黄秋葵对肉兔生产性能、肉品质和血清生化指标的影响

为研究在饲料中添加不同量的黄秋葵对肉兔生产性能、脏器指数和血清生化指标的影响，试验选用35日龄健康新西兰肉兔120只，随机分成5组，每组3个重复，每个重复8只，预试期7 d，正试期28 d，试验Ⅰ、Ⅱ、Ⅲ、Ⅳ组分别在基础日粮中添加1%、2%、3%和4%黄秋葵粉。结果表明：与对照组相比，试验Ⅰ、Ⅱ、Ⅲ组滴水损失率分别降低16.83%、15.63%和20.19%，差异显著（P < 0.05）|试验Ⅱ、Ⅲ组肉兔的期末重分别增加6.91%、8.81%，平均日增重分别增加16.91%、20.61%，肉品质的红度分别升高50%、56.74%，血清总蛋白分别升高12.44%、23.69%，白蛋白分别升高9.39%、22.91%，均差异显著（P < 0.05）|与对照组相比，试验Ⅱ、Ⅲ组料重比分别下降12.57%、15.64%，肉品的黄度分别降低20.22%、27.22%，血清甘油三脂分别降低9.87%、17.11%，均差异显著（P < 0.05）|与对照组相比，试验Ⅲ组兔肉的剪切力降低16.06%，熟肉率提高12.14%，血清尿素氮下降9.50%，均差异显著（P < 0.05）|各组肉兔的平均采食量、兔肉的亮度、血清葡萄糖、总胆固醇、谷丙转氨酶、谷草转氨酶及碱性磷酸酶活性均无显著差异（P > 0.05）。因此，肉兔饲料中黄秋葵的适宜添加量为3%。 关键词] 黄秋葵|肉兔|生产性能|肉品质|血清生化指标

Effects of okra on production performance,meat qualityand serum biochemical indexes of meat rabbits

This experiment was designed to study the effects of okra on meat rabbits'production performance,meat quality and serum biochemical indexes,in order to determine the appropriate amount of addition.120 healthy New Zealand meat rabbits aged 35 days were selected and randomly divided into 5 groups with 3 repetitions each,and 8 rabbits in each repetition.The trial lasted for 35 days when the pre-test period for 7 days,the main test period was 28 days.With one group as reference,the test groupsⅠ,Ⅱ,Ⅲ,Ⅳwere added 1%,2%,3%and 4%okra powder respectively.The results showed that compared with the control group,the drip loss rate in groupsⅠ,Ⅱ,Ⅲwas reduced by 16.83%,15.63%and 20.19%(P<0.05).In the groupsⅡ,Ⅲ,the final weight of the meat rabbits was increased by 6.91%and 8.81%respectively;the average daily gain was increased by 16.91%,20.61%;the redness of meat quality was increased by 50%,56.74%;the total serum protein was increased by 12.44%,23.69%,and albumin was increased by 9.39%,22.91%respectively(P<0.05).In the groups with 2%,3%okra addition,the feed weight ratio decreased by 12.57%,15.64%,respectively;and the yellowness of meat was reduced by 20.22%and 27.22%;serum triglycerides was reduced by 9.87%and 17.11%,respectively(P<0.05).In the 3%okra group,difference was significant.The shear force of rabbit meat was reduced by 16.06%,and the cooked meat rate was increased by 12.14%.serum urea nitrogen was decreased by 9.50%(P<0.05);There was no significant effect on the average feed intake of meat rabbits,the brightness of rabbit meat,serum glucose,total cholesterol,alanine aminotransferase,aspartate aminotransferase and alkaline phosphatase activities(P>0.05).In conclusion,the appropriate amount of okra in meat rabbit feed was 3%.