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Details van artikel 14 van 62 gevonden artikelen
| Titel: |
Comparative Performance between Imported and Local Born Holstein Friesian Cows Maintained at LES Bhunikey |
| Auteur: |
Intizar Ali Azim Ali Nasir Riaz Hussain Mirza |
| Verschenen in: |
Pakistan journal of biological sciences |
| Paginering: | Jaargang 2 (1999) nr. 1 pagina's 207-208 |
| Jaar: |
1999 |
| Inhoud: |
Productive and reproductive traits data was collected from 1985-91 and analyzed. For local born and imported Holstein Frieian cows revealed that the age at first calving average 787.38 ±13.61 and 822.46 ±10.63 days, services per conception were 1.76 ±0.10 and 1.87 ±0.089, services period was 161.48 ±14.45 and 132.92 ±5.11 days; Gestation period was observed to be 278.65 ±0.78 and 279.92 ±0.63 days and was longer in cows carrying male calves than those carrying female calves; calving interval average 443.77 ±18.67 and 415.66 ±5.09 days, 305 days milk production average 3543.23 ±121.26 and 4114.40 ±115.96 litters, showing that local born group produced less milk than their imported dams, dry period was found to be 192.71 ±18.14 and 191.07 ±13.11 days respectively. |
| Uitgever: |
Asian Network for Scientific Information (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 14 van 62 gevonden artikelen
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