Selim ESEN, Harun KARADAĞ, Cüneyt KAPTAN, Hüseyin ESECELİ

Zinc and Copper Profile of Blood Plasma and Wool in Kivircik Lambs Reared under Intensive Management Conditions

The aim of this study was to determine Zinc (Zn) and Copper (Cu) levels of plasma and wool in Kivircik lambs at the end of the suckling period. For this purpose, blood and wool samples were taken from 48 non-castrated healthy Kivircik male lambs, 32 single-born, and 16 twin-born. The concentration of Zn and Cu together with iron (Fe), sodium (Na), and potassium (K) in plasma, wool, and feedstuffs samples were performed by using a flame atomic absorption spectrophotometer. The result of this study showed that the birth type did not affect the wool mineral level (P > 0.05). However, it was understood that Zn and Cu tended to accumulate more in wool in twin -born lambs. Also, there was a significant negative correlation observed in plasma Cu - Fe concentrations (P < 0.05) while K - Na in plasma, and Cu - Na and Na - K concentrations in wool were positively correlated (varied between P < 0.05 and P < 0.01). It is concluded that Zn and Cu concentration in plasma and wool of Kivircik lambs within the normal range in the suckling period under intensive management conditions. On the other hand, considering the physiological stage of animals and pasture allowance, supplementation of these minerals from organic and/or inorganic sources may be necessary for further times.

Entansif Şartlarda Yetiştirilen Kıvırcık Kuzularda Kan Plazması ve Yapağıdaki Çinko ve Bakır Profili

Bu çalışmanın amacı süt emme dönemi sonundaki Kıvırcık kuzularında, kan plazması ve yapağıdaki çinko (Zn) ve bakır (Cu) profilini belirlemektir. Bu amaçla, kastre edilmemiş, sağlıklı erkek 48 baş Kıvırcık kuzudan (32 tekiz, 16 ikiz) kan ve yapağı örneği alındı. Kan plazması, yapağı ve yem örneklerindeki Zn, Cu, demir (Fe), sodyum (Na) ve potasyum (K) konsantrasyonları alev başlıklı atomik absorpsiyon cihazı kullanılarak gerçekleştirildi. Bu çalışmadan elde edilen sonuçlar doğum tipinin plazma ve yapağıdaki mineral konsantrasyonları üzerine etkisinin olmadığını gösterdi (P > 0.05). Ancak Zn ve Cu’nun ikiz doğan kuzularda yapağıda daha fazla birikme eğiliminde olduğu tespit anlaşıldı. Ayrıca, plazmadaki Cu ve Fe konsantrasyonları arasında negeatif bir korelasyon (P < 0.05); K plazmadaki K ve Na, yapağıdaki Cu ve Na ile Na ve K arasaında positif bir korelasyon gözlemlendi (P < 0.05 ve P < 0.01aralığında, değişen oranlarda). Çalışma sonunda entansif şartlarda yetiştirilen Kıvırcık kuzularda, süt emme sonunda plazma ve yapağıdaki Zn ve Cu konsantrasyonlarının normal aralıkta olduğu sonucuna varıldı. Diğer taraftan hayvanların fizyolojik durumu ve meredan yararlanma olanağı göz önünde bulundurulduğunda ileriki dönemlerde bu minerallere olan ihtiyaçlarının organik ve/veya inorganik kaynaklardan sağlanması gerekebileceği göz önünde bulundurulmalıdır.

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