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- Title
COMPARATIVE STUDY FOR SEMEN QUALITY TRAITS AND FERTILIZING ABILITY FOR SUDANI DRAKES FED DIFFERENT ENERGY AND PROTEIN DIETS.
- Authors
Ghonim, A.I.A.; Awad, A. L.; Elkloub, Kout; Moustafa, M.El.; Nehad, A. Ramadan
- Abstract
This study was conducted to investigate the effects of different dietary metabolizable energy (ME) and crud e protein (CP) levels on semen quality traits , some seminal and blood plasm a constituents as well as fertilizing ability of Sudani drakes. A total number of 54 Sudani d rakes 32 - wks - old, at the same time, 189 Sudani ducks were taken for detecting the fertilizing ability of drakes and then hatchability (%). All birds from drakes and ducks were weighed and divided into nine experimental groups of three replicates each, in a factorial arrangement design (3 x3) . The dietary treatments were 2750 (low), 285 0 (medium) and 2950 (high) ME kcal /kg, each contained 15 (low), 17 (medium) and 19% CP ( high) levels . The results indicate that Sudani drakes fed the high level of both ME and CP had significantly higher ejaculate volum e and sperm concentration . Also, advanced motility of sperm s was significantly improved for drakes fed high - ME diet , while , dead, coiled, clumping and coiled /total abnormal sperms were significantly decreased than those fed low - ME diet . The total abnormal sperms was significantly decreased by increasing CP level in the diet only . Seminal plasma acid phosphatase activity and total lipids content were significantly higher for drakes fed high - ME diet than those fed low - ME diet. On the other hand, feeding high - CP diet resulted in a significant decrease of seminal plasma albumin concentration , ALT and AST enzymes activity than those fed medium - CP diet, while acid phosphatase activity was insignificantly decreased . Blood plasma acid phosphatase , ALT and AST enzymes activity were significantly (P≤ 0.05 ) increased, whereas, total lipids and cholesterol were insignificantly decreased for drakes fed high - ME diet comparing to those fed low - ME diet. Also, Blood plasma content of globulin and total cholesterol w ere significantly (P≤ 0.05 ) decreased, while acid phosphatase activity was significantly (P≤ 0.05 ) increased for drakes fed high - CP diet than those fed low - CP diet . Fertility and hatchability percentage s were improved by increasing both ME and CP level in the diet without significant effect , the best values of them were occurred by the interaction of high - ME with high or medium - CP in the diet . These results indicate that a diet containing 2950 Kcal ME/kg with 17 or 19% CP could be used to improve the semen quality traits and fertilizing ability for Sudani drakes without adverse effect on fertility and hatchability traits for hatching eggs .
- Publication
Egyptian Poultry Science Journal, 2015, Vol 35, Issue 2, p455
- ISSN
2090-0570
- Publication type
Academic Journal