Shukla Mayank, Bhattacharyya Amitav, Shukla Pankaj Kumar, Roy Debashis, Yadav Brijesh, Sirohi Rajneesh
Department of Poultry Science, College of Veterinary Science and Animal Husbandry, Mathura, Uttar Pradesh, India.
Department of Animal Nutrition, College of Veterinary Science and Animal Husbandry, Mathura, Uttar Pradesh, India.
Vet World. 2018 Apr;11(4):459-463. doi: 10.14202/vetworld.2018.459-463. Epub 2018 Apr 11.
In the recent past,few studies have been carried out in chicken to assess the effect of meal and raw feeding on the performance of chicken. If turkeys effectively use unconventional feedstuffs like without reducing the performance, it will increase the profitability of turkey business. Hence, a study was carried out to evaluate the effect of dried vis-a-vis raw as choice feeding on the growth, feed conversion ratio (FCR), blood biochemical attributes, and immune competence traits of growing turkeys under intensive system.
A total of 72, 8-week-old grower turkey poults of black variety were randomly distributed into three dietary treatments having three replicates each with eight birds. The birds of the control group (T1) were fed a basal diet (CP - 19.71% and ME - 2789.79 Kcal/kg), while the other group (T2) and choice-feeding group (T3) were fed 5% of basal diet replaced by dry powder on DM basis and along with basal diet, respectively.
There was no significant difference among the different groups in the average weekly weight gain during the entire experiment. FCR was significantly better (p<0.05) in the choice-feeding group compared to the other two experimental groups during 8-16 weeks of age. There was no significant difference among the treatment groups in any of the blood biochemical indices except plasma uric acid, which was significantly decreased (p<0.01) in T2 compared to T1 at 16 weeks of age. HA and IgM response to 1% sheep red blood cells (log2 titer) were numerically better in T2 and T3 compared to the T1.
Thus, it may be inferred that choice feeding with , and basal diet may improve FCR without any adverse effect on blood biochemical attributes and immune competence traits.
近期，针对鸡开展的研究较少，以评估日粮和生食喂养对鸡生长性能的影响。如果火鸡能有效利用非常规饲料且不降低生产性能，将提高火鸡养殖的盈利能力。因此，开展了一项研究，以评估在集约化养殖系统下，将干物质与生食作为选择喂养方式，对生长中火鸡的生长、饲料转化率（FCR）、血液生化指标和免疫能力特征的影响。
总共72只8周龄的黑色品种生长火鸡雏随机分为三种日粮处理组，每组三个重复，每个重复八只鸡。对照组（T1）的鸡饲喂基础日粮（粗蛋白-19.71%，代谢能-2789.79千卡/千克），而另一组（T2）和选择喂养组（T3）分别饲喂以干物质计替代5%基础日粮的干粉以及基础日粮。
在整个实验期间，不同组之间的平均每周体重增加没有显著差异。在8至16周龄期间，选择喂养组的饲料转化率显著优于其他两个实验组（p<0.05）。除血浆尿酸外，各处理组的任何血液生化指标均无显著差异，在16周龄时，T2组的血浆尿酸与T1组相比显著降低（p<0.01）。与T1组相比，T2组和T3组对1%绵羊红细胞的血凝素（HA）和IgM反应（log2滴度）在数值上更好。
因此，可以推断，用干粉和基础日粮进行选择喂养可能会提高饲料转化率，而对血液生化指标和免疫能力特征没有任何不利影响。
