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RISS 인기검색어
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- 저자 : Eida, T. (검색결과 2 건)
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EFFECTS OF FRUCTO-OLIGOSACCHARIDES ON MILK-YIELD AND MILK-COMPONENTS OF DAIRY COWS
Kobayashi, S.,Eida, T. Asian Australasian Association of Animal Productio 1990 Animal Bioscience Vol.3 No.1
Fructo-oligosaccharides are found in many plants, such as onion, burdock and wheat. They are not well hydrolyzed by digestive enzymes in animals, but are peculiarly assimilated by Bifidobacterium and some useful bacteria. In our previous experiment (Kobayashi et al., 1987) it was suggested that they were effective in decreasing energy loss in the metabolism of dairy calves. In the present study, the effects of fructo-oligosaccharides on body weight, milk-yield and milk-components (fat, protein and solids-not-fat) were investigated in dairy cows. Lactating cows were fed a standard diet containing fructoligo saccharides at 18.70g, 9.35g and 0.0g (control) per 100kg body weight, day for three weeks. Neither treatments significantly affected any of the parameters examined. The fructo-oligosaccharides were assumed to be hydrolyzed by rumen microorganisms and hardly to affect the bacterium florae in the intestines of the lactating cows.
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Amin Muhammad,Yousuf Masarrat,Ahmad Naveed,Attaullah Mohammad,Ikram Muhammad,Zaid Attia A. Abou,Yaro Clement Ameh,Alshammari Eida M.,Binnaser Yaser S.,Batiha Gaber El-Saber,Buneri Islam Dad 한국독성학회 2022 Toxicological Research Vol.38 No.2
Organophosphates and synthetic pyrethroid insecticides have been commonly used in public health and agriculture. The present study aimed to evaluate the sub-lethal effects of organophosphates and synthetic pyrethroid insecticides on transaminases: glutamate oxaloacetate/aspartate transaminase (AST) and glutamate pyruvate/alanine transaminase (ALT) in Oreochromis niloticus. Fish were exposed to malathion (OP), chlorpyrifos (OP) and λ-cyhalothrin (synthetic pyrethroid) at sublethal concentrations of 1.425, 0.125 and 0.0039 ppm, respectively for 24 and 48 h. AST and ALT activities were shown to be remarkably (p < 0.05) decreased and increased, respectively in O. niloticus treated with the insecticides. The highest and lowest inhibition in AST level were noted as -12.2% and -12.2% in chlorpyrifos and λ-cyhalothrin 24 h treated fish samples, respectively. The highest and lowest elevation in ALT level were recorded as + 313% and 237% in 48 h chlorpyrifos and 24 h malathion treated fish samples, respectively. This indicates that the insecticides used in this study did not result in death but in changes in AST and ALT enzyme activities. Therefore, organophosphates (malathion, chlorpyrifos) and synthetic pyrethroid (λ-cyhalothrin) insecticides are toxic to fishes and could affects their survival in their natural habitat.
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