Livestock Studies 1994, Vol 34, Num, 3-4     (Pages: 048-064)

Fattening Performance and Carcass Characteristics of (F1) Lambs Crosbred Between Meat Type Sheep Breeds and Kıvırcık Sheep

Vedat AKGÜNDÜZ 1 ,İbrahim AK 2 ,Mehmet KOYUNCU 2 ,İsmail FİLYA 2 ,Fazıl DELİGöOZOĞLU 1 ,Erdoğan TUNCEL 2

1 Koyunculuk Araştırma Enstitüsü Müdürlüğü, BANDIRMA
2 Uludağ Üni. Ziraat Fakültesi Zootekni Bölümü. BURSA
- The research was planned to determine fattening performance and carcass characteristics of Kıvırcık and crossbered (F1) male Lambs which were off spring of Mutton Breeds x Kıvırcık crossbreding programme. The investigation was carried out with Kıvırcık, Hampshire Down x Kıvırcık (HD x K) and German Black Head x Kıvırcık (GBH x K) crossbred (F1) lamb groups each consisted of 12 male lambs fattening period was 70 days. Average initial live weighte, final weight, daily live weight gain at fattening period, daily feed consumetion, feed efficiency, cold carcass weight and dressing percentage of the groups were determined as;16.54 ± 0.588, 16.98 ±0.617 and 16.48 ± 0.687 kg; 32.33 ± 1.077, 37.98 ±1.363 and 37.08 ± 1.173 kg; 225.6 ± 9.67, 299.9 ± 13.42 and 294.3 ± 13.58 g; 1.115, 1.255 and 1.220 kg; 4.942, 4.184 and 4.146 kg; 15.6 ± 0.68, 19.2 ± 0.95 and 18.4 ± 0.936 kg; 16.2 ± 0.71, 19.8 ± 0.93 and 18.8 ± 0.98; 48.8 ± 0.39 %, 50.1 ± 1.07 % and 49.6 ± 0.10 % respectively.

It was determined that live weight gain of crossbred (F1) lambs were significantly higher than Kıvırcık lambs (P<0.01). Fattening performance of HD x K and GBH x K crossbred (F1) lambs were obviously higher. It was observed significant differences about skin with furand warm and cold carcass weight at propertes of section and carcass on the lamb. Keywords :