SIĞIR BESİ RASYONLARINDA KULLANILAN FARKLI YAĞ KAYNAKLARININ ETKİLERİ: I. BESİ PERFORMANSI

Yıl 2005, Cilt: 2 Sayı: 1, 67 - 72, 01.03.2005

Mürsel Özdoğan Birol Birincioğlu Alper Önenç Kubilay Metin

Öz

Bu çalışma, besi sığırlarının beslenmesinde kullanılan farklı yağ kaynaklarından yararlanma imkanları ve etkilerini belirlemek amacıyla yürütülmüştür. Araştırmada (1) yağ içermeyen kontrol yemi (K), (2) %2.5 sığır içyağı (HY= hayvansal yağ) ve (3) %2.5 pamuk yağı (BY= bitkisel yağ) içeren besi yemi muamelesi denenmiştir. Ticari bir işletmeden seçilen 24 adet Esmer ırkı erkek dana kullanılmıştır. Gruplara ayrılan hayvanların ortalama deneme başı canlı ağırlıkları; kontrol, hayvansal yağ ve bitkisel yağ grubu için, sırasıyla 278.8,275.9 ve 284.9 kg olarak belirlenmiştir. Genel bir değerlendirme yapıldığında besi dönemi; sonunda en yüksek canlı ağırlık ve canlı ağırlık artışını istatistiksel bakımdan BY grubunda görülmüştür (P < 0.01). Yem tüketimi ve yemden yararlanma, yalnız grup düzeyinde bakılabilmiş, en düşük yem tüketimi ve en iyi yemden yararlanma sayısal olarak HY grubunda bulunmuştur. Kesim ağırlığı ve sıcak karkas randımanı bakımından da istatistiksel bir fark gözlenmemiştir. En yüksek kesim ağırlığı ve sıcak karkas randımanı, sayısal olarak HY grubunda görülmüştür (P > 0.05).

Anahtar Kelimeler

Esmer, sığır iç yağı, pamuk yağı, besi performansı

The effects of different lipid Sources Using in Fattening Bulls Rations: I. Fattening Performance

Öz

This study was carried out to determine the potentiel use, and the effects of different lipid sources on fattenning
bulls.
Three concentrate diets were tested: (1) non-fat containing control diet (K), (2) 2.5 % tallow containing diet (HY=
tallow group) , and (3) 2.5 % cotton seed oil containing diet (BY= vegetable oil group). In this study, 24 male
Brown Swiss calves, chosen from a commercial farm, were used. Average initial weights of animals for K, HY
and BY groups were 278.8, 275.9 ve 284.9 kg respectively.
When a general evaluation was made at the end of fattening period, the highest live weight and live weight gain
were found in the BY group (P < 0.01). Feed consumptions and feed efficiencies were obtained in group levels.
The lowest feed consumption and the best feed efficiency were found numerically at the HY group. Statistical
differences were not found among groups for slaughter weights and hot carcass yields. The highest slaughter
weight and hot carcass yield were determined in HY group numerically (P > 0.05).

Anahtar Kelimeler

Brown Swiss, tallow, cotton seed oil, fattening performance

Kaynakça

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