組成物は、糞臭抑制効果、糞量低減効果又は糞中水分含量低減効果を目的とする場合には、廃白土を０．５〜２０質量％含有することが好ましい。また、成長促進効果を目的とする場合には、廃白土を０．５〜１０質量％含有することが好ましく、０．５〜２．５質量％含有することがより好ましい。
(Content of waste white clay in livestock feed composition)
The livestock feed composition according to the present embodiment contains 0.5 to 20% by mass of waste white clay when aiming at fecal odor suppression effect, fecal mass reduction effect or fecal water content reduction effect. Is preferred. Moreover, when aiming at the growth promotion effect, it is preferable to contain 0.5-10 mass% of waste white clay, and it is more preferable to contain 0.5-2.5 mass%.
（家畜用飼料組成物中のその他の組成）
家畜用飼料組成物中のその他の組成（基本飼料組成）としては、特に制限は無く、鶏、豚、牛などの飼料として市販されている各飼料や、通常飼料原料として用いられているものを適宜配合して調製したものを用いることができる。具体的には、トウモロコシ、小麦、フスマ、胚芽、マイロ等の炭水化物、大豆粕やその他各種ミールの蛋白源、大豆油やナタネ油等の脂肪源、あるいは繊維源、ビタミン類、ミネラル類、フラボノイド類、クロロフィル類、さらには、油脂精製工程に使っていない白土や圧力、燃焼、溶剤、比重等によって油分の除去処理を行った廃白土を含有しても良い。
(Other composition in feed composition for livestock)
The other composition (basic feed composition) in the livestock feed composition is not particularly limited, and each feed commercially available as a feed for chickens, pigs, cattle, etc., or those usually used as feed ingredients What was mixed and prepared suitably can be used. Specifically, carbohydrates such as corn, wheat, bran, germ, and milo, protein sources of soybean meal and other meals, fat sources such as soybean oil and rapeseed oil, or fiber sources, vitamins, minerals, and flavonoids Further, chlorophylls, and also white clay that has not been used in the oil refining process and waste white clay that has been subjected to oil removal treatment by pressure, combustion, solvent, specific gravity and the like may be contained.
また、形状や成型方法においても特に制限はなく、粉末状、ペレット状のもの等を用いることができる。 Moreover, there is no restriction | limiting in particular also in a shape or a shaping | molding method, A powder form, a pellet form, etc. can be used.
（家畜用飼料組成物の製造方法）
基本飼料の原料を１種もしくは２種以上、混合した後、廃白土を添加、混合することにより製造できる。廃白土の添加、混合の方法及び工程に特に制限は無く、飼料成形時に廃白土を添加混合しても良い。また、給餌前あるいは給餌中に添加、混合しても良い。
(Method for producing livestock feed composition)
It can be produced by adding and mixing waste white clay after mixing one or more raw materials for basic feed. There is no particular limitation on the method and process of adding and mixing waste white clay, and waste white clay may be added and mixed during feed molding. Moreover, you may add and mix before feeding or during feeding.
〔本発明の実施の形態の効果〕
本発明の実施の形態によれば、以下の効果を奏する。
（１）家畜、特に家禽の糞臭抑制、成長促進、糞量低減又は糞中水分含量低減が可能となる。
（２）油脂の精製工程で生じた廃白土を使用するため、簡便に低コストで製造できる。
（３）多くは有効な用途が無いままに産業廃棄物として処理されていた廃白土を再利用するため、低コストで製造でき、かつ、廃棄処理コストの節減及び環境負荷の低減ができる。
[Effect of the embodiment of the present invention]
According to the embodiment of the present invention, the following effects can be obtained.
(1) Feces odor control, growth promotion, fecal volume reduction, or fecal water content reduction of livestock, particularly poultry, can be achieved.
(2) Since the waste clay generated in the oil and fat refining process is used, it can be easily produced at low cost.
(3) In many cases, waste clay that has been treated as industrial waste without any effective use is reused, so that it can be manufactured at low cost, and waste disposal costs can be reduced and environmental burdens can be reduced.
〔各種廃白土を含有する家畜用飼料組成物の糞臭抑制、成長促進及び糞量低減効果〕
大豆油、ナタネ油、ヤシ油及びパーム油の精製工程で使用した白土、すなわち、大豆油廃白土、ナタネ油廃白土、ヤシ油廃白土及びパーム油廃白土を含有する家畜用飼料組成物について、以下の方法により、糞臭抑制、成長促進及び糞量低減効果の試験を行った。なお、この実施例における未使用白土とは、油脂精製に用いられていない状態の白土を指すものである。
[Animal composition containing various types of waste clay suppresses odor, promotes growth and reduces stool volume]
About the white clay used in the refining process of soybean oil, rapeseed oil, palm oil and palm oil, that is, feed composition for livestock containing soybean oil waste white clay, rapeseed oil waste white clay, palm oil waste white clay and palm oil waste white clay, The following methods were used to test fecal odor suppression, growth promotion, and fecal mass reduction effects. In addition, the unused clay in this Example refers to the clay in a state that is not used for oil refining.
（家畜用飼料組成物の製造例１）
油脂精製工程で常法に従い白土を使用した後、大豆油廃白土、ナタネ油廃白土、ヤシ油廃白土及びパーム油廃白土を表１に示す組成の基本飼料１００に対し、１（質量比）となるように添加して実施例１〜４の家畜用飼料組成物を得た。それぞれの廃白土の脂質含量は表２に示す通りであった。
なお、油脂精製工程で用いた白土は水澤化学工業社製を使用した。
(Production Example 1 of Livestock Feed Composition)
After using the white clay according to a conventional method in the oil refining process, 1 (mass ratio) of the soybean oil waste white clay, the rapeseed oil waste white clay, the palm oil waste white clay and the palm oil waste white clay with respect to the basic feed 100 having the composition shown in Table 1. It added so that it might become, and the feed composition for livestock of Examples 1-4 was obtained. The lipid content of each waste clay was as shown in Table 2.
In addition, the white clay used in the oil refining process was manufactured by Mizusawa Chemical.
（試験方法）
供試鶏数：５０羽
（対照区：１０羽、実施例１〜４及び比較例：各８羽）
平均初期体重：約１０５ｇ
投与期間：３週間
給餌方法：自由給餌、自由飲水
(Test method)
Number of test chickens: 50 (control group: 10 birds, Examples 1 to 4 and comparative example: 8 birds each)
Average initial weight: about 105g
Administration period: 3 weeks Feeding method: Free feeding, free drinking
対照区としては上記基本飼料のみからなる家畜用飼料組成物を用い、比較例としては油脂精製工程に使用していない未使用白土を上記基本飼料１００に対し、１（質量比）となるように添加した家畜用飼料組成物を用いた。 As a control plot, a livestock feed composition consisting only of the basic feed is used, and as a comparative example, unused white clay not used in the oil refining process is 1 (mass ratio) with respect to the basic feed 100. The added livestock feed composition was used.
（糞臭抑制効果試験）
投与期間中の糞をすべて採取し、各試験区、2羽の投与期間1週間分の糞を全量５０Lビニール袋に入れ、ポンプにより袋中の空気を充満し密閉する。その袋を２３℃で２４時間放置した後、（株）ガステックのアンモニア用ガス検知管No. ３L（０〜３０ppm用）にて吸引測定を行いアンモニア揮散量を測定した。試験結果を図１に示す。
(Food odor suppression effect test)
Collect all feces during the administration period, put feces for one week in each test group and 2 treatment periods into a 50L plastic bag, and fill and seal the air in the bag with a pump. The bag was allowed to stand at 23 ° C. for 24 hours, and was then subjected to suction measurement with an ammonia gas detector tube No. 3 L (for 0 to 30 ppm) manufactured by Gastec Co., Ltd. to measure the amount of volatilized ammonia. The test results are shown in FIG.
図１より、実施例１〜４のすべてにおいて対照区よりもアンモニア揮散量が抑制されていることが分かった。また、実施例２，４において比較例よりもアンモニア揮散量が抑制されていることが分かった。 From FIG. 1, it was found that in all of Examples 1 to 4, the ammonia volatilization amount was suppressed as compared to the control group. Moreover, in Example 2, 4, it turned out that the amount of ammonia volatilization is suppressed rather than the comparative example.
（成長促進効果試験）
３週間（投与期間）飼育後の体重を比較した。試験結果を図２に示す。飼料効率（％）は、以下の式により求めた。
〔（３週間飼育後の体重−試験前の体重）／食餌量〕×１００（％）
(Growth promotion effect test)
The body weight after breeding for 3 weeks (dose period) was compared. The test results are shown in FIG. The feed efficiency (%) was determined by the following formula.
[(Body weight after 3 weeks-weight before test) / food amount] × 100 (%)
図２より、実施例１〜４のすべてにおいて比較例よりも飼料効率が高まっていることが分かった。 From FIG. 2, it was found that in all of Examples 1 to 4, the feed efficiency was higher than that of the comparative example.
（糞量低減効果試験）
投与期間中の糞をすべて採取し、重量を測定した。試験結果を図３に示す。
(Feces reduction test)
All feces during the administration period were collected and weighed. The test results are shown in FIG.
図３より、実施例１〜４のすべてにおいて対照区よりも糞の量が低減していることが分かった。 From FIG. 3, it was found that in all of Examples 1 to 4, the amount of feces was reduced as compared with the control group.
〔各種配合率でナタネ油廃白土を含有する家畜用飼料組成物の成長促進及び糞中水分含量低減効果〕
各種配合率でナタネ油廃白土を含有する家畜用飼料組成物について、以下の方法により、成長促進及び糞中水分含量低減効果の試験を行った。
[Growth promotion and fecal water content reduction effect of livestock feed composition containing rapeseed oil waste clay at various blending ratios]
About the feed composition for livestock containing rapeseed oil waste clay with various compounding ratios, the growth promotion and the water content reduction effect in feces were tested by the following methods.
（家畜用飼料組成物の製造例２）
油脂精製工程で使用後、未処理のナタネ油廃白土を表１に示す組成の基本飼料１００に対し、１，２，５，１０（質量比）となるように添加して実施例５〜８の家畜用飼料組成物を得た。ナタネ油廃白土の脂質含量は３４．1%であった。なお、油脂精製工程で用いた白土は水澤化学工業社製を使用した。
(Production Example 2 for Livestock Feed Composition)
After use in the oil refining process, untreated rapeseed oil waste clay is added to the basic feed 100 having the composition shown in Table 1 so as to be 1, 2, 5, 10 (mass ratio). The feed composition for livestock was obtained. The lipid content of the rapeseed oil waste clay was 34.1%. In addition, the white clay used in the oil refining process was manufactured by Mizusawa Chemical.
（試験方法）
供試鶏数：４０羽
（対照区及び実施例５〜８：各８羽）
平均初期体重：約１０６ｇ
投与期間：２５日間
給餌方法：自由給餌、自由飲水
(Test method)
Number of test chickens: 40 (control group and Examples 5-8: 8 each)
Average initial weight: about 106g
Administration period: 25 days Feeding method: Free feeding, free drinking
対照区としては上記基本飼料のみからなる家畜用飼料組成物を用いた。 As a control group, a feed composition for livestock consisting of only the above basic feed was used.
（成長促進効果試験）
２５日間飼育後の体重を比較した。試験結果を図４，５に示す。飼料効率（％）は、以下の式により求めた。
〔（２５日間飼育後の体重−試験開始時の体重）／食餌量〕×１００（％）
(Growth promotion effect test)
The body weight after breeding for 25 days was compared. The test results are shown in FIGS. The feed efficiency (%) was determined by the following formula.
[(Body weight after 25 days-weight at the start of the test) / food amount] × 100 (%)
図４，５より、実施例５〜８のすべてにおいて対照区よりも体重が増加し、飼料効率が高まっていることが分かった。 4 and 5, it was found that in all of Examples 5 to 8, the body weight increased compared to the control group, and the feed efficiency increased.
（糞中水分含量低減効果試験）
投与期間中の糞をすべて採取し、糞中水分含量を測定した。試験結果を図６に示す。
(Food water content reduction effect test)
All feces during the administration period were collected and the water content in the feces was measured. The test results are shown in FIG.
図６より、実施例５〜８のすべてにおいて対照区よりも糞中水分含量が低減していることが分かった。 From FIG. 6, it was found that in all of Examples 5 to 8, the water content in feces was reduced as compared with the control group.
〔低配合率及び高配合率でナタネ油廃白土を含有する家畜用飼料組成物の糞臭抑制、成長促進及び糞中水分含量低減効果〕
低配合率及び高配合率でナタネ油廃白土を含有する家畜用飼料組成物について、以下の方法により、糞臭抑制、成長促進及び糞中水分含量低減効果の試験を行った。
[Suppression of feces odor, promotion of growth and reduction of water content in feces of animal feed composition containing rapeseed oil waste clay at low and high blending rates]
About the feed composition for livestock which contains rapeseed oil waste clay with the low compounding ratio and the high compounding ratio, the test of the feces smell suppression, the growth promotion, and the water content reduction in feces was performed by the following methods.
（家畜用飼料組成物の製造例３）
油脂精製工程で使用後、未処理のナタネ油廃白土を表１に示す組成の基本飼料（但し、植物油は市販大豆油に代えて市販キャノーラサラダ油を用いた）１００に対し、０．５，２０（質量比）となるように添加して実施例９〜１０の家畜用飼料組成物を得た（但し、実施例１０は参考例である）。ナタネ油廃白土の脂質含量は３４．０％であった。なお、油脂精製工程で用いた白土は水澤化学工業社製を使用した。
(Production Example 3 of Livestock Feed Composition)
After use in the oil refining process, the untreated rapeseed oil waste clay is 0.5,20 relative to the basic feed 100 having the composition shown in Table 1 (however, vegetable oil is replaced with commercially available soybean oil instead of commercially available soybean oil). (Mass ratio) was added, and the livestock feed composition of Examples 9-10 was obtained (however, Example 10 is a reference example) . The lipid content of the rapeseed oil waste clay was 34.0%. In addition, the white clay used in the oil refining process was manufactured by Mizusawa Chemical.
（試験方法）
供試鶏数：２６羽
（対照区：１０羽、実施例９〜１０：各８羽）
平均初期体重：約５９．３ｇ
投与期間：７週間
給餌方法：自由給餌、自由飲水
(Test method)
Number of test chickens: 26 (Control: 10, Examples 9-10: 8 each)
Average initial weight: about 59.3 g
Administration period: 7 weeks Feeding method: Free feeding, free drinking
対照区としては上記基本飼料のみからなる家畜用飼料組成物を用いた。 As a control group, a feed composition for livestock consisting of only the above basic feed was used.
（糞臭抑制効果試験）
飼育４５〜４９日目の糞をすべて採取し、（文献：日本畜産学会報，７３ (４)， ｐ．５０３−５０８, ２００２）に記載の方法を用いてアンモニア揮散量を測定した。試験結果を図７に示す。
(Food odor suppression effect test)
All feces on the 45th to 49th day of breeding were collected, and the ammonia volatilization amount was measured using the method described in (Reference: Japanese Society of Animal Science, 73 (4), p. 503-508, 2002). The test results are shown in FIG.
図７より、実施例９，１０において対照区よりもアンモニア揮散量が抑制されていることが分かった。 From FIG. 7, it was found that in Examples 9 and 10, the ammonia volatilization amount was suppressed as compared with the control group.
（成長促進効果試験）
７週間飼育後の体重を比較した。試験結果を図８に示す。
(Growth promotion effect test)
The body weight after 7 weeks of breeding was compared. The test results are shown in FIG.
図８より、実施例９において対照区よりも体重が増加していることが分かった。 From FIG. 8, it was found that the body weight increased in Example 9 as compared with the control group.
（糞中水分含量低減効果試験）
飼育３９〜４３日目の糞をすべて採取し、糞中水分含量を測定した。試験結果を図９に示す。
(Food water content reduction effect test)
All feces on breeding days 39 to 43 were collected and the water content in the feces was measured. The test results are shown in FIG.
図９より、実施例９，１０において対照区よりも糞中水分含量が低減していることが分かった。 From FIG. 9, it was found that the water content in feces was lower in Examples 9 and 10 than in the control group.
Claims (4)
The livestock feed composition according to any one of claims 1 to 3, wherein the waste white clay is contained in an amount of 0.5 to 2.5 mass%.
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