Productive and Reproductive Performance of Different Crossbred Dairy Cattle at Kishoreganj, Bangladesh
Productive and Reproductive Performance of Different Crossbred Dairy Cattle at Kishoreganj, Bangladesh
Mustasim Famous1*, Asim Chakrabartty Aditya2, Shahabuddin Ahmed3 and Sabuj Sutradhar2
ABSTRACT
The study was conducted at Kishoreganj, Bangladesh to evaluate the productive and reproductive performance of Sahiwal × Local (SL× L), Friesian × Local (F×L), Sindhi× Local (S×L) crossbred during the period of July 2019 to January 2020. A total of 162 crossbred dairy cows under 3 genotypes were studied on the basis of productive and reproductive performances. The average age of puberty of L×F, L×SL and L×S crossbred cattle were 23.7, 26.5 and 29.5 months, respectively. The average age at first fertile service for L×F, L×SL and L×S crossbreds’ cattle were 24.2, 27.0 and 31.0 months, respectively. The highest gestation length was 285 days and it was for L×S crossbred cattle. The lowest gestation length was 273 days and it was for L×F crossbred cattle. The highest lactation length was observed in case of L×F crossbred (300 days) and lowest was found in case of L×S crossbred (220 days). The highest number of services per conception was 1.66 and it was for L×SL crossbred cattle. The lowest number of services per conception was 1.61 and it was for L×F crossbred cattle. The average post-partum heat period of L×F, L×SL and L×S crossbreds were 114, 125 and 127days, respectively. The highest Post-Partum Heat Period (PPHP) was 127 days found in case of L×S crossbred cows. The lowest PPHP was found in case of L×F crossbred cows (114 days). The overall productive and reproductive performance of different crossbred were varied. Judging from the overall analysis of the results, it may be concluded that production and reproduction performances of Holstein crossbred are superior to other dairy crossbred in Kishoreganj, Bangladesh.
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