Why is the pig fed with dry material?
Many practices have proved that feeding lean food to pigs can seriously affect digestion and absorption, resulting in dry feces, red eyes, reduced defecation, reduced intestinal peristalsis and slow growth of pigs. Thus it can be seen that it is best for pigs to be fed with raw and dry powder, allow pigs to eat freely, and set up a trough for drinking water or heavy feed, with a feed-water ratio of 1 ∶ 1. This can prevent feed from freezing in winter and spoilage in summer, so that pigs can eat full and grow quickly.
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Mineral nutrition of pigs
It has been proved that there are more than 40 kinds of essential mineral elements in pigs, which can be divided into two categories: major elements and trace elements according to their content in pigs. Elements with a content of more than 50 mg / kg are major elements, which are mostly expressed by percentage content; elements less than 50 mg / kg are mostly represented by mg / kg. Pigs need at least 14 inorganic elements, including major elements calcium (Ca), phosphorus (P), sodium (Na), chlorine (Cl), potassium (K), sulfur (S), magnesium (Mg) and
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Introduction of improved breeds of Luoyun Ma Duck
Jinyun sesame duck is a famous local breed of egg duck in China, which is famous for its early maturity, high egg production, low feed consumption, strong disease resistance and wide adaptability. Appearance features: the body is light and narrow, the snake head is full of eyes, the mouth is long and neck is thin, the forebody is small and the rear body is large, the buttocks are plump and drooping, and when walking, the body extends forward at an angle of 45 °with the ground, the body structure is symmetrical, compact and sturdy, with a typical egg duck body shape. Among them: ◎ I (brown sesame duck) female duck is mainly brown freckled feathers, lighter belly color, yellow beak, orange chest and poof (red)
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