For a long time, people have misunderstandings about breeding rabbits. They believe that the bigger the rabbit's weight, the better. When selecting rabbits for breeding, it is necessary to pay attention to the production performance (mainly the performance of meat production, such as daily weight gain, feed consumption, and meat yield, etc.), and also pay attention to the reproductive performance; for rabbits, If the breeding performance is not high, the past production performance (refers to the growing period of weight gain and feed consumption) is even higher, the use value is not great. Therefore, reproductive performance must be used as an important indicator when selecting seeds. Breeding rabbits should be selected from offspring of high-yielding breeders; the selected reproductive organs of rabbits are well-developed, male rabbits have large and well-distributed testes, high sperm motility, high density, strong sexual desire, and moderate fatness. The female rabbit has a large belly and a large number of nipples; the female and male rabbits with abortion, cryptorchidism, ovaries, or uterine hypoplasia and genital diseases are eliminated in time; and the conception rate is low, the litter size is small, the motherhood is poor, and the lactation is low. Rabbits with poor performance and reproductive difficulties should be eliminated in time.

In the breeding of rabbits, emphasis is placed on increasing nutrition, while neglecting moderate nutrition control. Rabbits, whether male or female, have greater body weight and lower fertility, manifested in: low fertility rate, low number of litters, slow postpartum physical recovery, short service life, small number of breeding fetuses, and fewer offspring provided . This requires the regulation of nutrition to be appropriate during the breeding process. It is necessary to adopt a cultivation strategy of "advancement of moderation after central control". The so-called "promoting" means that the puppies and young rabbits should raise the level of nutrition and promote development; the central control refers to the stage of the reserve rabbit (3 months old to early stage), and appropriately lower the nutritional level, especially the energy level; Refers to maintaining a moderate level of nutrition during the breeding season of rabbits to ensure proper body condition, vigorous energy, and high fertility.

The technical measures that should be used to increase fertility are the following:

To avoid inbreeding.

Timely mating: that is, mating in the mid-estrus of female rabbits, the highest rate of conception.

Adopt compounding and dual assignment: In the estrus phase, the female rabbit is mated with a male rabbit 2 or more times (usually at intervals of 4 hours), which is called compounding; if two male rabbits are mated with the same estrus female rabbit (Normally more than 15 minutes, less than 4 hours), called double match. Both methods can increase the fertility rate and litter size of female rabbits.

Appropriate blood distribution. For young females with fewer litter size, if the body condition is better, the mating rate can be equal to the number of litters within 24 hours after littering (test shows that the mating effect is best after 6-12 hours of mating). Higher.

If the female rabbit is previously mated and the body is not fully developed, then it will provide nutrition to the fetus while growing on its own during pregnancy. In this way, the fetus is more or less affected during the embryonic period.

After the birth of the pups, because the female rabbit has no experience of breeding, its motherhood and feeding ability to the pups may be worse. In this case, the offspring's development is affected; on the contrary, if the female rabbit does not advance, the body develops well, and the young rabbit has a strong metabolism, and the physique is strong, the nurtured rabbit does not differ from the subsequent ones. This kind of first child can be reserved.

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