STUDY ON PRODUCTIVE AND REPRODUCTIVE PERFORMANCES OF LOCAL AND CROSSBREED COWS IN RAMGATI UPAZILA IN LAKHIPUR

Abstract

The study was the productive and reproductive performances of indigenous and crossbreeds dairy cattle in Ramgati Upazilla in Lokhipur. The farmers of the study areas are rearing both indigenous and crossbreed cows. The result of the collected data different reproductive performances of those cow such as age at puberty 26.58 months, age at first calving 37.38 months, service per conception 1.8, calving interval 12.7 months, days required to first heat during postpartum period 109.31 days and gestation length 282.34 days. In this study some data were recorded to observe the production performances of those cows. Milk production and lactation length was 6.6 liter/day and 249.86 days, respectively. The maximum milk production was 12 liter/day/cow and the minimum production was 2.00 liter/day/cow supplied some amount of concentrate along with roughage.The productive and reproductive performance variation of dairy cows in our country .In rural level it is more noticeable as there have no any proper management ,proper feed supply and laking of proper veterinary care.