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What is yellow fat disease in pigs? A detailed explanation of causes, diagnosis, and prevention and control methods
1. The concept of yellow fat disease in pigs. Yellow fat disease in pigs is a pigmentation disorder characterized by a yellow appearance of the pig's adipose tissue, commonly known as "yellow fat," and sometimes also called yellow fat disease or nutritional panniculitis. In pork whose subcutaneous fat turns yellow after slaughter, if it is caused by feed it is called "yellow fat pork," and if it is caused by disease it is called "jaundice pork." 2. Causes of yellow fat disease in pigs. There are mainly 2 causes that induce yellow fat disease in pigs: one is pathological, called jaundice, which includes parenchymal jaundice, obstructive jaundice
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Control Methods and Technical Key Points for Soft-shelled Turtle Diseases
Soft-shelled turtles have strong adaptability and resistance, and diseases rarely occur in farming production; however, improper feeding and management can also lead to disease. Common soft-shelled turtle diseases include: Red Neck Disease, caused by Aeromonas bacteria. The main symptoms are loss of appetite, sluggish movement, red and swollen congested neck that extends and cannot retract, red spots appearing on the abdomen, sometimes floating on the water surface, sometimes crouching on sandy ground. In severe cases, bleeding from the mouth and nose, intestinal inflammation and putrefaction, generalized redness and swelling, cloudy white eyes with blindness, enlarged liver and spleen, and
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Autumn Prevention and Control Methods for Fish Fulminant Hemorrhagic Disease
Fish are prone to fulminant hemorrhagic disease in autumn. This disease has a sudden onset, spreads quickly, and has a long epidemic duration, with a high mortality rate and heavy losses. Once it breaks out, it is difficult to control, and the condition tends to recur. Fish farmers should strengthen their awareness of prevention to prevent the occurrence of this disease. 1. Disinfection of fingerlings Before fingerlings are stocked into ponds, they must be soaked and disinfected in 1% to 2% salt water. The soaking time depends on the fish's constitution and the temperature. When conditions permit, fingerlings can be soaked with fulminant hemorrhagic disease vaccine. 2. Timely water exchange and oxygen enhancement The water quality must be kept fresh,
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Detailed Explanation of Common Disease Prevention and Control Methods for Fish and Crabs, a Must-Read for Farmers
I. Grass carp hemorrhagic disease. Symptoms: bleeding in the fins, mouth, eye sockets, muscles, and intestines, partially or entirely bright red. Prevention and control: 1. Splash dibromohydantoin or chlorine dioxide over the entire pond, using 200 grams of dibromohydantoin or chlorine dioxide per 1 mu of water surface with a depth of 1 m. Apply once more after 2-3 days. 2. Mix Yu'erkang into bait and feed, mixing 1 kg of Yu'erkang per 50 kg of feed, and feed continuously for three days. 3. Mix Suke into bait and feed, mixing 50 grams of Suke per 50 kg of feed, feeding once a day, with three consecutive days as one treatment course. If combined with external use of dibromohydantoin
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Identification and Control Methods for the Russian Wheat Aphid
Scientific name Diuraphis noxia (Mordvilko), order Homoptera, family Aphididae. Synonym Brachycolus noxius. Also known as the Russian wheat aphid. Distribution in **. In addition, the Liaohe, Yellow River, Huaihe and Haihe river basins are all suitable areas for this insect. Abroad it is mainly distributed in Ukraine, Central Asia, North Africa, Eastern Europe, Nepal, South Africa, Mexico, the United States and Canada. It is a worldwide major pest of wheat. It is a domestic quarantine target. Hosts: wheat, barley, rye, oats, wild oats, brome
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What are the control methods for seed-borne diseases of the three wheats?
The main seed-borne diseases of the "three wheats" are stripe disease, smut, and net blotch. To control these diseases, in addition to measures such as selecting disease-resistant varieties, crop rotation, and adjusting sowing dates, the key is to do a good job of seed treatment. Seed treatment can use the following methods: (1) Use 12.5 milliliters of 10% seed soaking agent, add 4 kg of water, and mix with 50 kg of seeds; or use 100 grams of 2% Silvacur, add 4 kg of water, and mix with 100 kg of seeds, which can control stripe disease and smut. (2) Use 150 grams of 2% Silvacur, add
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Identification and Control Methods of the Greenbug
Scientific name Schizaphis graminum (Rondani), order Homoptera, family Aphididae. Distributed throughout the country. Hosts include wheat, barley, oats, sorghum, rice, foxtail grass, sedge and other grasses. Damage characteristics: The greenbug often feeds on sap on both the front and back of wheat leaves or inside and outside the basal leaf sheaths, causing wheat seedlings to turn yellow and wither or to lie flat and be unable to joint, and severely affected wheat plants cannot head normally, directly affecting yield; in addition, it can also transmit wheat yellow dwarf virus. Morphology
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Causes of Spring Yellowing in Winter Onions and Control Methods
For some time now, the author has continuously received letters or phone calls from the public asking about spring management of winter onions. Some people report that winter onions which grew well under low-temperature conditions developed yellowing leaves, root aging, and even death after temperatures rose in early spring, and that cold-resistant winter onion seedlings actually grew worse than local winter onions. Why? Through field observation, the author learned that in spring 2005, winter onions in most regions nationwide showed similar conditions. On the Jiaodong Peninsula, which has the largest planting area in the country, many
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A Detailed Explanation of the Occurrence Patterns and Control Methods of the Ginger Stem Borer
The ginger stem borer (also known as the corn borer, belonging to Lepidoptera, Pyralidae) is a major pest harming ginger. It has a very mixed diet; when causing damage, the larvae bite and feed on the tender stems, then bore into the stem (with frass and insect droppings accumulating at the entry hole), blocking the transport of water and nutrients, causing the stems and leaves above the bore hole to turn yellow and wilt, and they break very easily under external force. 1. Occurrence patterns. The ginger stem borer generally occurs 3-4 generations per year in our area, and the concentrated damage period coincides exactly with the vigorous growth period of the ginger plants. The larvae move from plant to plant causing damage, and finally the mature larvae
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How to control the jujube gall midge? Mastering these methods is key
Because the various life stages of this insect are relatively small, manual control is somewhat difficult, so chemical control is generally used, as follows: (1) Ground control: when the jujube buds are about to sprout (around mid-April), before the overwintering adults emerge, spray the ground under the tree canopy with 2.5% trichlorfon powder, or 25% phoxim capsule formulation at 200-300 times dilution (cover with fine soil or lightly hoe and loosen the soil to mix evenly), or 4% acephate powder, or 4% dibrom powder, all are acceptable; where there are seedling beds between the rows, spray the ground at the same time.
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