A NOTE ON GROWTH-CURVES OF RABBIT LINES SELECTED ON GROWTH-RATE OR LITTER SIZE

被引：41

作者：

BLASCO, A

GOMEZ, E

机构：

[1] Departamento de Ciencia Animal, Universidad Politécnica de Valencia, Valencia 46071

来源：

ANIMAL PRODUCTION | 1993年 / 57卷

关键词：

GROWTH CURVES; RABBITS;

D O I：

10.1017/S000335610000698X

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Two synthetic lines of rabbits were used in the experiment. Line V, selected on litter size, and line R, selected on growth rate. Ninety-six animals were randomly collected from 48 litters, taking a male and a female each time. Richards and Gompertz growth curves were fitted. Sexual dimorphism appeared in the line V but not in the R. Values for b and k were similar in all curves. Maximum growth rate took place in weeks 7 to 8. A break due to weaning could be observed in weeks 4 to 5. Although there is a remarkable similarity of the values of all the parameters using data from the first 20 weeks only, the higher standard errors on adult weight would make 30 weeks the preferable time to take data for live-weight growth curves.

引用

页码：332 / 334

页数：3

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