Why do sheep suck milk on their knees?

The lamb kneeling on the sheep is controlled by genetic material, which is an innate behavior. Sheep are born and have nothing to do with filial piety and gratitude.

Innate behavior is determined by the genetic material in animals, which is the genetic feature of this species. You don't need to learn from the day after tomorrow, and you are born with a behavioral ability, which can be expressed through neuroregulation or hormonal regulation under appropriate conditions.

When a bitch loses her young, her instinct to feed her offspring will not disappear, and she will caress and nurse her kitten as her own offspring. Penguins that throw eggs will hatch pebbles into penguin eggs and so on. In addition to special heredity, this behavior is also related to some physiological maturity, such as prolactin secretion by pituitary gland.

Extended data:

Sheep are full of treasures, especially fur. Making sheepskin mattresses with sheepskin has become an industry that drives economic development. Sheepskin mattresses are widely used. Short hair can be used as shoe lining, long hair can be used as car backrest, and beach sheepskin can be used as clothing, bedding and so on. Wool can be made into felt, cashmere, wool, cashmere clothing and so on.

Sheep is one of the common domestic animals, which has been raised in China for more than 5000 years. Sheep is a treasure, and its fur can be made into all kinds of wool and leather products. Sheep can play its unique role in medical treatment. Mutton, sheep blood, sheep bone, sheep liver, goat milk, sheep gall, etc. Can be used for treating various diseases and has high medicinal value.

Baidu encyclopedia-lamb kneels and milks

Baidu Encyclopedia-Baidu Encyclopedia-Innate Behavior