Türk Siyah Alaca İneklerde Vücut Kondisyon Skoru ve Süt Verimi ile Arasındaki İlişkinin Belirlenmesi

Gerek işletmedeki besleme programının yürütülmesi, gerekse diğer özelliklerle olan genetik ilişkisi nedeniyle, ineklerin kondisyonlarının gözlem altında tutulması oldukça önemlidir. Bu çalışma, Siyah Alaca ineklerde vücut kondisyon skorunun (VKS) kalıtım derecesi ve süt verimi ile arasındaki ilişkinin belirlenmesi amacıyla yürütülmüştür. Ayrıca, işletme, laktasyon dönemi ve buzağılama yaşının VKS’ye etkisi araştırılmıştır. Bu amaçla 1001 ineğin vücut kondisyonları 1-9’luk ölçeğe göre puanlanmıştır. VKS’ye ait ortalama 5.52±0.04 olarak bulunmuş olup farklı laktasyon dönemlerinde VKS ortalamaları 4.54 ile 6.58 arasında değişmiştir. İçinde bulunulan laktasyon döneminin, hayvanların vücut kondisyonu üzerine önemli etkiler yaptığı (P

Determination of the Body Condition Score and Its Relationship with Milk Yield in Turkish Holstein Cows

It is quite important to keep the condition of cows under surveillance due to conduct of nutritional programs in dairy herds as well as genetic relations with other traits. This study was conducted to estimate the heritability of body condition score (BCS) and genetic correlation with milk yield of Holstein cows. Also, the effects of herd, lactation period and calving age on BCS were investigated. For this aim, body conditions of 1001 cows were scored using the scale of 1-9. The average BCS was determined as 5.52±0.04 and its average was ranged from 4.54 to 6.58 at different periods of lactation. Results showed that body conditions were affected by the lactation period significantly (P

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