Koi fish (কই মাছ) আমাদের দেশে কই মাছ এখন বেশ দুস্প্রাপ্য হয়ে দাড়িঁইয়েছে। farming is very easy, popular and profitable. Koi is popular
fish to the people from the ancient time. Because it is a very tasty and
nutritious. Once upon a time koi fish found in a plenty in the canal,
small rivers, swamp, inundation land of Bangladesh. Koi fish is the most
popular and tasty fish among the all fish of Bangladesh. This fish is
also very precious nowadays. Koi fish is also known as climbing perch,
koi mach, anabas testudineus etc. It is a local fish breed of
Bangladesh. Koi fish is generally a freshwater fish. This fish can be
found in small rivers, canal and swamp. Nowadays commercial koi fish
farming in pond is very popular. Commercial farming method,
classification, benefits of Thai koi fish farming and care are described below.
Pond Selection and Management
It would be better if the pond situated in open air and sunshine place. Clean the bush of pond shore. Cut the branches if there any big trees in the shore and ensure 8 hours sunlight every day. Especially small pond is very suitable for thai koi fish farming. The perfect size of the pond is 20-30 shotok. Small sized pond are easily maintained. Ideal depth of the pond is 5-6 feet. Firstly remove the water from the pond and make it dry. Remove the excessive clay from the pond because excessive clay creates harmful gas. Use some sand for minimizing the amount of clay. Sand keeps the water clean and environment of the pond fresh.
It would be better if the pond situated in open air and sunshine place. Clean the bush of pond shore. Cut the branches if there any big trees in the shore and ensure 8 hours sunlight every day. Especially small pond is very suitable for thai koi fish farming. The perfect size of the pond is 20-30 shotok. Small sized pond are easily maintained. Ideal depth of the pond is 5-6 feet. Firstly remove the water from the pond and make it dry. Remove the excessive clay from the pond because excessive clay creates harmful gas. Use some sand for minimizing the amount of clay. Sand keeps the water clean and environment of the pond fresh.
Using Lime and Fertilizer
After making the pond dry use lime at the rate of 1 kg per shotok. Use 5kg dung per shotok after applying lime. After using organic fertilizer enter water to the pond. And after that spray 200g urea and 200g TSP per shotok by mixing with water. Relese the minnow of thai koi after 5-7 days of applying organic and chemical fertilizer. If it become not possible to make the pond dry then make sure that the pond is free from all types of cannibalistic fish and other animal. For this reason using rotenon is very effective. After removing aquatic weeds and cannibalistic fishes from the pond use 1kg lime per shotok and after 3-5 days of that use 5kg dung, 200g urea and 200g TSP per shotok. 5-7 days after applying the fertilizer to the pond release minnow when the color of the water will be slightly green.
After making the pond dry use lime at the rate of 1 kg per shotok. Use 5kg dung per shotok after applying lime. After using organic fertilizer enter water to the pond. And after that spray 200g urea and 200g TSP per shotok by mixing with water. Relese the minnow of thai koi after 5-7 days of applying organic and chemical fertilizer. If it become not possible to make the pond dry then make sure that the pond is free from all types of cannibalistic fish and other animal. For this reason using rotenon is very effective. After removing aquatic weeds and cannibalistic fishes from the pond use 1kg lime per shotok and after 3-5 days of that use 5kg dung, 200g urea and 200g TSP per shotok. 5-7 days after applying the fertilizer to the pond release minnow when the color of the water will be slightly green.
Feed Management
Thai koi is a very fast growing fish. For this reason ensure the sufficient supply of feed. Feed management can be done in two ways which are described below.
Thai koi is a very fast growing fish. For this reason ensure the sufficient supply of feed. Feed management can be done in two ways which are described below.
Rough Feed Management
For desired growth of koi fish the farmer must have the efficiency of rough feed management. This is the primary feed management system and mainly for poor fish farmer. In this system snail or oyster flesh, toad minnow, tripe or fishmeal (not regularly), rice dust, cake etc. can be used. Using at least one among the above mentioned feed and using other occasionally can bring good result. High quality rough feed can be made for thai fish by mixing 25% fishmeal, 30 rice dust, 25% cake, 20% roughage together.
For desired growth of koi fish the farmer must have the efficiency of rough feed management. This is the primary feed management system and mainly for poor fish farmer. In this system snail or oyster flesh, toad minnow, tripe or fishmeal (not regularly), rice dust, cake etc. can be used. Using at least one among the above mentioned feed and using other occasionally can bring good result. High quality rough feed can be made for thai fish by mixing 25% fishmeal, 30 rice dust, 25% cake, 20% roughage together.
Commercial Feed
For regular and commercial koi fish farming the farmer have to ensure sufficient supply of high quality pellet feed to get expected production. This pellet feed should contain 30-35% protein. If this feed is not available then lobster and shrimp feed can also be used for koi fish. The formula of making pillet for koi fish are described below.
For regular and commercial koi fish farming the farmer have to ensure sufficient supply of high quality pellet feed to get expected production. This pellet feed should contain 30-35% protein. If this feed is not available then lobster and shrimp feed can also be used for koi fish. The formula of making pillet for koi fish are described below.
If you like to see this fishes naturally then you have to pay a visit to Bangladesh. For more: Visit Here
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