Studies on certain reproductive parameters

ISBN-13: 9786207462469 / Angielski / Miękka / 164 str.

ALAMRSIGERE A. MURUGEPPA; TANDLE M. K.; N. B. Shridhar

Opis

A study was undertaken for the reproductive parameters of Malnad Gidda in its native tract to assess the response of repeat breeding Malnad Gidda cows to oestrus synchronization.Various reproductive and productive parameters of Malnad Gidda cows were studied in three taluks of Shivamogga district Tirthahalli, Sagar and Hosanagar. The parameters like age at puberty of 25.15±0.29 months, age at first calving of 39.32±2.99 months, dry period of 6.22±1.26 months, calving interval of 13.68±2.55 months, gestation period of 282.14±9.03 days, service period of 136.73±10.03 days, lactation length of 258.22 ± 10.95 days, milk yield per day of 3.69±0.32 kg, total milk yield of 227.19±8.31 kg, days to reach peak milk yield of 46.19±0.51 day, birth weight of the new born calf of 8.71±0.45 kg, time taken for expulsion of fetal membranes of placenta of 4.63±0.39 hours, onset of postpartum oestrus of 77.64±1.98 days, duration of oestrus period of 15.25±1.67 hours, time of ovulation of 15.15 ± 1.7 hours, and length of oestrus cycle of 22.63±2.96 days were recorded.