Vol. 9, Issue 3 (2020)

Author(s):
Dr. A Rajadurai, Dr. M Sameer Ali, Dr. K Rajamanickam and Dr. N Kumeravelu

Abstract:
All the dairy farmers have knowledge about awareness about heat signs and practicing artificial insemination. Average number of inseminations/ conception was 2.57. Length of oestrous cycle was 21.50 days and duration of oestrous was 16.20 hours. Service, dry period and calving interval were 3.8, 3.9 and 14.5 months respectively. 60.5 per cent of dairy farmers following pregnancy diagnosis and the mean were 3.20 months. Majority (54.1 per cent) of dairy farmers expressed repeat breeding as a common problem.