肉鸡猝死综合症（Sudden Death Sundrome， SDS）是肉鸡的一种常见疾病，又称急性死亡综合症、急性心脏病等，即肉鸡在没有任何外部症状的情况下突然死亡。本病主要发生于体况良好的雄性肉鸡，约占发病总数的80%。随着养禽业的迅速发展...肉鸡猝死综合症（Sudden Death Sundrome， SDS）是肉鸡的一种常见疾病，又称急性死亡综合症、急性心脏病等，即肉鸡在没有任何外部症状的情况下突然死亡。本病主要发生于体况良好的雄性肉鸡，约占发病总数的80%。随着养禽业的迅速发展，目前饲养规模及饲养量普遍较大，肉鸡新品种逐渐趋向于高度发育型，生长迅速，导致该病更加突出。虽然本病死亡率相对较低，其所造成的死亡数约占总死亡数的0.5%-5%之间，最高可达15%，该病对肉鸡饲养业的威胁逐渐突出，引起人们广泛关注。展开更多
An increasing number of consumers demanding health foods have favoured poultry meat from natural production system. Amino acid and mineral elements are essential nutrient, required for numerous metabolic functions, wh...An increasing number of consumers demanding health foods have favoured poultry meat from natural production system. Amino acid and mineral elements are essential nutrient, required for numerous metabolic functions, which are provided partly by the poultry. The objective of this study was to evaluate amino acid and mineral composition in meat of free-range broilers fed on grasshoppers on alpine rangeland in the Tibetan Plateau. Eighty, 28-day-old Qinjiaoma male broilers were introduced into a rangeland where there was a dense population of grasshoppers （treatment GC）. Control chicken were reared under intensive condition and given a maize-soybean diet （treatment CC）. At 91 days of age, 24 birds from each treatment were slaughtered. Fresh breast meats were packaged and refrigerated for determination. The results indicated that dietary grasshoppers and rearing condition significantly （P 〈 0.05） affected some amino acid and mineral elements composition. Aspartic, arginine, threonine, isoleucine and lysine were higher in the muscles from GC than those from CC, and the similar trend were also found in the content of total amino acid and essential amino acid. While tryptophan and methionine were lower （P 〈 0.05） in meat from GC than that from CC. Effect of diets and rearing condition on mineral elements was also observed, the concentration of sodium, phosphorus and iron were higher （P 〈 0.05） in muscle from GC, while calcium was higher in muscle from CC. In conclusion, the meat in free-range broilers fed on grasshoppers has the richer amino acid and mineral elements.展开更多
文摘肉鸡猝死综合症（Sudden Death Sundrome， SDS）是肉鸡的一种常见疾病，又称急性死亡综合症、急性心脏病等，即肉鸡在没有任何外部症状的情况下突然死亡。本病主要发生于体况良好的雄性肉鸡，约占发病总数的80%。随着养禽业的迅速发展，目前饲养规模及饲养量普遍较大，肉鸡新品种逐渐趋向于高度发育型，生长迅速，导致该病更加突出。虽然本病死亡率相对较低，其所造成的死亡数约占总死亡数的0.5%-5%之间，最高可达15%，该病对肉鸡饲养业的威胁逐渐突出，引起人们广泛关注。
文摘An increasing number of consumers demanding health foods have favoured poultry meat from natural production system. Amino acid and mineral elements are essential nutrient, required for numerous metabolic functions, which are provided partly by the poultry. The objective of this study was to evaluate amino acid and mineral composition in meat of free-range broilers fed on grasshoppers on alpine rangeland in the Tibetan Plateau. Eighty, 28-day-old Qinjiaoma male broilers were introduced into a rangeland where there was a dense population of grasshoppers （treatment GC）. Control chicken were reared under intensive condition and given a maize-soybean diet （treatment CC）. At 91 days of age, 24 birds from each treatment were slaughtered. Fresh breast meats were packaged and refrigerated for determination. The results indicated that dietary grasshoppers and rearing condition significantly （P 〈 0.05） affected some amino acid and mineral elements composition. Aspartic, arginine, threonine, isoleucine and lysine were higher in the muscles from GC than those from CC, and the similar trend were also found in the content of total amino acid and essential amino acid. While tryptophan and methionine were lower （P 〈 0.05） in meat from GC than that from CC. Effect of diets and rearing condition on mineral elements was also observed, the concentration of sodium, phosphorus and iron were higher （P 〈 0.05） in muscle from GC, while calcium was higher in muscle from CC. In conclusion, the meat in free-range broilers fed on grasshoppers has the richer amino acid and mineral elements.
