منابع مشابه
Garlic: An Alternative to Antibiotics in Poultry Production, A Review
In last decade, the uncontrolled use of antibiotics as growth promoter for livestock has led to the appearance of antibiotic-resistant pathogens and increased risk of infectious diseases. This situation has triggered intensive research efforts to find safe alternative strategies. Certainly, the plants and vegetables and their derivatives as natural safe substances could be good candidates in th...
متن کاملSelenium in poultry nutrition: a review
Selenium has been known for two centuries and its biological activities have been studied for nearly a hundred years, however the problem of Se deficit has still been persisting both in humans and animals. The cause of Se deficit in animals may be low Se level in soil. This mainly applies to cattle and sheep with their direct link to soil via roughage. The risk of Se deficit in pigs and poultry...
متن کاملMetal Toxicosis in Poultry – a Review
At high levels all mineral elements can produce adverse effects in animals. Thus, the essential minerals must be provided in the diet at concentrations sufficient optimum response and the dietary intake of other minerals must be low enough to provide complete safety for both the animals and also the human population which will consume the meat and eggs. Dietary maximum tolerable levels have bee...
متن کاملWelfare of poultry during transport – a review
Poultry are exposed to a number of concurrent stressors during transportation. It is proposed that thermal challenges (both elevated thermal loads and cold stress) constitute the main threat to the birds’ welfare and survival. The effects of thermal stress may be exacerbated by extended withdrawal of food or water and by exposure to vibrations and accelerations. Existing pathologies and injurie...
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ژورنال
عنوان ژورنال: Journal of Applied Poultry Research
سال: 2012
ISSN: 1056-6171
DOI: 10.3382/japr.2012-00557