EFFECTS OF MONTH AND YEAR OF CALVING ON 305-DAY MILK YIELD IN HOLSTEIN-FRIESIAN CATTLE IN NWFP, PAKISTAN
Data on production performance of 90 imported Dutch Holstein-Friesian cattle and their 127 Pakistani- born progeny from 1982 to 1991 were analyzed. The mean first lactation 305-day milk yield for imported and Pakistani-born cows was 3196.7 ± 66.36 and 2418.3 ± 104.65 litres respectively (P<0.05)....
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
University of Agriculture, Faisalabad
2002-03-01
|
| Series: | Pakistan Veterinary Journal |
| Subjects: | |
| Online Access: | http://pvj.com.pk/abstract/22_3/12.htm |