CONTENT OF GLYCOGEN IN LIVER AND KETON BODIES IN BLOOD OF MUSCOVY DUCKS DURING STARVING ENVISAGED IN THE METHODS FOR BALANCED EXPERIMENTS
2006
Dimo PENKOV | Petar BAZALOV | Hristo HRISTEV
The biochemical indexes “glycogen in liver” and “ketones in blood” of 0-108 hours feed deprived (according to methods for balanced experiments) 22-24 weeks old Muscovy ducklings with and without energy additives were determined. There were 3 groups of ducks- 1-st without energy supplement, 2-nd- fed with 50 g. glucose per os (as 25% solution) – twice in 24 hours, 3-rd with the same amount of glucose solution, but 3 times/24 hours. The levels of liver glycogen in all the food-deprived ducks were signifi cantly lower (3930- 9910 mg/kg) compared to the levels of the same index in fed birds (10540 mg/kg tissue). In the birds receiving energy additive they were higher compared to those deprived of the additive throughout the experimental period. The content of ketones in blood increased in the ducks starving (from 0.0095 to 0.018 mmol/l) and deprived of energy additive as early as the 24th hour, after which they decreased signifi cantly. The energy additive (30g glucose/24 hours) helped the maintenance of the energy metabolism during continuous food depriving of the experimental ducks. Three-time daily allowance of the additive adapted better the bird organism to starvation.
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