ÖZKAN ELMAZ, AYKUT ASIM AKBAŞ, MUSTAFA SAATCI

Effects of Birth Type on Growth, Fattening Performance and Carcass Characteristics in Honamlı Male Kids

Çalışmanın amacı, yarı entansif koşullarda yetiştirilen Honamlı tek ve ikiz erkek oğlaklarının besi performansı ile kesim ve karkas özelliklerinin belirlenmesidir. Çalışmada 90 günlük yaşta (75. günde sütten kesim yaşı ve sonrasında 15 gün yeme alıştırma dönemi) 10'ar baş Honamlı ırkı erkek tek ve ikiz oğlak 56 gün süreyle besiye alınmış ve besi sonunda tüm oğlaklar kesime sevk edilmiştir. Besi süresi sonunda ise canlı ağırlıklar tek ve ikiz oğlaklar için 34.4 kg ve 30.4 kg olarak tespit edilmiştir. Besi süresince ortalama günlük canlı ağırlık artışı tek doğan oğlaklarda 203 g, ikizlerde ise 231 g olarak gerçekleşmiştir. Kesim sonrasında elde edilen sıcak karkas ağırlıkları da sırasıyla 14.47 kg ve 12.43 kg; boş vücut ağırlığına göre hesaplanan sıcak karkas randımanları tek ve ikiz oğlaklar için sırasıyla %52.46 ve %51.11 olarak tespit edilmiştir. Soğuk karkas ağırlıkları tek ve ikiz oğlaklar için sırasıyla 14.19 kg ve 11.17 kg; boş vücut ağırlığına göre hesaplanan soğuk karkas randımanları ise yine tek ikiz oğlaklar için sırasıyla %51.53 ve %50.04 olarak belirlenmiştir (P>0.05). M. longissimus dorsi (MLD) kesit alanı ise sırasıyla 13.39 cm2 ve 12.43 cm2 olarak tespit edilmiştir. Besi sonunda tek doğan oğlakların cidago yüksekliği, sağrı yüksekliği, vücut uzunluğu, göğüs çevresi ile burun uzunlukları ikiz doğan oğlaklara göre nispeten daha yüksek bulunmuştur

Honamlı Erkek Oğlaklarında Büyüme, Besi Performansı ve Karkas Özelliklerine Doğum Tipinin Etkisi

The aim of this study is to determine fattening performance, slaughter and carcass characteristics of single and twin male Honamlı kids raised under semi- intensive conditions. In the study, 90 day-olds (weaned at the age of 75 days and the 15-day period of adaptation to feeding), 10 single and 10 twin Honamlı male kids were fattened for 56 days and all kids were sent for slaughter at the end of the fattening period. Final average live weights were found to be 34.4 kg and 30.4 kg for single and twin kids. Average daily live weight gain during fattening was 203 g for single kids and 231 g for twin kids. Hot carcass weights obtained after slaughter were 14.47 kg and 12.43 kg; dressing percentages calculated based on empty body weight were determined to be 52.46% and 51.11% for single and twin kids, respectively (P>0.05). Cold carcass weights were determined to be 14.19 kg and 11.17 kg for single and twin kids, respectively; cold carcass yields calculated based on empty body weight were determined to be 51.53% and 50.04% for single and twin kids. The surface areas of M. longissimus dorsi (MLD) were found to be 13.39 cm2 and 12.43 cm2, respectively. Withers height, rump height, body length, chest girth, and nose length of single kids were relatively higher compared to twin kids at the end of the fattening period

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