如何維持一個品系 - 魚
By Isla
at 2009-06-13T00:48
at 2009-06-13T00:48
Table of Contents
這篇來談談如何維持一個孔雀魚品系 :)
以下文章內容 是許多前輩教授還有加上我自己的經驗 歡迎討論 請勿轉載 謝謝 :)
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很多人養孔雀魚 就是讓一群魚在缸子裡面不停的交配 很少加入新血
不是讓同齡的魚自交 就是讓一整缸不分年紀的亂交 Orz
如果要維持一個品系的話,簡單的做法有兩種:
強調一下,前提是:你很喜歡你手邊的魚 而且你希望之後的魚都接近這個型
一、反交
使用的時機:手上有一對你非常喜歡的孔雀魚親魚
從親魚的子代中挑出你最喜歡的小公魚在三個月齡的時候,捉去配牠的媽媽。
為什麼不拿爸爸配女兒呢?因為爸爸可能年紀大了,比較不會追小母魚了
還因為公魚通常比母魚早定型,很多母魚在生完第一胎之後,尾型都還會再長。
這樣子反交生下來的子代會把你想要的魚成數拉高。
這是比較容易的一種做法,但近親交配多代,還是不太好的。
二、新血
使用時機:任何時機 XD 因為是加入沒有血緣關系的魚
這邊以全紅白子為例,補色為其目的。 (如果是要改尾型 就把補色改成尾型)
先把手邊這一線全紅白子稱為A系統,然後去找一隻顏色很髒的野生全紅公魚(B公)。
因為母魚是決定下一代長的怎麼樣很重要的因素,而且這個範例是要達到補色的目的。
所以挑一隻A系統裡面,自己最滿意的母魚。
生下來的子代會有多種表現,我們只要注意以下幾種:
a (補色很滿、比較像A系統的小魚)、b (補色很滿、比較像B系統的小魚)、
c (補色很滿、AB都像的小魚)、 d (補色很滿、兩種都不像的小魚)
因為目的為補色,所以補色不佳的就不列出。
如果你的目的只是要補色,就可以四種小魚自交,偶爾再加入新血補色。
如果你就是想要A系統的型,這個時候,請繼續下面的做法。
挑a系統裡面補色最滿的野生色小公魚,跟同系統的野生色小母魚自交。
生出來的子代,挑出一隻補色很滿的野生色小公魚,跟a系統補色很滿的白子母魚做交配。
至於其他用到的魚,我都不會留,除非也跑出了我還蠻喜歡的樣子。
這種錯線的做法,至少要做個兩次,才會比較穩定一些。
講了這麼多~不知道 有需要的人看懂了嗎 :)
這些是簡易的做法,當然前輩們都還有很多很精細的做法囉。
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Tags:
魚
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