In late autumn and early winter, the weather becomes increasingly unstable, with fluctuating temperatures and significant temperature differences. At the same time, daylight hours gradually decrease. If the living environment is not properly managed, rabbits may experience reduced fertility and breeding performance. To ensure their health and reproductive success, it's essential to maintain a stable indoor temperature between 15°C and 25°C, and provide at least 12 hours of light per day. If natural light is insufficient, artificial lighting should be used to create an optimal environment that supports normal reproduction in rabbits.
During this period, rabbits also go through a seasonal shedding phase, which increases their energy needs. If their diet lacks sufficient protein and nutrients, their overall health can weaken, negatively affecting their reproductive abilities. Therefore, it's important to provide a well-balanced and diverse diet with more than 18% protein, particularly including sulfur-containing amino acids like methionine and cysteine. These nutrients help rabbits recover their physical condition and prepare for breeding.
Some individual rabbits may suffer from reproductive issues, such as low libido in males or failure to come into heat in females. Each case requires a tailored approach. For male rabbits with poor sexual drive and low mating ability, increasing physical activity, exposing them to sunlight, and offering vitamin-rich foods like carrots and barley malt can help. Oral supplements such as propionic acid testicular tablets (one tablet three times daily, every 3–5 days) and egg yolk (half a tablet twice daily, every 2–3 days) may also improve their fertility. Additionally, managing mating frequency—especially during moulting—is crucial. Mating should be done once or twice a day on warm afternoons, and avoiding over-mating helps maintain their sexual desire and performance.
For female rabbits that fail to show estrus or experience repeated infertility, improving nutrition, adjusting environmental conditions, and supplementing with vitamin E can be beneficial. Feeding them malt and goji berries may help stimulate estrus. In cases of repeated infertility, excluding any underlying obstetric issues and using techniques like cross-breeding or re-mating can increase conception rates. It’s also vital to mate them only when they are in estrus—when the vulva is swollen and moist—to maximize breeding efficiency.
In summary, if rabbits have low fertility, it’s important to identify the root causes and take appropriate actions. Relying on luck won’t solve the problem. A practical approach, proper nutrition, and improved physical condition are key to ensuring healthy and productive breeding. By addressing each factor systematically, rabbit breeders can enhance reproductive success and maintain a healthy herd.
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