Spotted silver carp, white silver carp and shrimp intercropping method
A technology for silver carp and silver carp, applied in the field of fish and shrimp farming, can solve the problems of low fish and shrimp production, large environmental pollution, and poor economic benefits, and achieve the effects of reducing breeding risks, strong anti-risk capabilities, and improving quality
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Embodiment 1
[0016] Silver carp, silver carp and shrimp are mixed in a fish pond of 70 mu. In the early stage of breeding, a large amount of plankton is cultivated with Zhonghua Pei water as bait, and water nutrients are added to the water body every 3 days during the breeding process. Put 50 silver carp per mu, 30 silver carp per mu, 2,000 giant giant rosenbergii per mu, and 20,000 vannamei shrimp per mu. The transparency of the water body is controlled at 28 cm. Feed silver carp with small pellets of extruded feed. In the middle and late stages of the culture stage, some shrimp feed is used for culturing Macrobrachium rosenbergii. The cost of breeding a catty of silver carp is 2 yuan, a catty of silver carp is 1 yuan, a catty of Macrobrachium rosenbergii is 4 yuan, and a catty of vannamei is 2 yuan. The profit per mu is 6,000 yuan.
Embodiment 2
[0018] Silver carp, silver carp, and shrimp are mixed in a 60-acre fish pond. In the early stage of breeding, a large amount of plankton is cultivated with Zhonghuapei water as bait. During the breeding process, water nutrients are added to the water body every 8 days. Put 300 silver carp per mu, 60 silver carp per mu, 5,000 giant giant rosenbergii per mu, and 30,000 vannamei shrimp per mu. The transparency of the water body is controlled between 25 cm and 32 cm. In the middle and late stages of the breeding stage, small-grained extruded feed was used to feed silver carp. Shrimp feed is used to accelerate the growth rate of Macrobrachium rosenbergii and Penaeus vannamei in the middle and late stages of the culture stage. The cost of breeding a catty of silver carp is 2.2 yuan, the cost of a catty of silver carp is about 0.8 yuan, the cost of a catty of Macrobrachium rosenbergii is 4.5 yuan, and the cost of a catty of vannamei is 2.2 yuan. The profit per mu is 7,000 yuan.
Embodiment 3
[0020] Mixed breeding of silver carp, silver carp and shrimp in a fish pond of 80 mu. In the early stage of breeding, a large amount of plankton was cultivated with Zhonghuapei water as bait. During the breeding process, water was put into the water body every 3-8 days Nutrients. Put 200 silver carp per mu, 50 silver carp per mu, 4,000 giant giant rosenbergii per mu, and 25,000 vannamei shrimp per mu. The transparency of the water body is controlled at 30 cm. Feed silver carp with small pellets of extruded feed. In the middle and late stages of the breeding stage, some shrimp feed is regularly put in to accelerate the growth rate of Macrobrachium rosenbergii and Penaeus vannamei. The cost of breeding a catty of silver carp is 2.5 yuan, the cost of a catty of silver carp is about 1.1 yuan, the cost of a catty of Macrobrachium rosenbergii is 4.8 yuan, and the cost of a catty of vannamei is 2.5 yuan. The profit per mu is 8,000 yuan.
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