影响长毛兔繁殖力的因素很多，但归纳起来的主要因素是种兔年龄、种兔营养等方面。所以我们在长毛兔种兔的日常管理工作中，要采取针对性的有效应对措施，来趋利避害，减少不利因素影响。

There are many factors affecting the fecundity of long-haired rabbits, but the main factors are the age of breeding rabbits, nutrition of breeding rabbits and so on. Therefore, in the daily management of rabbit breeders, we should take effective measures to avoid disadvantages and reduce the impact of adverse factors.

(一)繁殖种兔的年龄

(1) Age of breeding rabbits

长毛兔种兔繁殖的年龄影响因素，应分为两方面讲，一是种兔年龄影响因素，二是种兔年龄的选配影响因素。

There are two factors influencing the reproductive age of rabbits: one is the age of rabbits, the other is the age of rabbits.

1.种兔年龄因素

1. Age Factor of Rabbits

选配长毛兔的更佳繁殖年龄为1~3岁。1岁之前，公、母兔虽已达到繁殖年龄，但尚未完全达到

The optimum reproductive age for long-haired rabbits is 1-3 years old. Before the age of 1, the male and female rabbits have reached the reproductive age, but they have not yet reached it completely.

成熟期，所以育种后出现受胎率低、产仔数少的现象。3岁之后，公、母兔已进入老年期，体质渐衰，育种后受胎率亦低，产仔数少，仔兔品质下降，仔兔死亡率高。

At maturity stage, the phenomenon of low conception rate and fewer litters appeared after breeding. After 3 years of age, male and female rabbits have entered the old age, their physique is declining, the fertility rate is low after breeding, the number of litters is small, the quality of young rabbits is declining, and the mortality rate of young rabbits is high.

2.年龄选配因素

2. Age Matching Factors

要根据与配公、母兔年龄进行合理选配。因为年龄与长毛兔的遗传稳定性有关，同一个体随着年龄的不同，所产后代品质也往往不同。如果年龄选配不合理，就会影响繁殖力，其所生产的后代品质也难保证。因此，长毛兔育种繁殖，应以年龄的不同而进行科学选配。以确保公、母兔育种所产后代，在生活力和生产性能等方面均有较高的水平。

Reasonable mating should be carried out according to the age of mating male and female rabbits. Because age is related to the genetic stability of long-haired rabbits, the quality of offspring produced by the same individual varies with age. If the age selection is unreasonable, it will affect the fecundity and the quality of the offspring it produces will be difficult to guarantee. Therefore, breeding and reproduction of long-haired rabbits should be scientifically selected according to different ages. To ensure that the offspring produced by male and female rabbit breeding have a high level of vitality and production performance.

(二)繁殖种兔的营养

(2) Nutrition of breeding rabbits

长毛兔与其他许多动物一样，繁殖群体需要合理的饲养管理，其日粮营养水平及体况是否合理和适中，对繁殖力影响非常大，在繁殖前一段时间内，要求日粮搭配合理，营养，繁殖群体体况良好，体质康健。

Like many other animals, long-haired rabbits need reasonable feeding and management. Whether their dietary nutrition level and body condition are reasonable and moderate has a great impact on fecundity. During a period of time before reproduction, it is required that the diet should be reasonable, nutritionally comprehensive, and the reproductive population is in good health.

如果繁殖群体的日粮营养水平过高，则易引起公、母兔过肥，造成脂肪沉积，影响母兔卵泡的发育和排卵，以及育种的受胎率。当然，如果繁殖群体的日粮营养水平过低或日粮营养不合理，导致繁殖群体体况不良，体质瘦弱，则对公、母兔的繁殖性能也会带来显着影响，受胎率下降，产仔数减少。

If the dietary nutrition level of the reproductive population is too high, it will easily cause overweight of male and female rabbits, resulting in fat deposition, affecting the development of follicles and ovulation of female rabbits, and the fertility rate of breeding. Of course, if the low dietary nutrition level or unreasonable dietary nutrition of the breeding population results in poor health and weak physique of the breeding population, the reproductive performance of the male and female rabbits will also be significantly affected, the conception rate will decrease, and the number of litters will decrease.

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