In late autumn and early winter, the climate becomes unpredictable, with fluctuating temperatures and a significant temperature difference between day and night. At the same time, daylight hours gradually decrease. If the living environment isn't properly managed, rabbits may experience reduced fertility, poor breeding performance, or even reproductive failure. To prevent this, it's essential to maintain a stable indoor climate. The ideal temperature range should be between 15°C and 25°C, and the lighting period should last at least 12 hours daily. If natural light is insufficient, artificial lighting should be used to create a suitable environment that supports healthy reproduction in rabbits.
During this season, rabbits also go through a shedding phase, which increases their energy requirements. If their diet lacks sufficient protein and nutrients, their overall health can weaken, negatively affecting their reproductive capabilities. Therefore, it's crucial to provide a well-balanced and nutrient-rich diet. The protein content in their feed should exceed 18%, with special attention given to sulfur-containing amino acids like methionine and cysteine. These nutrients help restore the rabbits' physical condition and prepare them for breeding more effectively.
Some individual rabbits may suffer from reproductive issues, such as low libido in males or lack of estrus in females, along with repeated infertility. These problems should be addressed based on the specific circumstances of each rabbit.
For male rabbits with poor sexual drive and low mating efficiency, increasing physical activity, exposing them to sunlight, and offering vitamin-rich foods like carrots and barley malt can be beneficial. Oral supplements such as propionic acid testicular tablets (one tablet three times a day, every 3–5 days) may also help. Additionally, feeding half an egg yolk twice a day, every two to three days, can enhance their libido and sperm production. It's also important to manage mating frequency—especially during moulting periods. Mating should occur one or two times a day, preferably on warm midday hours. Avoiding excessive mating transitions helps maintain their sexual desire and mating ability.
For female rabbits that fail to show estrus or experience repeated infertility, improving nutrition, regulating environmental conditions, and supplementing with vitamin E are key. Feeding them malt and goji berries can stimulate estrus. In cases of repeated infertility, after ruling out any obstetric issues, methods like re-breeding or re-insemination can improve conception rates and litter size. It’s also vital to mate them only when they are in estrus, which is indicated by a swollen and slightly moist vulva. Otherwise, breeding efficiency will suffer.
In conclusion, when dealing with low fertility in rabbits, it's essential to identify the root cause and take appropriate measures. Relying on luck won’t solve the problem. A practical approach, balanced nutrition, and improved physical condition are the best ways to ensure healthy and successful breeding.
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