ENVIRONMENTAL FACTORS AFFECTING MILK YIELD AND LACTATION LENGTH IN SAHIWAL CATTLE
Weekly milk yield records on 661 Sahiwal cows calving during 1990-2000 at the Livestock Experiment Station Bahadurnagar, Okara were used to study how milk yield and lactation length were affected by different environmental factors. Lactation milk yield averaged 1475 651 kg for an average lactation...
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Format: | Article |
Language: | English |
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University of Agriculture, Faisalabad
2004-01-01
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Series: | Pakistan Veterinary Journal |
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Online Access: | http://www.pvj.com.pk/pdf-files/24_1/23-27.pdf |