SEMEN QUALITY CHARACTERISTICS OF KUTTANAD, WHITE PEKIN (Anas platyrhynchos domesticus) AND MUSCOVY (Cairina moschata momelanotus) DUCKS

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dc.contributor.advisorLeo Joseph
dc.contributor.authorSTELLA CYRIAC
dc.date.accessioned2020-07-10T06:34:22Z
dc.date.available2020-07-10T06:34:22Z
dc.date.issued2011
dc.description.abstractAn experiment was conducted to evaluate the semen quality characteristics in twenty four adult drakes of 36 weeks age, eight each from White Pekin, Kuttanad and Muscovy breeds, which were housed in individual cages without any artificial lighting. All drakes were provided with a diet containing 23 per cent Crude Protein and 2800 kcal Metabolisable Energy / kg diet and water ad libitum. Manual Massage method was used for collection of semen. The drakes were trained once a week for about three months and semen was routinely collected once a week during the experimental period. The semen was evaluated for macroscopical and microscopical parameters. Methylene Blue Reduction Time Test was conducted to estimate the metabolic activity of spermatozoa. The resistance of the spermatozoa to heat and cold shock were also examined. The semen samples were diluted in four different extenders viz. Normal Saline (NS), Phosphate Buffer Saline (PBS), Lake Poultry Semen Extender (LPSE) and Beltsville Poultry Semen Extender (BPSE) and were kept at room temperature and also at refrigeration temperature and the post dilution motility was assessed at 0, 2, 4, 8, 16 and 24 hours. There was no significant difference in the semen volume between the breeds and also between the drakes within breeds. Majority of the semen samples were white in colour in White Pekin (70.84 per cent), Kuttanad (66.67 per cent) and Muscovy (100.00 per cent). White Pekin and Kuttanad semen showed a medium thick consistency but in Muscovy the consistency was watery. The appearance score of White Pekin and Kuttanad drake semen was similar (3.29) while it was a little lower for Muscovy drake semen (2.46). Semen pH was found to be slightly alkaline in all the breeds. The important semen contaminants were faecal matter and uric acid crystals. The density of spermatozoa differed significantly between the breeds with a significantly lower value in Muscovy drakes. But, there was no significant difference in the sperm concentration between the drakes of the same breed. The percentage of live, dead, normal and abnormal sperms did not differ significantly between breeds and also between drakes of the same breed. The Methylene Blue Reduction Time was higher in Muscovy when compared toWhite Pekin and Kuttanad. But, MBRT showed no significant difference when estimated using two different extenders viz. LPSE and BPSE in White Pekin and Muscovy. The spermatozoa of the three breeds were able to withstand heat shock for ten minutes and cold shock for upto one hour. The results of post dilution motility revealed that storage of the diluted samples at refrigeration temperature prolonged the livability of spermatozoa when compared to that stored at room temperature. The diluents containing buffer and energy substrates viz. PBS, LPSE and BPSE were efficient in prolonging the motility.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810148978
dc.keywordsSEMEN QUALITY CHARACTERISTICS OF KUTTANAD, WHITE PEKIN (Anas platyrhynchos domesticus) MUSCOVY (Cairina moschata momelanotus) DUCKSen_US
dc.language.isoenen_US
dc.pages78en_US
dc.publisherCOLLEGE OF VETERINARY AND ANIMAL SCIENCES-MANNUTHY,THRISSURen_US
dc.research.problemSEMEN QUALITY CHARACTERISTICS OF KUTTANAD, WHITE PEKIN (Anas platyrhynchos domesticus) AND MUSCOVY (Cairina moschata momelanotus) DUCKSen_US
dc.subPoultry Scienceen_US
dc.subjectnullen_US
dc.themeSEMEN QUALITY CHARACTERISTICS OF KUTTANAD, WHITE PEKIN (Anas platyrhynchos domesticus) AND MUSCOVY (Cairina moschata momelanotus) DUCKSen_US
dc.these.typeM.V.Sc.en_US
dc.titleSEMEN QUALITY CHARACTERISTICS OF KUTTANAD, WHITE PEKIN (Anas platyrhynchos domesticus) AND MUSCOVY (Cairina moschata momelanotus) DUCKSen_US
dc.typeThesisen_US
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