The physiological state of breeding female rabbits can be divided into three phases: empty period, pregnancy, and lactation. To improve the reproductive performance of reproductive female rabbits, appropriate breeding and management measures must be adopted according to their different physiological stages.
During the empty period, the female rabbit gives the rabbit a pair of eggs after weaning. This period is known as the off-season period and is also called the empty period. During this period, the main task of feeding and management is to restore the female rabbit's strength, to compensate for the large amount of nutrients consumed during lactation, and to make full preparations for accepting the new breeding breed. However, we must pay attention to this period can not raise the female rabbit too fat, once the ovarian deposition of fat, it will certainly hinder the development of egg cells and affect the normal reproductive function of female rabbits, resulting in infertility. Conversely, if the female rabbit is too thin, it will affect the normal secretion function of the pituitary gland that controls the growth of the egg, resulting in female infertility. From this we can see that controlling the status of female rabbits is an important part. When reproductive females are overweight or overweight, they need to adjust nutrition levels in a timely manner, or shorten and prolong the rest period appropriately.
The quality of the feeding and management of pregnant females during pregnancy will have a significant impact on the normal growth and development of the fetus, the number of births, the birth weight of the rabbit, and the amount of lactation after the mother's delivery. The main point of this period of feeding and management is to provide full price nutrition, strengthen nursing care and prevent miscarriage. After the female rabbit is pregnant, embryonic development can be divided into three periods, namely embryonic stage (1 to 12 days of pregnancy), prenatal stage (13 to 18 days of pregnancy), and fetal stage (19 to 30 days of pregnancy). It has been determined that during the development of the fetus, protein in the body increases with gestational age, and energy metabolism also gradually increases. For this reason, the need for nutrients for pregnant female rabbits is equivalent to 1.5 times that of usual. In particular, young females themselves continue to grow and develop, and they need to have sufficient nutrition, especially protein, minerals, and vitamins. During the feeding of pregnant female rabbits, feeding is also performed according to the condition of the female rabbit. If the female rabbit has a good body condition, it may not necessarily increase the feed amount of the concentrate before days of delivery, and some may also appropriately reduce the amount of the feed to prevent the mother rabbit from having too much postpartum milk. If the pregnant female rabbit has a poor body condition, it is not possible to reduce the material before giving birth. Instead, it is necessary to appropriately increase the feed amount of the concentrate.
In this period, we must guard against the miscarriage of female rabbits. Females are pregnant for 15 to 25 days and are prone to miscarriage. The staff must pay attention to keeping the female rabbit in a state of quietness, prevent frightened, cold, and thirsty winds. It is necessary to prevent the female rabbits from biting each other and the male rabbits from chasing the female rabbit to prevent the sewage from being used. The female rabbits who are pregnant for more than 15 days are to be raised in a single cage and try to avoid the female rabbit suffering from pregnancy.
It is necessary to pay attention to the preparatory work for the female rabbits before they reach labor. It is a normal physiological phenomenon that the female rabbit pulls the chest abdominal hair before labor, the pulling hair can stimulate the development of the mammary gland, the more the hair pulls, the better the lactation performance is. For unraised rabbits before birth, the abdominal hairs should be pulled down and put into nests by hand. At the same time prepare clean drinking water and some digestible food for the female rabbit.
To do a good job of post-natal care. After the birth of the female rabbit, the rabbit is jumped out of the nest box looking for drinking water after the rabbit is covered with hair. At this time, the rabbit can be gently taken out of the nest box, and the nest can be re-arranged, and the dirty hair and the stained grass can be sorted out and the clean soft grass can be added. Do a good job nest nest, count the number of rabbits, weigh the newborn nest and return it to the nest and cover the clean rabbit hair.
The lactating mothers gave birth to the weaning rabbits. The main task during this period is to ensure the health of the female rabbit and normal growth of the rabbit. Keepers must be aware of the amount of lactation produced by the female rabbit. Adult female rabbits typically produce 60-150 grams of milk a day, up to 300 grams. From the fifth day after childbirth, according to the lactation of the female rabbit, the amount of feeding and feeding times for the female rabbits should be increased. The feed normally fed to suckling female rabbits must contain 17% crude protein, and it should be fed with better green feed and juicy feed, with sufficient clean and warm water provided daily. During this period, special attention should be paid to the prevention of mastitis in the female rabbit. After giving birth, the female rabbit should be given 0.15 g of ground long-acting sulfathiazole and appropriate amount of baking soda in its feed or drinking water. During the entire period of breast-feeding, we must always maintain the cleanliness of the produce box, food containers, drinking water, and other utensils. We must do hygienic disinfection at any time, pay attention to ventilation, prevent air pollution in the house, and pay attention to keeping the female rabbit quiet.
If the female rabbit has excessive lactation or dry milk, take symptomatic treatment in time. When there is too much milk, it is necessary to reduce the fine material and the green and blue juicy feed, add hay and drink diluted salt water; if the breasts have accumulated milk, they can be used for cold dressing. For lactating female rabbits, it is necessary to appropriately increase the amount of feed containing lysine bean cake, fish meal, etc., or to feed more green and juicy feed.
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