Effects of quercetagetin on slaughter performance,organ index,meat quality,and meat nutrition composition of Ira rabbits
The study aimed to investigate the impact of different levels of quercetagetin on the slaughter performance,organ index,meat quality,and meat nutrient composition in Ira rabbits.A total of 200 healthy rabbits,with an initial weight of(1 184.75±181.44)g at 35 days old,were randomly divided into five groups,with eight replicates in each group and five rabbits in each replicate.The control group was fed a basic diet,while the experimental groups were fed diets supplemented with 5,25,50,and 75 mg/kg of QG,respectively.The pre-trial period lasted for five days,and the formal experimental period lasted for 28 days.The results showed that there was no significant difference in the final weight of rabbits among the experimental groups compared to the control group(P＞0.05).Compared with the control group,there was a tendency to increase the half-eviscerated yield rate in the 50 mg/kg QG group(P＞0.05),and there was no differences on other indices of slaughter performance among the experimental groups(P＞0.05).Compared with the control group,the addition of 75 mg/kg QG increased the spleen index of rabbits(P＜0.05),and different doses of QG increased the kidney and thymus indices(P＜0.05).Adding 75 mg/kg QG reduced steaming loss compared to the control group(P＜0.05).Adding 25,50,and 75 mg/kg QG increased the crude fat content in the back longissimus muscle of the rabbits(P＜0.05).The study indicates that the inclusion of QG in the diet promotes organ development,improves meat quality,and increases the crude fat content in rabbit meat.The suitable addition level of QG in the rabbit diet is 50～75 mg/kg.
万方数据
维普
