نتایج جستجو برای: animal feeding
تعداد نتایج: 310663 فیلتر نتایج به سال:
The effectiveness of supplementation programs is affected by the ability to reduce intake variation and to meet target supplement consumption. A review was made of factors affecting variation in individual animal consumption of supplement by grazing cattle and sheep, including supplement type and feeding method, animal dominance and social interactions, and forage availability. The effects of p...
The regulation of feeding behaviour is a complex process controlled by neural circuits in the brain. In addition to neurons, genetic and pharmacological studies animal models are revealing that glia, including astrocytes, important components these circuits. This review incorporates latest evidence (published since 2019) from different brain regions for contribution astrocytes regulating contro...
The use of food waste as animal feed could contribute to a more circular and sustainable production. Feeding swill (consumption phase waste) however, is historically associated with disease transmission animals humans. aim this paper review the microbial health hazards feeding farm animals, focus on pigs poultry. First, current European legislation described. In literature 60 articles describin...
Aplysia feeding behavior is highly variable from cycle to cycle. In some cycles, when the variability causes a mismatch between the animal's movements and the requirements of the feeding task, the variability makes the behavior unsuccessful. We propose that the behavior is variable nevertheless because the variability serves a higher-order functional purpose. When the animal is faced with a new...
Precision feeding is an agricultural concept that relies on the existence of between-animal variation and involves the use of feeding techniques that allow the right amount of feed with the right composition to be provided at the right time to each pig of the herd. Precision feeding is proposed as an essential approach to improve nutrient utilization and thus reduce feeding cost and nutrient ex...
چکیده ذرت علوفه ای گیاهی است با دوره رویشی کوتاه که می توان آن را برای تغذیه دام و تولید گوشت و فرآورده های آن، به طور غیرمستقیم در غذای انسان استفاده کرد. از ذرت علوفه ای به صورت علوفه سبز و یا سیلو در غذای دام استفاده می شود. ذرت علوفه ای در شهرستان اصفهان در واحدهای زراعی با اندازه های مختلف کشت می شود. اندازه واحد زراعی از جمله عواملی است که می تواند بر بهره وری تولید ذرت علوفه ای موثر باش...
Daily food intake and corresponding feeding activity (measured as duration) and feeding efficiency (amount of food ingested per unit of feeding activity) were measured both in normal Sprague-Dawley and Buffalo rats and during growth of Walker 256 and 4M mammary carcinomas in Sprague-Dawley rats and of Morris 5123 hepatoma in Buffalo rats. Estimates of meal size and frequency were also obtained....
Cheliped loss through autotomy is a common reflexive response in decapod crustaceans. Cheliped loss has direct and indirect effects on feeding behavior which can affect population dynamics and the role of species in the community. In this study, we assessed the impact of autotomy (0, 1, or 2 cheliped loss) on feeding behavior in the crab Pachygrapsus transversus, an omnivorous and abundant spec...
Attention is drawn to several comparisons of the ARC feeding system with other systems. Recent Australian adaptations of ME standards for drought feeding of sheep and for cattle feeding are described. There is a need to adapt any feeding standards to the biology of the pastoral system. It is concluded that the Australia-wide adoption of ME based feeding standards would be helpful in promoting a...
In 1996, the Council for Agricultural Science and Technology (CAST) published a report entitled Integrated Animal Waste Management. One of the recommendations in that report was to “change animal diets to decrease nutrient outputs” (CAST 1996, 1). Since that time, concentration of animal production units has continued, public concern about the environmental effects of animal manure has increase...
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