What are the physiological characteristics of rabbits?

According to the body shape, it can be divided into large rabbits, medium rabbits and small rabbits. The big rabbit weighs about 5 ~ 8kg (some of them exceed 8kg), the middle rabbit weighs about 2 ~ 4kg, and the small rabbit weighs about 2kg. Generally speaking, the rabbit's body can be divided into four parts: head and neck, trunk, limbs and tail.

Body surface: coating, with heat preservation effect. Coat color: mostly white, black, gray, grayish white, taupe, grayish yellow, light khaki, some with flowers. Rabbit's teeth? Front teeth: suitable for cutting off food. Molar teeth: suitable for grinding food. The rabbit's tail is short and furry, and it will roll up like a ball, which is very cute. Exercise mode: jumping, the forelimbs of rabbits are shorter than the hind limbs, which is beneficial to jumping.

2. Head

The rabbit's head is very long, which is divided into facial area (in front of eyes) and brain, head and neck cranial area (behind eyes). The face area accounts for about 2/3 of the total length of the head.

Step 3: mouth

The rabbit's mouth is very short, with upper and lower lips, in which the upper lip is longitudinally split (also called gouges where whole pieces were missing), the front teeth are exposed, and the mouth edge has tentacles. The upper lip is split in the middle, which is a typical three-flap mouth, very cute. Besides having two protruding front teeth, the rabbit has 28 teeth.

4. Nose

The rabbit's nostrils are large and oval, and the inner edge is connected with the longitudinal fissure of the upper lip.

5. Eyes

The rabbit's eyeball is round, and the monocular angle of view is 180, so the rabbit sees with one eye. Different rabbit breeds, different coat colors and different eye colors.

6. Ears

The rabbit's ears are long and big, even exceeding the length of its head. There are also some kinds of rabbits with small ears and drooping. The shape, length and thickness of rabbit ears can also reflect the characteristics of this variety. For example, rabbits born and raised in China have short, thick, upright and large ears. ?

7. Mao (surname)

Rabbit hair can be shaved and sold. It is soft and delicate, and can be used to make clothes and so on.

Extended data:

Growth characteristics of rabbits

Rabbits have strong precocity, rapid growth and development, and grow rapidly in embryo and after birth. On day 10, the embryo weight of medium-sized rabbits was only about 7 mg, and reached 3.6 g on day 20. Birth certificate 50-55g. 30-day-old weighs 500 grams. The weight of 60-day-old rabbits can reach about 40% of that of one-year-old rabbits, 50-60% at three months, and basically reach the adult weight at eight months.

Rabbits are precocious, wool rabbits can be sheared at the age of months, and meat rabbits can be slaughtered at the age of 90 ~ 100 days. Wool fibers of long-haired rabbits grow rapidly after birth, reaching the annual growth length of sheep in three to four months, and reaching the standard length in 70 to 90 days after shearing.

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