Metabolic dynamics of native lambs fed with Tifton 85 hay or Manicoba hay associated with the spineless cactus

被引：4
作者：
Soares, P. C. [1 ]
Gouveia, L. N. F. [2 ]
Silva, T. G. P. [1 ]
Fiho, E. F. O. [1 ]
Carvalho, F. F. R. [1 ]
Batista, A. M., V [1 ]
Lima Junior, D. M. [2 ]
Cardoso, D. B. [1 ]
机构：
[1] Univ Fed Rural Pernambuco, Recife, PE, Brazil
[2] Univ Fed Alagoas, Arapiraca, AL, Brazil
来源：
ARQUIVO BRASILEIRO DE MEDICINA VETERINARIA E ZOOTECNIA | 2020年 / 72卷 / 01期
关键词：
blood biomarkers; clinical biochemistry; metabolism; native breeds; nutrition; small ruminants; DIETS; INCLUSION; FIBER;
D O I：
10.1590/1678-4162-11399
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
The objective of this study was to evaluate the metabolic response of native lambs fed Tifton 85 hay (Cynodon dactylon) or Manicoba hay (Manihot pseudoglaziovii) associated with spineless cactus (Nopalea cochenillifera Salm Dyck). Sixteen Morada Nova lambs were used, with a mean initial weight of 19.36 +/- 1.48kg, distributed in a randomized block design, with two treatments and eight replications. Dry matter intake was higher for lambs fed Manicoba hay compared to Tifton hay, while the body weight at slaughter was not influenced by diets. Regarding the blood metabolites, only the serum concentration of urea was influenced, with higher value observed in the lambs that fed the diet containing Tifton hay. When analyzing blood biomarkers, in the different biweekly collections, a linear increase in the blood concentration of urea, glucose, fructosamine, alkaline phosphatase and sodium was observed, as well as a quadratic effect for serum potassium. The other blood metabolites were not influenced in function of the collection days. The replacement of Tifton 85 hay for Manicoba hay does not cause negative changes in the dynamics of different biomarkers and presents itself as a promising forage resource.
引用
收藏
页码：215 / 223
页数：9
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