Seasonal effect on physiological, reproductive and fertility profiles in breeding mithun bulls
Journal Title: Asian Pacific Journal of Reproduction - Year 2017, Vol 6, Issue 6
Abstract
Objective: To analyse the seasonal effect on physiological parameters, reproductive profiles and in vitro fertility in breeding mithun bulls. Methods: A total of ten adult mithun bulls age of 5 to 6 years old with good body condition (score 5-6) were selected from ICAR-NRC on Mithun, Jharnapani, Nagaland, India. The seasons were categorised into winter, spring, summer and autumn seasons based on the meteorological data and sunshine hours. The physiological parameters, reproductive profiles and in vitro fertility parameters were assessed during different seasons in mithun under the semi-intensive system of management. Results: The statistical analysis revealed that these experimental parameters were differed significantly (P<0.05) among the seasons and in overall spring and winter seasons were more beneficial in mithun breeding programme, although, the breeding in mithun occurred throughout the year with variation. Conclusions: It is concluded that collection & preservation of mithun semen and artificial insemination in mithun species during the season of spring and winter has significant beneficial effect in terms of semen production, freezability and fertility for artificial breeding programme in mithun under the semi-intensive system.
Authors and Affiliations
Perumal P, Savino N, Sangma CTR, Khan MH, Ezung E, Chang S, Sangtam TZT
Keywords
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- EP ID EP245113
- DOI 10.4103/2305-0500.217342
- Views 178
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