Feed for black carp in breeding season
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- JINAN CAVIN BIOTECH
- Publication Date
- 2015-01-21
- Estimated Expiration
- Not applicable · inactive patent
Smart Images
Figure 1
Abstract
Description
technical field
[0001] The invention relates to the field of feed, in particular to a breeding herring feed. Background technique
[0002] Herring is a fish with a green color, mainly distributed in the plains south of the Yangtze River in my country, and relatively rare in the north of the Yangtze River; it is an important fishery resource in the middle and lower reaches of the Yangtze River and lakes along the river and the main breeding object in lakes and ponds , is one of the "Four Great Fishes" in freshwater farming in my country, and herring grows the fastest among the "Four Great Fishes". Jiangxi Hukou herring grows fastest at the age of 1 to 4, with an average annual weight gain of more than 3.7 kg at the age of 5 to 6. The average annual weight gain of male fish is about 1 kg less than that of female fish, so more and more of them are farmed. They need more nutrition during the breeding period, and their physique is weak during the breeding period, so they are vuln...