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錦鯉的催產注射

注射前用魚夾子提取親魚稱重,然後算出實際需注射的劑量,就可進行注射。注射時,一人拿魚夾子,使魚側臥,露出注射部位,另一人注射。

注射器用5毫升或10毫升或獸用連續注射器,針頭6號-8號均可,用前需煮沸消毒。注射部位有下列幾種:

1)胸腔注射注射魚胸鰭基部的無鱗凹陷處,注射高度以針頭朝魚體前方與體軸呈45°-60°角刺入,深度一般為1釐米左右,不宜過深,否則會傷及內臟。

2)腹腔注射注射腹鰭基部,注射角度為30°-45°左右,深度為1-2釐米。

3)肌肉注射一般在背鰭下方肌肉豐滿處,用針順著鱗片向前刺入肌肉1-2釐米進行注射。

注射完畢迅速拔出針頭,並用碘酒塗擦注射口消毒,以防感染。注射中若親魚掙扎騷動,應將針快速拔出,以免傷魚。

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