Davut BAYRAM, Bilal AKYÜZ, Savaş SARIÖZKAN

Kayseri İlinde BLAD Prevalansı ile Taşıyıcı ve Taşıyıcı Olmayan Holştayn İneklerinde Bazı Üretim Parametrelerinin Karşılaştırılması

Bu çalışmada, Kayseri ilinde yetiştirilen tesadüfî olarak seçilen 262 Holştayn inek, polimeraz zincir reaksiyonurestiriksiyon fragment uzunluk polimorfizmi (PCR-RFLP) ile sığır lökosit bağlanma yetmezliği (BLAD) yönünden incelenmiş ve BLAD-taşıyıcısı (BL) ve BLAD-taşıyıcısı olmayan (TL) inekler ilkine buzağılama yaşı, buzağılama aralığı ve 305 günlük süt verimi gibi bazı üretim parametreleri bakımından karşılaştırılmıştır. BLAD taşıyıcı ineklerin prevalansı % 4.58 olarak bulunmuştur. BLAD taşıyıcı ve taşıyıcı olmayan inekler arasında ilkine buzağılama yaşı ve buzağılama aralığı parametreleri yönünden herhangi bir fark bulunmamıştır (p>0.05). Ancak, 305 günlük süt verimi BLAD taşıyıcı ineklerde daha yüksek bulunmuştur (p<0.001). Bu nedenle, Holştayn ineklerde bu hastalığın yayılmasını engellemek için BLAD-taşıyıcılarının belirlenmesi ve çiftleştirmelerin buna göre planlanması büyük önem taşımaktadır.

Anahtar Kelimeler:

BLAD, Holştayn, Kayseri, PCR-RFLP

The Prevalence of BLAD and Comparison of Some Production Parameters in Carrier and Non-Carrier Holstein Cows in Kayseri Province, Turkey

In this study, randomly selected 262 Holstein cows reared in Kayseri province of Turkey were screened with polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) for bovine leukocyte adhesion deficiency (BLAD) and some production parameters such as age at first calving, calving interval and 305-day milk production of BLAD-carrier (BL) and BLAD non-carrier (TL) cows were compared. As a result, the prevalence of BL cows was found as 4.58%. There was not any difference between BL and TL cows for age at first calving and calving interval parameters (p>0.05). However, 305-day milk production of BL cows was higher than that of TL cows (p<0.001). Thus, the detection of BLAD carriers and properly planned mating are of great importance for preventing the spread of the disease in Holstein cows.

Keywords:

BLAD, Holstein, Kayseri, PCR-RFLP,

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