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What are the comprehensive utilization methods for fish processing by-products?
The fish heads, tails, minced meat, scales, skin, viscera, bones, and gall bladders left over from fish processing contain large amounts of protein, amino acids, trace elements, and vitamins. Using these protein resources, various deeply processed products can be made, including soluble edible fish protein powder, liquid fish protein feed, fish scale glue, fish skin glue, bone paste, fish protein calcium candy, bile pigment calcium salt, and bile salts. Comprehensive utilization of fish processing by-products can lower the cost of main products and increase the added value of aquatic products; it can also protect the environment, reduce wastewater and waste emissions, and achieve higher economic, ecological, and social benefits.
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Comprehensive Utilization Methods of Fish Fingerling Ponds During the Winter Fallow Period
Raising market-size fish: Using winter-fallow fingerling ponds to raise one season of market-size fish can both increase production and help ease the "summer shortage" in the aquatic product market. Because the rearing period is relatively short and temperatures are relatively low, the following techniques should be adopted: 1. Stock early, that is, stock immediately after the fingerlings are combined into ponds, so as to make full use of the growing period. Stocking rate is calculated at a maximum water depth of 2 m, generally 125-150 kg per mu. The stocking ratio is generally about 40% silver carp, about 10% bighead carp, about 30% grass carp and bream, and about 20% black carp and common carp.
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Comprehensive Utilization Techniques for Fish Fingerling Ponds During the Winter Fallow Period
Using Winter-Fallow Fingerling Ponds to Raise Marketable Fish Raising a crop of marketable fish in winter-fallow fingerling ponds can both increase production and help regulate the "summer shortage" in the aquatic product market. Because the rearing period is relatively short and temperatures are low, the following techniques should be adopted: 1. Stock early, that is, stock immediately after the fingerlings are concentrated in ponds, so as to make full use of the growing period. Based on a maximum water depth of 2 m, the usual stocking rate is 125-150 kg per mu. The usual stocking ratio is about 40% silver carp, about 10% bighead carp, about 30% grass carp and bream, and about 20% black carp and common carp. Stocked fish
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What are the uses of reeds? A comprehensive analysis of their utilization value
What are the uses of reeds?
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What are the comprehensive utilization methods for spent mushroom substrate residue?
Comprehensive Utilization of Spent Mushroom Substrate Residue
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Several Suggestions for the Comprehensive Utilization of Spent Mushroom Substrate
Several Suggestions and Recommendations for the Comprehensive Utilization of Spent Mushroom Substrate
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