Effects of Somatic Cell Count and Various Environmental Factors on Milk Yield and Foremilk Constituents of Red-Holstein Cows

Bu çalışmada, Akdeniz iklim koşullarının egemen olduğu Aydında yetiştirilen Kırmızı-Alaca sığırların süt verimi ve ön süt bileşenleri üzerine somatik hücre sayısı (SHS) ve bazı çevresel faktörlerin etkileri araştırılmıştır. 2009-2012yılları arasında yılda iki kez (kışın ve yazın) 129 baş inekten sabah ve akşam sağımlarında alınan toplam 891 ön süt örneğinde protein oranı (PO), laktoz oranı (LO) ve yağsız kuru madde oranı (YKMO) ile SHS belirlenmiştir. İstatistik analiz öncesinde SHS verileri 6 gruba (750,000 hücre mL-1) ayrılmıştır. Kış ve yaz mevsimleri için denetim zamanı süt verimi (DZSV), PO, LO, YKMO ve Log10SHS en küçük kareler ortalamaları sırasıyla 11.27±0.253 kg ve 10.59±0.226 kg (P

Kırmızı-Alaca Sığırların Süt Verimi ve Ön Süt Bileşenleri Üzerine Somatik Hücre Sayısı ve Bazı Çevresel Faktörlerin Etkileri

In this study, the effects of somatic cell count (SCC) and various environmental factors on milk yield and foremilk constituents in Red-Holstein (RH) cows raised under Mediterranean climatic conditions in Aydın Province in Turkey were determined. A total of 891 foremilk samples collected from 129 cows during morning and evening milkings in winter and summer seasons between 2009 and 2012 were analysed for protein content (PC), lactose content (LC), non- fat dry matter content (NFDMC), and SCC. SCC data were split into 6 groups (750,000 cells mL-1) before statistical analysis. LS MEANS of sampling time milk yield (STMY), PC, LC, NFDMC, and Log10SCC for winter and summer seasons were 11.27±0.253 kg and 10.59±0.226 kg (P

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  • Yayın Aralığı: Yılda 4 Sayı
  • Yayıncı: Halit APAYDIN
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