ЕФЕКТ НА XTRACT ВЪРХУ МЕМБРАННОТО СМИЛАНЕ НА ХРАНИТЕЛНИТЕ ВЕЩЕСТВА В ТЪНКОТО ЧЕРВО НА КОКОШКИ НОСАЧКИ

ДИМИТЪР ЧОТИНСКИ, ЕМА ТОНЧЕВА, МАЯ ИГНАТОВА

Резюме: The experiment was carried out wit h 320 laying hens from Hy Line breed, divided into two groups : control group and experimental group. The laying hens the 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 in significantly 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 the blood plasma and decreased not significantly alkaline phosphatase, lipase and alanine aminotransferase activities in the blood plasma of laying hens. Supplementation of XTRACT the diet did not cause considerable changes 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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Дата на публикуване: 2023-03-08