【摘要】 通过对约×荣杂种仔猪生长发育性状特点及杂种优势的研究,发现约×荣杂种仔猪与其亲本品种相比,在平均个体重、日增重和生长强度方面具有明显的杂种优势,在其生长发育过程中,生长发育快,断奶体重大,适应性和抗应激能力比两亲本品种强,是理想的杂交组合。更多还原

【Abstract】 This paper researched the heterosis and growth characteristic traits of hybrid of Rongchang and Yorkshire. The result showed that the hybrid, compared with the two parent, had significant heterosis on the traits of mean weight, day weight gain and growth intension. Meanwhile, the hybrid grew very fast and had high weaning weight, and the adaptability to the environment?the ability of stress resistant were higher than those of the two parent. All those proved that hybrid of Rongchang and Yorkshire was a good crossbreeding.更多还原