Tag: aquatic plants

Biological recycling of pond weeds in fish farms

Photo credit: Mustafa Koweka (Syria) Review: Abdel Rahman El Gamal (Founder of the website) The photo shows a group of cattle while grazing weeds grown on the dykes of fish ponds. The shown practice is a type of biological control of unwanted plants in fish ponds in which cattle acquire a part of their daily …

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Permanent link to this article: https://fishconsult.org/?p=15340

Mechanical control of aquatic plants in fish ponds

Both photos show the cut-plants which resulted from mechanical devices whether mechanized cutters in Egypt or handy cutters in Mexico. Regardless the place, the same rules apply as long as the weed cutting is done in the presence of fish stocks. The effectiveness of weed cutting is only achieved when all cut weeds are immediately …

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Permanent link to this article: https://fishconsult.org/?p=11649

Harvesting and sexing of grass carp (Ctenopharyngodon idella) broodstock (Egypt) – Video

This video presents the harvesting and sexing grass carp (Ctenopharyngodon idella) broodstock prior to the artificial spawning of grass carp. Since mid 1990s, the use of herbicides in the River Nile and irrigation canals has been banned in Egypt. Instead, grass carp has been used as the biological control agent for aquatic plants. This video …

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Permanent link to this article: https://fishconsult.org/?p=3669