Etçi Piliçlerde Pirinç Kabuğu Altlık Derinliğinin Besi Performansı, Ayak Taban Yangısı ve Et Kalite Özellikleri Üzerine Etkisi

Bu araştırma altlık olarak iki farklı kalınlıkta (5 ve 10 cm) kullanılan pirinç kabuğunun Ross 308 piliçlerinde besi performansı, mortalite oranı, ayak taban yangısı, et kalite ve et renk özellikleri üzerine etkisini belirlemek amacıyla yapılmıştır. Boyut ve dizayn olarak birbirinin benzeri iki kümesten birisine 5 cm (T5), diğerine 10 cm (T10) kalınlığında pirinç kabuğu serilmiştir. Ardışık üç besi döneminde besi performansı, FCR (yem dönüşüm oranı), mortalite oranı, ayak taban yangısı lezyonları, et kalite ve et rengi özellikleri belirlenmiştir. Yem dönüşüm oranlarının T5 ve T10 gruplarında sırasıyla 1,748 ve 1,577 olduğu, aradaki farkın önemli olduğu belirlenmiştir (P<0,05). İki altlık kalınlığı grubu arasında ölüm oranları, piliçlerin ayak taban yangıları, et kalite özellikleri ve et rengi özellikleri arasında istatistiksel olarak önemli bir farklılık bulunmamıştır (P>0,05). Buna karşın altlık kalınlığı grupları içinde ayak taban yangı skorları arasındaki farkın önemli olduğu belirlenmiştir (P<0,001). Sonuç olarak pirinç kabuğunun diğer altlık çeşitlerinden daha ucuz olması avantaj olarak değerlendirilse bile Skor 3 ve 4 düzeyde lezyon oranlarının fazla olması dezavantajdır. T5 ve T10 grupları arasında FCR dışında diğer özelliklerde önemli bir farklılık olmaması nedeniyle altlık olarak 10 cm yerine 5 cm kalınlığında kullanılması ekonomik bakımdan kazanç sağlayabilir.

Anahtar Kelimeler:

Altlık kalınlığı, ayak taban yangısı, besi performansı, etçi piliç, , pirinç kabuğu

The Effect of Depth of Rice Hulls Litter on Fattening Performance, Foot Pad Dermatitis, Meat Quality Characteristics of Broiler Chicken

This study was carried out to determine the effect of rice hulls used as litter in two different thicknesses (5 and 10 cm) on fattening performance, mortality rate, foot pad lesions, meat quality and meat color characteristics of Ross 308 chickens. Rice hulls of 5 cm (T5) and 10 cm (T10) thickness were laid on the coops that were similar in size and design. Fattening performance, FCR (feed conversion ratio), mortality rate, foot pad lesions, meat quality, and meat color characteristics were determined in three consecutive fattening periods. It was determined that the feed conversion ratios were 1.748 and 1.577 in the T5 and T10 groups, respectively, and the difference was significant (P<0.05). There was no statistically significant difference between the two litter thickness groups in mortality rates, foot pad lesions of the chickens, meat quality characteristics and, meat color characteristics (P>0.05). On the other hand, it was determined that the difference between foot pad lesion scores within the litter thickness groups was significant (P<0.001). As a result, although it is considered an advantage that rice hulls are cheaper than other litter varieties, it is a disadvantage that the lesion rates at Score 3 and 4 levels are high. Since there is no significant difference between the T5 and T10 groups without FCR. Therefore, it may be economically beneficial to use 5 cm thick as a substrate instead of 10 cm.

Keywords:

Broiler, fattening performance , foot pad dermatitis, , litter thickness, , rice hulls,

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