After sexual maturity, the ovaries of female rabbits will mature a batch of follicles every other period of time, making them estrous. If they cannot ovulate without the stimulation of mating, these mature follicles will gradually shrink and degenerate under the synergistic effect of estrogen and progesterone. Later, the new follicles began to mature and oestrus, so that the female rabbit was always in the state of periodic oestrus. The heat of a cycle starts from the beginning of the previous heat to the beginning of the next heat. The estrous cycle of female rabbit is not fixed, and it is easy to be affected by the external environment, such as feeding, light, nutrition, weather, male rabbit effect, etc. Generally speaking, it is common for females to have estrus after childbirth and weaning. During lactation, oestrus is affected by lactation intensity and nutritional level. The estrus cycle of lactation is about 5-7 days, and each estrus lasts about 48 hours. Female rabbits should choose to mate in the breeding period, with a higher pregnancy rate; if female rabbits do not have estrus, forced mating, with a lower pregnancy rate. According to incomplete clinical statistics, the pregnancy rate of forced mating is between 10-50%.

　　在實際生產中，經常會有農場問，長毛兔產后多少天配種好？根據我的經驗，現在將在實際生產中用到的養殖模式如下，希望對廣大農場有所幫助:

　　In the actual production, often there will be farms to ask, how many days after the birth of long hair rabbit breeding good? According to my experience, the breeding mode that will be used in the actual production is as follows, hoping to be helpful to the vast farms:

　　一、血配

　　1、 Blood match

　　“血配”又稱頻密繁殖，即在母兔交配完成后3天內分娩。

　　"Blood matching" is also called frequency dense reproduction, which means that the female rabbits give birth within 3 days after mating.

　　優點:1、檢查情況容易，兔產后發情普遍，不需要光照或激素刺激;2. 輪胎年利用率高。缺點:1。這種交配方式，哺乳和懷孕可以同時發生，很容易使母兔體重下降，身體變差;2. 2. 泌乳對生殖性能有負面影響，導致產仔數減少;3.母兔淘汰率高。

　　Advantages: 1. It is easy to check the condition, and the oestrus is common in rabbits after childbirth, which does not need light or hormone stimulation; 2. The annual utilization rate of tires is high. Disadvantages: 1. This kind of mating mode, lactation and pregnancy can occur at the same time, it is easy to make the female rabbit lose weight and become worse; 2. 2. lactation has a negative impact on the reproductive performance, leading to a decrease in the number of offspring; 3. the elimination rate of female rabbit is high.

　　如果你想使用這種方法，你必須滿足以下要求:2. 兔媽媽的材料應該是高檔的，含有足夠的能量和蛋白質。3.儲備的兔媽媽可以自己飼養。

　　If you want to use this method, you must meet the following requirements: 2. The material of the mother rabbit should be high-grade, with enough energy and protein. 3. The reserve mother rabbit can be raised by herself.

　　二、產后12天匹配

　　2、 12 day postpartum matching

　　這種方法也被稱為半頻繁繁殖，即在雌性兔子分娩后12天內，在交配完成之前和之后。有的兔場在產后7-9天，有的兔場在產后18天，均屬于半頻密集繁殖，一般按兔群質量選擇。這種養殖方式，是目前規?；B兔場使用更多的養殖方式，也是筆者的主要養殖方式。

　　This method is also known as semi frequent reproduction, i.e. within 12 days after delivery, before and after mating. Some rabbit farms are 7-9 days postpartum, and some are 18 days postpartum. They are all half frequency intensive reproduction, generally selected according to the quality of rabbit population. This kind of breeding mode is the most widely used one in large-scale rabbit farms, and also the main breeding mode of the author.

　　優點:1.在這種交配模式下，雌兔的年出生數和產仔數是理想的。2、幼兔可在35天內斷奶，保證斷奶重量和斷奶成活率。缺點:兔媽媽在哺乳期發情不固定，需要反復檢查情況，工作量大。

　　Advantages: 1. In this mating mode, the annual birth and litter size of female rabbits are ideal. 2. Young rabbits can be weaned within 35 days to ensure weaning weight and survival rate. Disadvantages: the mother rabbit's oestrus is not fixed during the lactation period, which needs to be checked repeatedly, and the workload is heavy.

　　建議:采用這種配種方式來養殖兔場，可以配合使用燈光來激發熱量，減少查房的工作量，提高立柱的均勻性。

　　Suggestion: using this kind of breeding method to breed rabbit farm, we can use light to stimulate heat, reduce the workload of rounds, and improve the uniformity of columns.

　　三、斷奶后比賽

　　3、 Post weaning competition

　　斷奶后，飼養正常，即斷奶后3-5天。

　　After weaning, feeding is normal, that is, 3-5 days after weaning.

　　優點:1。兔寶寶斷奶后，兔媽媽發情規律強，不需要光照或激素刺激，易掌握;2. 信息核查工作量相對較小;3.兔媽媽體質好，利用時間長，淘汰率低;4、幼兔斷奶時間不限，確保幼兔斷奶體重和成活率;4、兔媽媽對飼料的要求不高，可以和商品兔一起吃一種材料(注意多放點花生)，管理簡單。缺點:每年輪胎數量少。

　　Advantages: 1. After weaning the baby rabbit, the mother rabbit has a strong estrus law, which is easy to master without light or hormone stimulation; 2. The workload of information verification is relatively small; 3. The mother rabbit has a good constitution, a long utilization time, and a low elimination rate; 4. The weaning time of the baby rabbit is unlimited to ensure the weaning weight and survival rate of the baby rabbit; 4. The mother rabbit does not have high requirements for feed. She can eat a kind of material together with the commercial rabbit (pay attention to put more peanuts), and the management is simple. Disadvantages: fewer tires per year.

　　以上是長毛兔廠家為大家介紹的相關內容，想要了解更多內容，歡迎訪問網站：http://www.whxfy.cn

　　The above is the relevant content introduced by the long haired rabbit manufacturer. To learn more, please visit the website: http://www.whxfy.cn