As an excellent skin (and meat) variety, Rex Rabbit is popular among friends of farmers because of its unique fur superiority, good seed quality and high price, and its market prospects are very promising. The author combines the actual work and related information, summarized on the aspects of its feeding and management, etc., for the reference of readers and friends.
1 Introduction
1.1 The origin and hybrid system originated in La Sarnt, France, also known as Lex Rabbit. After being discovered in 1919, it first appeared at the International Rabbit Exhibition in Paris in 1924. Later, breed rabbits spread around the world and cultivated many color types. Among the breeds used to breed Lex rabbits, there are mainly blue-violet rabbits, Alaska rabbits, blue-colored Baiferen rabbits, Vienna rabbits and standard white rabbits. At present, British standards have recognized 28 color types.
1.2 Variety Features Shape well-proportioned, full muscle, dense hair, about 12.8 ~ 20.3 cm long, strong and strong hair, touch soft feeling, hair peaks, uniform hair, hair does not protrude above, for excellent skin quality.
1.3 Colors The color shades of Lex's rabbits are mainly cyan blue, white, black seal, black ochre, blue mole, squirrel, and beaver. U.S. Rex rabbits have 14 standard coat colors. They are: Black, Blue, “Crepeâ€, California White, Beaver, Cyan Blue, Chocolate, Lilac, Pied, Milky, Red, Black, Also leopard and white.
2 breeding points
Rex rabbits can breed all year round, with an annual output of 6 to 8 tires. The average litter size is 5 to 14 per litter. About 30 days of gestation, the lowest female weight is 3.6 kg and the lowest is 3.1 kg.
2.1 The estrus performance The female rabbit showed no love of eating, was restless, and often leaped, jumped, or even crawled across other female rabbits. The vulva is swollen and moist, the vulva is red, and the amount of mucus secreted increases. If male rabbits try, the female rabbit will actively approach the male rabbit and allow it to climb.
2.2 Mating Methods The estrus female rabbits are placed in male rabbit cages to allow male rabbits to mate within their cages. Conversely, male rabbits have reduced libido, which affects female fertility and litter size. The female rabbit ovulates after being bred by male rabbit sperm after mating. Therefore, in order to improve the conception rate and guarantee the breeding effect, it is necessary to make one compounding about 5 hours after the first mating.
2.3 The symptom of female labor and management of the female rabbit before the childbirth, there will be nesting phenomenon, such as the nest grass nest and tearing hair, etc., while the performance of disturbed, shaking ears. The female rabbits have a shorter delivery time, generally only 20 to 30 minutes after the birth. Observe during childbirth to avoid dystocia. For difficult-to-female female rabbits, a thorough and careful examination must be carried out, and midwifery should be performed in a timely manner. Oxytocin can be given depending on the circumstances. After giving birth, the female rabbit will have thirst, and it is necessary to feed sweet water or a little fresh and juicy green feed in time to avoid the female rabbit consuming the neonatal rabbit due to thirst.
3 Feeding management
3.1 Guaranteed feeding with a reasonable feed, require non-toxic, no mold, no strange taste.
3.2 Strict management, adhere to the regular disinfection of the pens, timely vaccination, keep the pens quiet, as early as possible according to age and feeding purposes.
3.3 Do the house clean, dry, well ventilated, suitable temperature, keep warm in winter, the temperature of the house is 18 °C.
4 Common disease prevention in rabbits
Normal Rex rabbits have good spirits, flexible ears, olfactory sense, bright eyes, quick response, coordinated movement, even breathing, normal weight, and shiny fur. The sick rabbits showed apathetic, sagging ears, lying unmoved, walking cramps, and reduced appetite.
4.1 Coccidiosis Symptoms and coccidiosis often occur in warm and humid seasons, mainly affecting young rabbits aged 1 to 4 months. The sick rabbits are manifested as apathetic, loss of appetite, slow action, increased secretion of eye and nose and saliva, anemia, weight loss, diarrhea and constipation alternately, anus and surrounding, limbs are contaminated with faeces, sometimes bloody stools, abdominal enlargement, bowel full of gas In severe cases, limb paralysis occurred, convulsions, screams, and rapid death. Chlorophenyl hydrazine, coccidiosis powder and Witness ball can be used for treatment. The treatment effect of the disease is generally poor, mainly in prevention.
4.2 Symptoms and prevention of rickets: The ear, nose, and mouth are first swollen, pus, and scab, then spread to the body, causing inflammation and death. Rabbits showed severe uneasiness, with toes scratching, mouth biting or rubbing to achieve itching purposes. The affected area has a series of phenomena such as nodules, blisters, and local hair loss. Serious death due to anemia, wasting and exhaustion. The disease is highly contagious and found that the diseased rabbit should be treated in isolation and disinfected accordingly. Treatment can be used in addition to 0.2 mg/kg body weight of indiectin subcutaneously or orally, but it can also be applied to the affected area.
4.3 Gastrointestinal symptoms and prevention and control of gastroenteritis are mostly caused by sucking rotten-colored feed or grasses with dew, and in addition, too wet can cause gastroenteritis. It manifests as loss of appetite, apathy, diarrhea or constipation, and eventually collapses. When the onset can be used oxytetracycline or furazolid according to the instructions to replace the materials fed 2 ~ 3 d.
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