OUT-OF-SEASON SPAWNING OF CULTURED IDE (LEUCISCUS IDUS L.) UNDER CONTROLLED CONDITIONS

作者: Katarzyna Targońska-Dietrich , Andrzej Mamcarz , Roman Kujawa , Dariusz Kucharczyk , Tomasz Zielazny

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摘要: ABSTRACT The comparison of out-off-season spawning two cultured ide stock were examined. obtained results show, that is possible to reproduced a few months before their natural season. Generally, the percentage spermiation and ovulation was very high, as well spawners survival. biological quality gametes higher in at ponds, than from fish under controlled conditions. One females conditions ovulated without hormonal stimulation (control group). oocytes collected this much lower hormonally stimulated fish. Key words: artificial spawning, Leuciscus idus , reproduction, spawning.. INTRODUCTIONThe development civilization has contributed modification water environment by building-up rivers bringing significant amounts contaminants into them. This state matter caused some serious inconvenience for existence reproduction Research conducted recently polish show changes species fauna. It applies especially rheophylic [20, 25]. Ide (

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