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首页> 外文会议>ICoMST 2011;International conference of meat science and technology >Carcass characteristics of Puruna vs. 1/2 Canchim cattle slaughtered at 16 or 22 months with three different concentrate levels
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Carcass characteristics of Puruna vs. 1/2 Canchim cattle slaughtered at 16 or 22 months with three different concentrate levels

机译：在三个或三个不同浓缩水平下于16或22个月屠宰的Puruna与1/2 Canchim牛的cas体特征

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The aim of this work was to evaluate cattle performance 1/2 Puruna vs. 1/2 Canchim super early or early, supplemented with three different concentrate levels. The experiment was conducted at model farm on experimental station of Instituto Agronomico do Parana - Iapar, located at Ponta Grossa city at Parana estate in Brazil. 97 male non castrated V2 Puruna vs. 1/2 Canchim were used. Cattle were allocated according to the finishing system (Super early - SUP - 16 months old or Early - EAR -22 months old) on three different concentrate 'supplementation levels (0,8; 1,2 e 1,6% regarding to live weight). Hot carcass weight (HCW) were similar (P>0,05) between both finishing systems. The hot carcass dressing (HCD) for SUP (55,14%) regarding to EAR (53,78%). Carcass length (CLE), marbling and bone percentage were lower (P>0,05) (128,88 cm, 5,03 points e 14,66%) for SUP cattle regarding to EAR (132,10 cm, 5,88 points e 15,27%). However, Longissimus area (LA) was higher (P<0,05) (72,03 cm~2) for SUP cattle regarding to EAR cattle (68,30 cm~2). The leg length (LLE), cushion thickness (CTH), fat thickness (FAT), conformation (CON), color (COL), texture (TEX), muscle percent and fat percent were similar (P>0,05) between the two finishing systems. HCD was similar (P>0,05) for the three concentrate levels. The same way, the concentrate levels had no effect (P>0,05) over carcass characteristics. Due the higher weight gain of steers finished in SUP system and FBW not different between both systems, so the shorter confinement allows that there are less food-related expenses due the shorter termination.
机译：这项工作的目的是评估牛的性能，即早熟或早熟1/2 Puruna与1/2 Canchim，并补充三种不同的精矿水平。该实验是在位于巴西帕拉纳庄园的蓬塔格罗萨市蓬塔格罗萨市的帕拉纳农业研究所-Iapar的样板农场进行的。使用了97个非去势V2 Puruna男性vs. 1/2 Canchim。根据育肥系统（超级早期-SUP-16个月大或早期-EAR -22个月大）对牛分配了三种不同的精矿补充水平（相对于活重，分别为0,8; 1,2 e 1,6％） ）。两个精加工系统之间的热car体重量（HCW）相似（P> 0.05）。 SUP的热屠体敷料（HCD）（55.14％）与EAR（53.78％）有关。与EAR（132,10 cm，5,88）相比，SUP牛的体长度（CLE），大理石花纹和骨骼百分比更低（P> 0.05）（128,88 cm，5,03点，e 14.66％）点e 15,27％）。然而，相对于EAR牛（68,30 cm〜2），SUP牛的Longissimus面积（LA）更高（P <0.05）（72.03 cm〜2）。腿长（LLE），坐垫厚度（CTH），脂肪厚度（FAT），构象（CON），颜色（COL），质地（TEX），肌肉百分比和脂肪百分比之间相近（P> 0.05）两个整理系统。对于三个浓​​缩物水平，HCD相似（P> 0.05）。同样，浓缩物水平对car体特性无影响（P> 0.05）。由于在SUP系统和FBW中完成的ste牛皮的增重较高，两个系统之间没有区别，因此，较短的禁闭时间可缩短终止时间，从而减少与食品相关的费用。

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