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首页> 外文期刊>Veterinarni Medicina >Meat quality and tissue fatty acid profiles in rabbits fed diets supplemented with conjugated linoleic acid.
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Meat quality and tissue fatty acid profiles in rabbits fed diets supplemented with conjugated linoleic acid.

机译：饲喂添加了共轭亚油酸饮食的兔子的肉质和组织脂肪酸谱。

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In this study the deposition of dietary CLA isomers in loin and hindleg meat, liver and fat, and the influence on performance and fatty acid (FA) profile were investigated in growing rabbits. CLA was supplied as synthetically produced oil at 5 and 10 g/kg diet for the whole fattening period (six weeks) or three weeks before the slaughter. CLA had no or limited effect on feed intake, growth, carcass traits and composition of meat. Treatment with CLA increased the proportion of saturated FA at the expense of monounsaturated FA in meat and liver. Supplementation of the diet with CLA increased (P<0.05) CLA in lipids of meat from <1 mg/g FA up to 36 mg/g FA. Adipose and hepatic tissue incorporated the highest (44 mg/g FA) and the lowest (14 mg/g FA) amount of CLA, respectively. The concentration of CLA in tissue lipids increased (P<0.05) with increasing CLA content in the diet. Duration of CLA feeding had no effect on CLA deposition. Thus, dietary inclusion of CLA at higher concentration (10 g/kg) and feeding CLA-supplemented diet for a shorter period seems to be more suitable for production of CLA-containing rabbit meat. The ratio of the two most abundant isomers of CLA, cis-9, trans-11 and trans-10, cis-12 in tissues differed from that in the CLA-enriched diet. In all tissues the relative proportion of the former isomer was lower than in the diet. The experiment demonstrated that feeding synthetic CLA to rabbits is a means of enriching rabbit meat with CLA, which could provide a healthier product for human consumption.
机译：在这项研究中，研究了成年家兔膳食中CLA异构体在腰肉和后腿肉，肝脏和脂肪中的沉积，以及对生产性能和脂肪酸（FA）谱的影响。在屠宰前的整个育肥期（六周）或三周，以5和10 g / kg的日粮形式提供CLA合成油。 CLA对饲料摄入，生长，car体性状和肉的组成没有影响或影响很小。用CLA处理增加了饱和FA的比例，但以肉和肝中单不饱和FA的代价为代价。在饮食中补充CLA可使肉类脂质中的CLA从<1 mg / g FA升高到36 mg / g FA。脂肪和肝组织分别包含最高量（44 mg / g FA）和最低量（14 mg / g FA）的CLA。随着饮食中CLA含量的增加，组织脂质中CLA的浓度增加（P <0.05）。 CLA进食的持续时间对CLA沉积没有影响。因此，高浓度（10 g / kg）CLA的日粮添加和短期补充CLA补充日粮似乎更适合生产含CLA的兔肉。组织中两种最丰富的CLA异构体，即顺式9，反式11和反式10，顺式12的比例不同于富含CLA的饮食。在所有组织中，前一种异构体的相对比例均低于饮食中。实验证明，给兔子饲喂合成的CLA是用CLA丰富兔肉的一种方法，可以为人类食用提供更健康的产品。

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