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Seasonal effect on physiological, reproductive and fertility profiles in breeding mithun bulls 被引量:1
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作者 Perumal P Savino N +4 位作者 Sangma CTR Khan MH Ezung E Chang S Sangtam TZT 《Asian pacific Journal of Reproduction》 2017年第6期268-278,共11页
Objective:To analyse the seasonal effect on physiological parameters, reproductive profiles andin vitro fertility in breeding mithun bulls.Methods: A total of ten adult mithun bulls age of 5 to 6 years old with good b... Objective:To analyse the seasonal effect on physiological parameters, reproductive profiles andin 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 andin 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. 展开更多
关键词 MITHUN Seasonal effect PHYSIOLOGICAL PARAMETERS REPRODUCTIVE and FERTILITY PARAMETERS
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