Angelfish, the British name Angelfish, scientific name Pterophyllum scalare, is a representative species of cichlid fish. The Cichlid fishes have a unique feature. They don't give birth to the next generation when they breed, and they have the nature to look after the next generation. However, during reproduction, angelfish are extremely fearful of disturbing. If they are disturbed during pairing and breeding, the tragedy of eating their own eggs or small fish may occur. Therefore, an environment that is not disturbed by external forces during reproduction is extremely important to them.
First, the choice of fish lovers Want to breed angelfish, the first job is to pick the natural paired broodstock. The selection of couple fish must take some time. Several females and males can be fed in one fish tank at the same time, and their behavior is always observed. If it is found that two fishes often swim in pairs and draw out the sphere of influence belonging to them, when other fish approach or break into their sphere of influence, they will force them to expel them, so it is probable that these two fish can be concluded. It has been paired with oneself and can be used as a breeding couple fish. After determining that the pair of angelfish have been paired, they can be moved to separate breeding troughs or removed from other unmatched fish to avoid the “new-marriage†“marriage†being disturbed by other fish. And it affects them to give birth to the next generation.
Second, the fertility environment in preparation for use as a spawning tank should be set spawning cylinder, its role is to allow the broodstock can produce eggs on it. There are egg-laying cylinders on the market for sale. They can also be replaced with hard plastic tubes, flower pots, etc., or they can be used as ovipositors. If no spawning device is provided, they will stick eggs to the tank wall of the fish tank. Prior to production, broodstock will be cleaned at their chosen spawning site and the contaminants on the spawning cylinder will be removed by mouth. Carefully observe the appearance of the fish, and if they find that their reproductive holes are prominent, they are precursors to be produced and will be produced within about two or three days. During spawning, the mother fish will first adhere eggs and eggs to the spawning cylinder (sticky eggs), and then the male fish will discharge semen on the eggs to complete the insemination work. The broodstock will then stay close to the fertilized egg and work together to care for the fertilized egg. They will use the pectoral and caudal fins to drive water near the fertilized egg, so that the flow of water near the fertilized egg is constantly renewal and with oxygen, and they will also pick themselves up if they encounter a whitened dead or sick egg. The number of eggs laid each time ranges from about three to four hundred grains to about one thousand grains, depending on the body shape and health status of the broodstock. The fertilized eggs hatch about two to three days. The newly hatched small fish has a yolk sac on its abdomen to provide the initial nutrition of the fish and its swimming ability is still poor. At this time, the brooding fishes join forces to guard the small fish, and occasionally there are small fish that are out of the group or stand alone, and the brooders will use the mouth to return them to their original positions. When the yolk sac of the small fish gradually disappears, and when it is possible to open the food (about one week after hatching), it is possible to feed Artemia larvae or other plankton as early feed. Special attention must be paid to the fact that, as mentioned above, brooders are strictly prohibited from disturbing external forces when taking care of fertilized eggs and small fish! If stimuli are disturbed, the broodstock may eat the fertilized eggs or small fish and cause the reproduction to be abandoned. And broodstock that have spawned or eaten will not be able to reproduce because they will eat their fertilized eggs or small fish again and again.
Third, the small fish to take care of small fish in the hatching week or so can begin to feed plankton feed, and at this time should always pay attention to changes in water quality and adequate oxygen supply, and give the right amount (small meals) of bait. Little fish are fed with plankton for about a month, and they have the appearance of common angelfish. At this time, they can slowly replace their food baits and change them into bait for adult fish. After careful care for feeding for five to six months, the fish can grow up.
IV. Other Precautions If the fertilized egg or small fish is eaten in order to prevent broodstock from being stimulated, the broodstock may be removed immediately after the egg is fertilized. The fertilized eggs obtained should be slightly disinfected with drugs such as methyl blue or malachite green in order to prevent the growth of aquatic mold or other pathogens. The sterilized fertilized eggs should be incubated in a high oxygen content, clean water in the incubation tank, and micro-water flow can also be given. At any time, attention should be paid to picking out dead eggs that are albino or sick eggs of S. serrata in order to avoid affecting other healthy fertilized eggs.
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