EFFECT OF XTRACT ON MEMBRANE DIGESTION OF NUTRIENTS IN THE SMALL INTESTINE OF HENS | Ефект на XTRACT върху мембранното смилане на хранителните вещества в тънкото черво на кокошки носачки
2012
Chotinski, D., Institute of Animal Science, Kostinbrod (Bulgaria)
The experiment was carried out with 320 laying hens from Hy Line breed, divided into two groups : control group and experimental group. The laying hens in the control group received mixture without the additive and these of the experimental group the mixture with the addition of 0.02 % XTRACT. Inclusion of XTRACT in the diets showed a tendency to increase maltase and leucine aminopeptidase and insignificantly decrease of alkaline phosphatase and sucrase in the mucose of small intestine of laying hens. The addition of XTRACT in the diets considerably increased α-amylase, leucine aminopeptidase and aspartateaminotransferase activities in the blood plasma and decreased not significantly alkaline phosphatase, lipase and alanine aminotransferase activities in the blood plasma of laying hens. Supplementation of XTRACT in the diet did not cause considerable changes in the level of protein, glucose and trygliceride and showed a tendency to decrease the level of total cholesterol, HDL- cholesterol and LDL- cholesterol in the blood plasma of laying hens.
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