Saeed NAZIFI, Mahboobeh MOHAMADI, Foroogh MOMENIFAR, Mehrdad POURJAFAR, Aliasghar CHALMEH

Circulating Metabolic Profile of High Producing Holstein Dairy Cows

Dolaşımdaki belirli bileşenlerin laboratuar ölçümleri ile metabolik profilin değerlendirilmesi, süt sığırlarının metabolik durumunu belirlemede kullanılan bir araçtır. Negatif dengeyi, metabolik hastalıkları ve besleme yetersizliklerini engellemek ve kontrol etmek için veteriner hekimler enerji giriş-çıkış ilişkisini metabolik profilin değerlendirilmesi ile yapabilirler. Bu çalışmada çoklu doğuma sahip 25 sütçü Holştayn ineği laktasyon başlangıcı, ortası ve sonu ile uzak ve yakın kuru olmak üzere eşit 5 gruba ayrılmıştır. Kan örnekleri tüm sığırlardan juguler venadan alınmış ve serumdan glukoz, insülin, ?-hidroksibütirik asit (BHBA), eseterleşmemiş yağ asitleri (NEFA), kolesterol, trigliserit (TG), yüksek, düşük ve daha düşük yoğunluktaki lipoproteinler (HDL, LDL ve VLDL). Laktasyonun ortasındaki ve yakın kuru dönemdeki ineklerde insülin seviyeleri diğer gruplardan çok daha yüksek (P

Yüksek Verimli Holştayn İneklerin Metabolik Profil Döngüsü

Assessing the metabolic profile based on the concept that the laboratory measurement of certain circulating components is a tool to evaluate metabolic status of dairy cows. Veterinarian also can evaluate the energy input-output relationships by assessing the metabolic profile to prevent and control of negative energy balance, metabolic disorders and nutritional insufficiencies. In the present study, 25 multiparous Holstein dairy cows were divided to 5 equal groups containing early, mid and late lactation, and far-off and close-up dry. Blood samples were collected from all cows through jugular venipuncture and sera were evaluated for glucose, insulin, ?-hydroxybutyric acid (BHBA), non-esterified fatty acid (NEFA), cholesterol, triglyceride (TG), high, low and very low density lipoproteins (HDL, LDL and VLDL). Insulin levels in mid lactation and close-up dry cows were significantly higher than other groups (P

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