粘连 发表于 2025-3-26 23:01:30

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Femish 发表于 2025-3-27 03:29:30

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GRILL 发表于 2025-3-27 08:13:10

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CLOWN 发表于 2025-3-27 12:38:28

Fingerling and Food-Fish Production in Ponds uneconomical if there is no market for the fish or if variable operating costs (particularly feed cost) are high. The proper industry infrastructure is necessary for profitable production of channel catfish.

积习已深 发表于 2025-3-27 13:54:01

Feeds and Feeding Practices prudent catfish producer should select the appropriate feed for a specific culture system and use it in a manner to ensure efficient conversion of feed to fish flesh. The following sections on feeds and feeding practices, although based on the best available information, are intended only as guidel

修改 发表于 2025-3-27 21:12:22

Alternative Culture Systemsomotional material concerning various systems for intensive culture of fish, be cautious, exercise common sense, and be aware that production data presented for a particular system are often extrapolated from small-scale production trials and do not necessarily reflect production in commercial-size

Complement 发表于 2025-3-27 23:27:20

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SMART 发表于 2025-3-28 05:12:50

How to Describe a Pollen Grain, prudent catfish producer should select the appropriate feed for a specific culture system and use it in a manner to ensure efficient conversion of feed to fish flesh. The following sections on feeds and feeding practices, although based on the best available information, are intended only as guidel

Serenity 发表于 2025-3-28 08:57:39

https://doi.org/10.1007/978-3-211-79894-2omotional material concerning various systems for intensive culture of fish, be cautious, exercise common sense, and be aware that production data presented for a particular system are often extrapolated from small-scale production trials and do not necessarily reflect production in commercial-size

紧张过度 发表于 2025-3-28 11:34:54

https://doi.org/10.1007/978-3-662-02048-7Channel catfish were originally native to Mexico and states bordering the Gulf of Mexico as well as states within the Mississippi Valley. The species has been introduced throughout the United States and in many other countries during the past century; thus the channel catfish is widely distributed.
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查看完整版本: Titlebook: Channel Catfish Farming Handbook; Craig S. Tucker,Edwin H. Robinson Book 1990 Springer Science+Business Media New York 1990 bacteria.biolo