This study was conducted to explore the effects of fermented feed on growth performance,slaughter performance,meat quality and serum immune indexes of Hu sheep.Forty healthy male Hu sheep lambs,aged 3 months and weighing about 30 kg,were selected in a completely randomized design with 2 replicates in each group and 10 lambs in each replicate.The experimental group was fed with basal diet supplemented with 10％fermented feed,while the control group was fed with basal diet.There was a 7-day pre-test period and a 90-day test period.The results showed that comoared with the control group,the final body weight,average daily gain of Hu sheep increased by 4.13％,11.14％and the feed/body weight ratio decreased by 8.51％,respectively;The live weight before slaughter,carcass weight,net meat weight,dressing percentage and net meat percentage increased 4.36％,12.77％,18.23％,8.10％and 4.97％respectively;The shear force decreased by 17.72％,and the intramuscular fat content increased by 26.35％;Serum IgG and IL-4 levels increased by 8.87％and 16.06％respectively,and TNF-α level decreased by 9.64％.In summary,under the conditions of this experiment,adding 10％fermented feed to the basic diet can significantly increase the daily gain,reduce the feed/body weight ratio,improve the immune level and anti-inflammatory ability,and improve the meat quality of Hu sheep.
关键词
发酵饲料/湖羊/生长性能/屠宰性能/肉品质/血清免疫指标
Key words
fermented feed/Hu sheep/growth performance/slaughter performance/meat quality/serum immune index
维普
万方数据