Effect of dental age on edible and non-edible meat yield characteristics of indigenous beef cattle

Meat Research Pub Date : 2022-12-30 DOI:10.55002/mr.2.6.41
M. Islam, M. Hossain, S. Akhter, MA Al Noman, P. Goswami, M. Hasan, A. Mustari, M. Hashem
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Abstract

The objective of this study was to know the effect of dental age on the meat yield characteristics of indigenous beef carcasses. This experiment was conducted with five (5) treatments (T1, T2, T3, T4 and T5) where T1 = 0 Permanent incisor, T2 = 2 Permanent incisors, T3 = 4 Permanent incisors, T4 = 6 Permanent incisors, T5 = 8 Permanent incisors having ten (10) replications. From the experiment it shows that live and hot carcass weight increased significantly in T1 and T2 compared to T3, T4 and T5. Cold carcass weight (CCW) increased significantly with the advancement of dental maturity. KPH% was highest in T4 and lowest in T3 whereas round and loin% were highest in T4 and T3 respectively but both are lowest in T1. Lungs with trachea, liver and kidney weight% were significantly higher in T1 than others group. In conclusion, maximum live weight gain and hot carcass weight were achieved in the dental age groups of two to four permanent incisors.
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牙龄对地方肉牛食用和非食用肉产量特性的影响
本研究的目的是了解牙龄对本地牛肉胴体产肉特性的影响。实验采用T1、T2、T3、T4、T5 5个处理,T1 = 0个恒切牙,T2 = 2个恒切牙,T3 = 4个恒切牙,T4 = 6个恒切牙,T5 = 8个恒切牙,共10个重复。试验结果表明,与T3、T4和T5相比,T1和T2阶段活胴体重和热胴体重显著增加。冷胴体重(CCW)随着牙龄的增加而显著增加。KPH%在T4最高,在T3最低,而圆形和腰部%分别在T4和T3最高,但在T1最低。T1组肺、气管、肝、肾重量%均显著高于其他组。综上所述,2 ~ 4个恒切牙的牙龄组活增重和热胴体重最大。
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