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Effect of the housing system (free-range vs. open air cages) on growth performance, carcass and meat quality and antioxidant capacity of rabbits
Meat Science ( IF 5.7 ) Pub Date : 2018-06-18 , DOI: 10.1016/j.meatsci.2018.06.017
Rosa Loponte , Giulia Secci , Simone Mancini , Fulvia Bovera , Valentina Panettieri , Antonino Nizza , Carmelo Di Meo , Giovanni Piccolo , Giuliana Parisi

Growth performances and meat quality of free-range or cage raised rabbits were compared in 36 male animals. Rabbits were raised in free-range areas (2000 cm2/head) or in open-air cages (800 cm2/head) from weaning to 99 days old. Daily weight gain and final live weight were higher (P < 0.05) for the rabbits raised in cages which presented a more favourable feed conversion ratio (P < 0.05) than in the free-range group. The average feed intake, liver and empty gastro-intestinal tract weights were higher (P < 0.05) in the free-range group, while the interscapular fat percentage was higher (P < 0.05) in the caged rabbits. Loins of free-range rabbits had higher amount of PUFA n-6 in neutral lipids (P < 0.05) whereas their polar lipids were richer in PUFA n-6 and n-3 than in those of the cage group. Muscular fat of free-raised rabbits was found to be less susceptible to be oxidized, having a higher antioxidant capacity than the caged group.



中文翻译:

饲养系统(自由放养与露天笼)对家兔生长性能,car体和肉品质及抗氧化能力的影响

比较了36只雄性动物的散养或笼养兔子的生长性能和肉品质。将兔子放在自由放养区(2000 cm 2 /头)或露天笼子(800 cm 2)中饲养/头)从断奶到99天大。饲养在笼中的兔子的日增重和最终活重较高(P <0.05),与自由放养组相比,其饲料转化率(P <0.05)更好。自由放养组的平均采食量,肝脏和空肠胃道重量较高(P <0.05),而笼养兔的肩inter间脂肪百分比较高(P <0.05)。散养兔的腰肉中性脂质中的PUFA n-6含量较高(P <0.05),而极性笼脂中的极性脂质比笼组中的更丰富。发现自由饲养的兔子的肌肉脂肪不易被氧化,具有比笼养组更高的抗氧化能力。

更新日期:2018-06-18
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