Somayeh Pourhamidi, Ali Esmailizadeh, Mohamad Salarmoini, Masood Asadi Fozi
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引用次数: 0
摘要
背景:最近,为了提高土鸡的生产性能,人们进行了杂交、品系杂交和近交杂交等努力。本实验旨在评估杂交对提高本地鸡生产性能的影响。以白莱格霍恩外来鸡(WL)为母本品系,马兰地本地鸡(MA)为父本品系,产生杂交种(MA × WL)。对三组鸡的体重和产蛋性状进行了测定:结果:WL 和 MA 之间存在明显的性能差异,WL 的体重和产蛋量均优于 MA(P 结论:WL 和 MA 之间存在明显的性能差异,WL 的体重和产蛋量均优于 MA(P):本研究的结果表明,通过与外来鸡杂交,可以提高本地鸡的经济效益。在农村地区使用杂交鸡比本地鸡更有效率。此外,本地鸡对当地环境的适应能力可通过基因传递给杂交鸡,这一点应在进一步研究中加以探讨。
Comparison of productive performance of Marandi, White Leghorn, and Marandi-White Leghorn crossbred chickens.
Background: Recently, efforts like crossbreeding, strain crossing, and inbred hybridization have been performed to improve productive performance in native chickens. This experiment was carried out to evaluate the effects of crossbreeding on the improvement of the productivity of a native chicken. The White Leghorn exotic chicken (WL) as dam line and the Marandi indigenous chicken (MA) as sire line were used to generate the crossbreds (MA × WL). Body weight and egg production traits were measured in the three groups.
Results: There are significant performance differences between WL and MA, with WL exhibiting superior body weight and egg production compared to MA (P < 0.05). Crossbreeding between WL and MA significantly improved most traits, with MA × WL outperforming MA. Negative heterosis was observed for body weight showing similarities between MA and MA × WL. Notably, MA × WL showed a closer resemblance to WL than MA in hen-day egg production at 40 and 44 weeks (P < 0.05).
Conclusions: The results derived from this study show that the economic performance of native chickens can be enhanced through crossbreeding with exotic chickens. Using the crossbred chickens in rural areas can be more efficient than the native chickens. In addition, the resilience of the native chickens to the local environment can be transmitted genetically to the crossbred which should be investigated in further studies.
期刊介绍:
BMC Veterinary Research is an open access, peer-reviewed journal that considers articles on all aspects of veterinary science and medicine, including the epidemiology, diagnosis, prevention and treatment of medical conditions of domestic, companion, farm and wild animals, as well as the biomedical processes that underlie their health.