论文部分内容阅读
为了研究不同饲养方式对松辽黑猪生长性能、血液生化指标及肠道消化酶活性的影响,试验选择25 kg左右的松辽黑猪60头,随机分为2组,分别采用舍饲和放牧的方式进行生长育肥试验,在体重达到100 kg时屠宰取样测定。结果表明:放牧组松辽黑猪日增重、料重比显著低于舍饲组(P<0.05);放牧组血清中除三酰甘油含量显著低于舍饲组(P<0.05)外,总蛋白、白蛋白、球蛋白、胆固醇、葡萄糖、谷草转氨酶、尿素氮的含量均差异不显著(P>0.05);放牧组松辽黑猪肝脏的消化酶活性显著高于舍饲组(P<0.05),而小肠食糜消化酶活性差异不显著(P>0.05)。说明放牧饲养可达到节粮的目的,缓解人畜争粮的紧张现状,从而提高经济效益。
In order to study the effects of different feeding ways on growth performance, blood biochemical indexes and intestinal digestive enzyme activity in Songliao black pig, 60 Songliao black pigs (25 kg) were selected and randomly divided into 2 groups, Way fattening growth test, when the weight of 100 kg slaughter sampling determination. The results showed that daily gain and feed-weight ratio of grazing group were significantly lower than that of feeding group (P <0.05), while serum triglyceride content of grazing group was significantly lower than that of feeding group (P <0.05) The content of total protein, albumin, globulin, cholesterol, glucose, aspartate aminotransferase and urea nitrogen had no significant difference (P> 0.05). The activity of digestive enzymes in liver of grazing group was significantly higher than that of feeding group (P < 0.05), while there was no significant difference in intestinal digestive enzyme activity (P> 0.05). This shows that the grazing and feeding can achieve the purpose of saving grain and alleviating the tense situation of grain and food for humans and animals so as to increase economic benefits.