Effect Year of Calving and Parity on the Productive Performance of Holstein Friesian Cows in Vom Nigeria
I. B. Gamaniel, J. O. Egahi, P. A. Addass
Asian Journal of Research in Animal and Veterinary Sciences · pp. 222–229 · Published 16 Aug 2019
10.9734/ajravs/2019/v2i366Abstract
A total of one thousand eight hundred and thirty nine (1839) lactation records of cows calved from 2006 to 2017 were analyzed to estimate the effect of non-genetic factors on productive performance traits of Holstein-Friesian cows in Integrated Dairy Farm Vom. Data were analyzed using general linear models of SAS 2001 (version 8.0). Results revealed that the overall least square means of Lactation Milk Yield (LMY), Productive herd life (PHL), Herd life (HL), lifetime milk yield (LTMY) and lactation length (LL) were 4716.1 ±243 litres 1831.8±73.9 days, 2984.9±91.6 days, 15524±1544 litres and 268.00 ± 432 days respectively. Years of calving had significant (P<0.05) effect on LMY, PHL, HL, LL and LTMY of the dam, while Parity also significantly (P<0.05) influenced the lactation milk yield of the dam. The observed productive performance of Holstein Friesian cattle under Vom condition was generally commendable. This may be attributed to improved management practices (such as high quality feed), maternal gene effect and adaptation of Holstein Friesian breed to the climatic condition of Vom area.
References (6)
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