state one demerit with composite fish culture system
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One problem with such composite fish culture is that many of these fish breed only during monsoon. Even if fish seed is collected from the wild, it can be mixed with that of other species as well. So, a major problem in fish farming is the lack of availability of good quality seed.
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1. Most of the fishes breed only during monsoon.
2. If all of them lay eggs at the same time, there will be a big problem to distinguish between those eggs.
3. There is a lack of good quality fish seeds available.
To overcome these problems, various ways have been worked out to breed these fish in ponds using hormonal stipulation.
Hope this helps!
2. If all of them lay eggs at the same time, there will be a big problem to distinguish between those eggs.
3. There is a lack of good quality fish seeds available.
To overcome these problems, various ways have been worked out to breed these fish in ponds using hormonal stipulation.
Hope this helps!
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