1, supplementary poultry to all sorts of vitamins, amino acids, nutrient requirements, improve drug-application growth rate, effectively improve the quality of poultry. Improve the feed conversion rate.
2, enhance egg weight, improve the eggshell quality.
3, can increase rate, delay poultry , cattle and sheep reproductive function decline, extend the egg laying peak.
4, disease recovery use this product, can quickly recover the body function.
5, such as Chinese medicine astragalus extract to join, can stimulate the body produce interferon, interference viral replication, improving the body immunity.
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Look at the head. The head of the duck is slightly smaller, resembling a water-snake head, long mouth, narrow neck, large eyes protruding and gods, bright and clever, high-yielding ducks; large heads, small eyes and no gods, thick necks and short ducks that are low in production.
Second look back. The duck back is wider, the chest is deeper and deeper for high-yielding ducks, and the duck back is narrower for low-yield ducks.
Three look at the body. Deep, long, and wide body are high-yield ducks; short and narrow bodies are low-yielding ducks.
Four to see feathers. Ducks are closely and meticulous, and elastic are high-yield ducks; feathers are soft and dull are low-yield ducks.
Five feet. With the portable duck neck, if the two feet stretch downward, and do not move, the high-yielding ducks are spread out in each toe; otherwise, they are low-yielding ducks.
"Four touches"
Touch the phalanges. High-yield ducks during the laying period have wide phalanx spacing, which can accommodate 3 to 4 fingers. Low-yielding ducks have narrow toe-to-bone spacing and can only accommodate 2 to 2.50 fingers.
Second touch the abdomen. High-yielding ducks are large and soft on the abdomen, plump and full of buttocks, and well-shaped structures; while low-yield ducks are small and hard, and their hips are not full.
Three touch the skin. High-yielding ducks have soft, elastic skin and less subcutaneous fat; low-yielding ducks have the opposite.
Four touch the anus. High-yielding ducks with high-yield produce a large cloacal cavity with a half-opening state, while low-yielding ducks have cloacas that are compact, wrinkled, and dry.
"Five Looks" and "Four Touches" to Identify High Yield Ducks
"Five Looks"