INFLUENCE OF FEEDING WITH VELVET PRESSCAKE ON MARALS ’ BLOOD COMPOSITION AND VELVET YIELD
https://doi.org/10.26898/0370-8799-2018-1-9
Abstract
Results are given from study of efficacy of velvet presscake including into marals’ feeding. Forty five stags at the age of 7 to 10 were divided into three groups of 15 animals each. Live body weight was of 211.3 ± 7.4 kg (control group), 204.6 ± 7.9 kg (test group I) and 207.9 ± 10.9 kg (test group II) and velvet yield was of 7.0 ± 0.45 kg, 7.0 ± 0.62 and 6,9 ± 0.69 kg, respectively. Each test group was isolated for 40 days. Daily diet was comprised of hay – 1.5 kg, silage – 18 kg, oats – 2.5 kg and soybean meal – 0.5 kg. Total food value was of 7.7 fodder units. Velvet presscake dose of 25 g and 50 g per head was added to test groups’ diet with concentrated feedstuff. At the beginning all groups under study did not show any great differences of morph-biochemical blood composition. During experiment the marals of test groups demonstrated moderate increasing in red blood cell count, hemoglobin, total blood lipids, triglycerides, ethers and cholesterol compared to control one. Blood glucose level was not changed. At the end of experiment all animals had a higher level of alkali reserve, calcium and phosphorus. There was reported that low doses of velvet presscake stimulated protein and lipid metabolism. Within first ten days, 43.3 % stags of test group I (velvet presscake dose of 25 g) lost their antler crowns; for test group II (velvet presscake dose of 50 g) and control one the value was of 26.7 %. Average daily gain of live body weight in test group I exceeded the control group by 19.2 %. A higher dose of velvet presscake (50 g) reduced average daily gain by 5.6 % against the control group. Thus, velvet presscake feedstuff dose of 25 g per head increases velvet yield by 13.2 %. Raising the dose up to 50 g per head depresses metabolism processes and reduces animals’ productivity.
Keywords
About the Author
V. G. Lunitsyn
FSBSI (Federal State Funded Research Institution)
FASCA (Federal Altay Scientific Center of Agro-Biotechnology)
Russian Federation
Russian Federation
Doctor in Veterinary, Deputy Director for Science
35 Nauchny Gorodok, Barnaul, 656010, Russia; tel. (3852) 49-68-47
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Review
For citations:
Lunitsyn V.G. INFLUENCE OF FEEDING WITH VELVET PRESSCAKE ON MARALS ’ BLOOD COMPOSITION AND VELVET YIELD. Siberian Herald of Agricultural Science. 2018;48(1):65-72. (In Russ.) https://doi.org/10.26898/0370-8799-2018-1-9
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