What is a black grouse?
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March 16 12:23:41, 2021
The performance of crude protein in black grouse was 49.635.92% in digestibility, 48.284.61% in crude fat, and 67.4312.78% in energy consumption. Habitats Black hare chickens inhabit more forests or forest grasslands. In the winter in the Honghuaerji area, grasses - birch forests, grasses - Scots pine forests, grasses - larch forests, and riparian - willow forests are often selected. Production performance Black grouse 1 year of sexual maturity, but only 2 to 4 years to participate in breeding, a male and female system. The breeding season began in mid-April in the Saihanba area. In the early period, the roosters had obvious lap behavior. Mating took place in the early to mid-May period. Nesting before spawning. Nest site selection is not strict. In early May, spawning takes place one at a time, averaging 8.5 eggs per litter. Female chickens hatched and brooded individually. The incubation period was 24 to 25 days. The ecological hatching rate was 24.9%. The artificial hatching rate in this study reached an average of 61.0%, and the highest achieved 87.5%; the mortality rate of broodstock was high, and only the survival rate of 4 months old was 10.6%. It needs to be improved.