EFFECT OF OVSYNCH PROTOCOL ON ESTRUS SYNCHRONIZATION AND PREGNANCY RATE IN CROSSBRED COWS UNDER FIELD CONDITIONS
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Date
2012
Authors
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Publisher
AAU, Anand
Abstract
Dairy farming is one of the most important agricultural activities in India. The
country has now become the largest milk producer in the world, with an estimated milk
production of about 121.8 million metric tonnes (NDDB - India, 2011). The profitable
dairy farming is predominantly based on two major inter-related factors, viz., nutrition
and reproduction. For economic dairy farming, exotic and indigenous dairy cows must
calve regularly at every 12 to 13 months interval. Any deviation or prolongation in
breeding rhythm results in progressive economic loss due to extension of open days,
reduced calvings and lactations during the life span of animal. The veterinarian plays
important role in the modern dairy husbandry by assisting the farmer in reproductive
management of dairy animals. The veterinarian aims at maintaining the inter-calving
period as short as possible, to maintain the economics of dairy industry. The assessment
of reproductive performance is dependent on fertility of the animal. An early diagnosis of
pregnancy is essential for reproductive management as well as economic production. The
accurate record of reproductive status of each animal is an essential pre-requisite for
periodic gynaeco-clinical diagnostic procedures, timely presentation, detection and
correction of impaired fertility in the herd.
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Keywords
veterinary science, animal reproduction, study