Herbs and Botanicals as Feed Additives in Monogastric Animals
نویسندگان
چکیده
منابع مشابه
The use of antibiotics as feed additives for farm animals.
Antibiotics are added at low concentrations to feeds as growth stimulants and at therapeutic levels to cure known diseases. As their action in both instances is to modify bacterial, protozoal or fungal populations, the division between the two categories is indistinct ; this is especially so when intermediate levels are considered. The present outline of use includes other feed additives which ...
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Bacterial proteins represent a potential future nutrient source for monogastric animal production because they can be grown rapidly on substrates with minimum dependence on soil, water, and climate conditions. This review summarises the current knowledge on methane-utilising bacteria as feed ingredients for animals. We present results from earlier work and recent findings concerning bacterial p...
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The variables influencing laccase production by white-rot fungus Ganoderma sp. rckk-02 were optimized employing response surface methodology. Malt extract (6.0% w/v), lignin (0.5% w/v) and pH (5.5) were found to be the most significant factors for enhanced laccase production by 7 fold (226.0 U/ml) as compared to unoptimized growth conditions (32.0 U/ml). The N-terminal sequence of laccase revea...
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For many decades antibiotics (so called growth promoters) have been used as feed additives in various species of farm animals, to reduce the frequency of diarrhoea under certain conditions. Furthermore, in most cases performance parameters like body weight gain or feed conversion ratio improves to up to 5%. These beneficial effects of feed antibiotics are generally explained by modifications of...
متن کاملFeed additives.
Feed additives used to supplement dairy rations can increase daily feed cost from 2 to 65 per animal. The economic response (benefit to cost ratio) varies from $2.00 to $12.00 for each dollar invested in a specific additive. Knowledgeable dairy veterinarians must understand the role of each additive, when it will be beneficial, inclusion level, strategies and limitations associated with an addi...
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ژورنال
عنوان ژورنال: Asian-Australasian Journal of Animal Sciences
سال: 2003
ISSN: 1011-2367,1976-5517
DOI: 10.5713/ajas.2003.282