Study on performance analysis of Holstein Fresien cattle under intensive management at government dairy farm, Pishin, Balochistan
Journal Title: Animal Biology & Animal Husbandry - International Journal of the Bioflux Society - Year 2011, Vol 3, Issue 1
Abstract
The study was carried out to analyze the productive and reproductive performance of Holstein Friesian cattle under intensive management at Government Dairy Farm, Pishin (Balochistan) exploring the ten years performance records from 1997-2007. Parameters were productive traits (birth weight, lactation length, lactation milk yield), reproductive traits (age at first conception, age at first calving, service period, dry period, calving interval) and effect of calving season on (milk yield, calving interval, birth weight, dry period on the Holstein Fresein cattle. Analysis of data revealed significant difference in all the productive traits (P<0.05). Maximum birth weight (33.05±0.61 kg) in 6[sup]th[/sup]and minimum (31.31±0.63 kg) in 1[sup]st[/sup]lactation was recorded. The lactation length was highest (332.91±13.40 days) in cows at 3[sup]rd[/sup]and lowest (298.13±16.33 d) in 1[sup]st[/sup]lactation. Maximum lactation milk yield (4102.45±119.34 liters) was in 3[sup]rd[/sup]and minimum (3125.20±96.96 L) in 5[sup]th[/sup]lactation. The service period was relatively higher (141.29±1.223 d) in 3[sup]rd[/sup]lactation and lowest (122.21±2.034 d) in 2[sup]nd[/sup] lactation. Dry period was comparatively higher (91.44±2.31 d) in 3[sup]rd[/sup]and lowest (81.95±2.181 d) in cows at the end of 1[sup]st[/sup]lactation. Calving interval was significantly higher (421.29±5.413 d) in 3[sup]rd[/sup]and lowest (399.36±6.013 d) in 1[sup]st[/sup]lactation cows. The age at first conception on average was 673.26±23.695 days, while the age at first calving was 977.779±33.891 days. The seasonal effect on birth weight, calving interval and dry period was insignificant (P<0.05).Comparatively higher birth weight and calving interval was (32.00±0.541 kg and 415.20 ±6.451 d) respectively recorded in winter. Dry period was slightly higher (90.12±3.311 d) in cows calved in summer and lowest (86.12±2.335 d) in winter. However, the calving season had effect on milk yield showed significant difference (P<0.05), winter season calving produced higher milk yield (4131.65±225.49 L) and autumn calving produced lowest milk yield (3795.91±116.40 L). It is concluded that season and period of lactation is not significantly difference (P>0.05) in higher birth weight of calves, dry period, calving interval and milk yield of cows, respectively.
Authors and Affiliations
Yousaf Barozai, Majed Rafeeq, Haroon Baloch, Irfan Shahzad, Babar Hilal, Farhat Abbas, Muddasar Jehan
Keywords
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