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Prevention and Treatment of Complications Such as Enteritis and Gill Rot in Grass Carp Fingerling Culture
Symptoms The diseased fish swim slowly and have reduced appetite; the scales on the fish body are basically intact; there are one or several varying furuncles on both sides of the dorsal fin, which feel relatively soft to the touch and have a swollen sensation, and when the furuncles are cut open, purulent and bloody fluid flows out; the anus is slightly red and swollen; the gill filaments are red and swollen, with
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Prevention and Treatment Methods for Liver Disease in Grass Carp Farming
1. Main Functions of the Liver The liver of the grass carp is located in the abdominal cavity and is the largest digestive gland. It is roughly divided into left and right lobes; the right lobe is larger, extends to the first bend of the intestine, and occupies the entire space of the first bend. The liver is mainly composed of hepatic lobules, and within the liver tissue
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Prevention and Treatment of Muscle Opacity Disease and Cramp Disease in Whiteleg Shrimp Farming
Muscle opacity disease: Causes: Sudden temperature changes are the main cause, whether the temperature is too high or too low; Vibrio infection or sporozoan parasites in the muscle. Symptoms: The muscle of the last one or two abdominal segments turns white and loses its transparency; in individual diseased shrimp the whole body turns white, and microscopic examination shows the whitened muscle is already necrotic, with disordered muscle fibers and indistinct striations.
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Prevention and Treatment Methods for Several Gill Diseases in Whiteleg Shrimp (Litopenaeus vannamei) Farming
1. Gill disease caused by Vibrio. Diseased shrimp float and swim slowly on the water surface, with gill filaments slightly swollen and dark gray, showing degeneration and necrosis at the tips. Under high magnification, actively motile bacterial cells can be seen. Ponds where this disease occurs have severely polluted bottom sediment and poor water quality, and the disease peak season is from July to September.
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Methods for Preventing and Treating Self-Biting Feather Disorder in Hwamei Breeding
(1) Causes of self-biting feather disorder in hwamei: The main causes of self-biting feather disorder in hwamei birds: ① The hwamei is a bird that loves cleanliness very much, and the vast majority love bathing (also called washing). If the hwamei is not bathed on time or regularly, if the cage is not cleaned frequently, if the sand grains in the sand tray are not replaced, if the birdcage and cover cloth are not cleaned frequently, and if there are prolonged rainy days and other such reasons, then lice or mites will breed on the hwamei. Lice and mites parasitize the surface of the hwamei's body, and the entire skin will be affected, causing the bird's skin to itch and bleed. The hwamei is “helpless” against the lice and mites breeding on its body, so it has no choice but to bite its feathers to stop the itching and bite its feathers to “vent its anger.” ② Because the hwamei has long been imprisoned in a cage, or has long been ignored and neglected by people, it is lonely all day and has no choice but to protest to its owner by biting its own feathers. Keeping a hwamei is not only for appreciating its fighting, but also for appreciating its beautiful feathers. Bald or messy feathers are really not beautiful, so how can its ornamental value even be discussed? ③ Some hwamei develop self-biting feather behavior because the bird keeper fed them feed ingredients such as caoguo and star anise. ④ Some hwamei develop self-biting feather behavior because their food lacks a certain trace element for a long time.</p><p></p><p>(2) Symptoms of self-biting feather disorder in hwamei: Tail feathers and wing feathers are incomplete and falling off, curled and uneven, or of uneven length, or the feathers have already been pulled off and bitten to pieces. The tail is bald or there are no wing feathers, and the exposed areas are red, swollen, and inflamed.</p><p>(3) Methods for preventing and treating self-biting feather disorder in hwamei: Once a hwamei develops self-biting feather disorder, carefully and thoroughly analyze the cause and treat it according to the symptoms. For example: ① Bathe the hwamei on time, and regularly clean the birdcage, sand tray, and cover cloth. Once lice or mites are found on the bird, immediately adopt a method of treating both internally and externally to eliminate them. Insecticides such as Baichongling can be sprayed on the birdcage, sand tray, and cover cloth to eliminate external mites; use disinfectant diluted with water or water boiled with local tobacco stems to bathe the hwamei and eliminate the lice and mites on its body. Adjust the concentration of the local tobacco stem water as appropriate, and bathing 2 to 3 times is enough. If the hwamei's skin is already red, swollen, and inflamed, grind Zailin or Yinqiao tablets (powder) into powder, put it into the water cup, and let the bird drink it for 3 days, which can reduce inflammation and relieve pain. ② If the self-biting feather disorder is caused by the hwamei being neglected, immediately set aside time to play with the bird, persist in walking the bird every day, and give the bird the opportunity to move outdoors or in nature to relieve its loneliness. ③ Analyze the feed the hwamei has eaten recently to see whether it may be lacking a certain trace element or whether it has been fed foods such as caoguo. If no lice or mites have bred and walking the bird has been maintained, then it must be a feed problem, and the feed formula should be revised promptly or another feed should be substituted.</p>
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Methods for Preventing and Treating External Parasitic Diseases in Hwamei (Chinese Thrush) Breeding
I think many people are familiar with the hwamei. It is actually not especially cute in appearance, but because it has a line of white feathers above its eyes resembling an eyebrow, people named it the hwamei. The hwamei has excellent ornamental value, and many people who like keeping
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How to prevent and treat head-turning disease, two-foot jumping and head-tossing disease in captive hwamei
Head-turning disease, two-foot jumping and head-tossing disease in the hwamei all belong to the same type of illness. Therefore they are discussed together. (1) Causes of head-turning disease, two-foot jumping and head-tossing disease in the hwamei: 1) The hwamei living in nature originally does not toss its head; it is because after being kept in a cage, its living environment has fundamentally changed, and especially because of man-made fright, the hwamei repeatedly makes the motion of starting to run and fly in the cage, and over time it develops the strange habit of head-tossing or head-turning. 2) After a wild bird enters the cage, it is fed too much food, and the cage cover cloth is sealed too tightly, so the bird does just one thing all day long, namely jumping about looking for a way out, and after a long time it develops this kind of illness. 3) When people take birds out for a walk, they often hang them in relatively high places, and below them people or animals often walk about, which makes the bird feel afraid and leaves it with this kind of strange habit.
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Prevention and Control Methods and Technical Key Points for Feather-Pecking Disorder in Captive Hwamei Birds
The so-called hwamei feather-pecking disorder refers to a small number of hwamei birds during ordinary keeping that, due to various causes, bite off their own tail feathers, wing feathers, back feathers and so on, one by one (sometimes called self-biting disease), so that the tail feathers are sometimes pulled until they are bare and sparse, curled
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Methods for the Prevention and Treatment of Fowl Cholera in Hwamei Breeding
1. Cause Cholera, also known as pasteurellosis or hemorrhagic septicemia, is an acute septicemic infectious disease caused by Pasteurella multocida. The bacteria exist both in sick birds and in healthy birds. When a bird's resistance declines due to malnutrition, the bacteria
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Common Winter Disease Prevention and Treatment Methods for Freshwater Piranha
In winter, when the water temperature is between 15°C and 20°C, juvenile freshwater piranha are prone to Ichthyophthirius disease, white skin disease, and Dactylogyrus disease. During overwintering, freshwater piranha are prone to saprolegniasis, water mold disease, and Trichodina disease. The symptoms and prevention and treatment methods for these diseases are introduced below
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