Blood chemistry, thyroid hormones, and insulin serum content in bulls fed a ration limited in energy

Authors : Adam OLER, Beata GLOWINSKA

Pages : 194-199

Doi:10.3906/vet-1202-35

View : 12 | Download : 8

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The aim of this study was to determine blood biochemical profile and selected hormone concentrations in bulls fed a diet limited in energy content. Bulls in the experimental group insert ignore into journalissuearticles values(I); over the 63 days prior to slaughter were provided with ration energy limited to 80% of the maintenance requirement. Animals in the control group insert ignore into journalissuearticles values(II); received a balanced ration. Blood samples from all of the animals were collected 3 times insert ignore into journalissuearticles values(A, B, C);. The decrease in the ration energy level did not have a significant effect on the concentrations of glucose, total protein, total cholesterol, high-density lipoproteins, triglycerides, and the activity of aminotransferase aspartate and aminotransferase alanine. Varied nutrition resulted in an increase in the content of albumins and urea insert ignore into journalissuearticles values(P < 0.01); in experimental group blood serum. The study did not show any significant changes in the insulin and thyroxine concentrations for the last blood collection date; however, a decrease in the triiodothyronine concentration was found insert ignore into journalissuearticles values(P < 0.05);.
Keywords : Key words Bull, blood, biochemical profile, thyroid hormone, insulin, energy