The effect of lactation number on milk production and reproduction in Holstein cows

Ozcelik M., Arpacik R.

TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES, cilt.24, sa.1, ss.39-44, 2000 (SCI-Expanded, Scopus, TRDizin) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 24 Sayı: 1
  • Basım Tarihi: 2000
  • Dergi Adı: TURKISH JOURNAL OF VETERINARY & ANIMAL SCIENCES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.39-44
  • Anahtar Kelimeler: Holstein, lactation number, milk and reproductive traits, DAIRY-CATTLE, SEASON, FARM
  • Ankara Üniversitesi Adresli: Hayır

Özet

This study was carried out to investigate the effect of lactation number on milk production and reproduction. Data on milk and reproductive traits in the first five lactations of Holstein cows reared at Bala State Farm were used. The following characteristics were studied: milk yield, lactation duration and dry period. The following reproductive traits were also studied: number of inseminations per conception, service period, gestation period and calving interval.