分级添加牛磺酸饲粮对肉仔鸡免疫反应和骨标记酶活性的影响

Ogunbode S. Modupe, Bello R. Adijat, A. Salau
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引用次数: 1

摘要

牛磺酸是一种衍生氨基酸,已被证明在增强肉鸡骨骼强度和免疫活性方面具有重要的生物学作用。本研究旨在研究饲粮中添加不同浓度的分级牛磺酸对禽类新城疫病毒(NCDV)和传染性法氏囊病病毒(IBDV)免疫应答的影响,以及对骨代谢酶标记物和矿物质组成的影响。试验选用300只无性别日龄乔木亩肉仔鸡。试验采用完全随机设计,随机分为5个饲粮处理,每6个重复,每个重复10只鸡。治疗1 (T1)为对照组,添加0%牛磺酸。处理2、3、4和5分别添加0.002、0.004、0.006和0.008%的牛磺酸。按照标准程序测定NCDV和IBDV抗体滴度。研究持续了42天。0.002%牛磺酸组对NCDV的抗体滴度最高(128.38),而0.006%牛磺酸组对IBDV的抗体滴度也显著(p<0.05)(1029)。饲粮中添加0.004和0.002%牛磺酸组第42天血清碱性磷酸酶和骨特异性碱性磷酸酶分别为132.74和150.66 (p<0.05)。血清抗酒石酸酸性磷酸酶活性(44.94)以0.008%牛磺酸组最高(p<0.05)。骨矿物质含量表明,添加0.002%牛磺酸的饲粮中磷(9.50)、钙(32.18)和磷酸盐(21.77)组成比例最高(p<0.05)。总之,牛磺酸作为膳食补充剂已被证明不仅可以增强鸟类对NCDV和IBDV的免疫力,而且还可以提高肉禽的骨矿物质组成。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Immune Response and Bone Marker Enzyme Activities of Broiler Birds Fed Graded Level Taurine-Supplemented-Diets
Abstract Taurine, a derived amino acid has been proven to play an important biological roles in enhancing bone strength and immune activities of broiler birds. This research investigated the effect of the different concentrations of graded level dietary taurine supplement on immune response of birds against Newcastle Disease Virus (NCDV) and Infectious Bursal Disease Virus (IBDV), as well as on enzymatic markers of bone metabolism and effect on mineral composition. A total of 300 unsexed day-old arbor acre broiler birds were used for this research. The birds were randomly distributed using a completely randomized design into five dietary treatment of six replicates with 10 birds per replicate. Treatment one (T1) served as the control group with 0% taurine supplement. Treatments 2, 3, 4, and 5 contained dietary taurine supplements at 0.002, 0.004, 0.006, and 0.008%. Antibody titre against NCDV and IBDV were determined according to standard procedures. The study lasted 42 days. Birds on 0.002% taurine had the highest antibody titre (128.38) against NCDV, while birds on the 0.006% taurine-supplemented-diet also portrayed a distinct (p<0.05) titre value (1029) against IBDV. Serum alkaline phosphatase and bone specific alkaline phosphatase (132.74 and 150.66) at the 42nd day were highest (p<0.05) for birds on 0.004 and 0.002% dietary taurine supplement respectively. The activity of serum tartrate resistant acid phosphatase (44.94) was notably highest (p<0.05) for birds on 0.008% taurine. Bone mineral contents showed that birds fed with 0.002% taurinesupplemented- diet had the highest percentage (p<0.05) of phosphorous (9.50), calcium (32.18) and phosphate (21.77) composition. Conclusively, inclusion of taurine as dietary supplement has proven useful not only in enhancing the birds’ immunity against NCDV an IBDV, but also in boosting bone mineral composition of meat type poultry birds.
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