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Interpretation of the Latest Research Progress on Porcine Epidemic Diarrhea
The Unchanging Rhythm | The Latest Research Progress on Porcine Epidemic Diarrhea
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Research Progress on Porcine Transmissible Gastroenteritis Virus
Research Progress on Porcine Coronaviruses: Transmissible Gastroenteritis Virus
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Current Status and Progress of Research on Porcine Ophthalmic Diseases
Researchers in veterinary medicine at the University of Florida in the United States used pigs as experimental subjects and specially treated the feed provided so that it created a zinc-deficient condition. As a result, this treatment group may have caused chronic damage to the pigs' retinas, and it may be related. Veterinary ophthalmology experts have completed monitoring changes in blood, skin, body weight and major organs in young piglets and older pigs. The pig eye is very similar in structure to the human eye. This group of researchers has
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Research Progress on Detection Technologies for Porcine Circovirus
Porcine circovirus disease is a class of viral infectious diseases caused by porcine circovirus (PCV) infection and characterized by immunosuppression, with the main clinical manifestation being postweaning multisystemic wasting syndrome in piglets caused by PCV-2. This article reviews the research progress in recent years, both domestically and internationally, on detection technologies for this virus, including virus isolation, electron microscopy, polymerase chain reaction, indirect immunofluorescence assay, immunohistochemistry, enzyme-linked immunosorbent assay, and in situ nucleic acid hybridization. Porcine circovirus disease
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Detailed Explanation of Research Progress on Low-Pollution Pig Diet Technology
[Abstract] Maximizing the production performance of each pig has always been a common goal pursued by producers and nutritionists. Therefore, general diet formulation gives little or no consideration to nutrient excretion, resulting in excessive nutrients (mainly nitrogen and phosphorus) being excreted with feces and urine. In recent years, public concern for the environment has grown increasingly strong. Through nutritional technology, improving the feed conversion efficiency of pigs and reducing waste (feces and urine) has become a hot topic in current swine science and nutrition research. By supplementing synthetic amino acids,
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Review of Research Progress on Pig Disease-Resistance Breeding Technology
High-yield objectives usually lead to reduced pig resistance. At the same time, pig farm diseases, especially viral infectious diseases, severely threaten pig health. Although vaccination has played an important preventive and control role, it has not been able to completely control and eliminate the prevalence of infectious diseases. In the long run, adopting genetic methods to improve pigs' resistance to pathogens at the genetic level, and carrying out disease-resistance breeding, has a fundamental effect. In the 1930s, some scholars reported that different chicken breeds differed in susceptibility to Marek's disease, and in the subsequent
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Latest Research Progress on Porcine High Fever Syndrome
The "high fever syndrome" that first broke out in southern China in the summer of 2006 has not yet subsided, and it is currently the issue of greatest concern to us pig farmers. Some readers have also called our editorial office to inquire about research progress on the disease! At the "Beijing Animal Husbandry Association Pig Industry Annual Meeting", Academician Chen Huanchun of Huazhong Agricultural University and Professor Yang Hanchun of China Agricultural University were invited to each express their personal views on the currently prevalent "high fever syndrome". 1 Epidemic situation First, geographically
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Overview of Research Progress and Current Utilization of Propolis
Propolis is a resinous substance collected by honeybees from tree buds, bark and other parts of plants, mixed with secretions from the bees' hypopharyngeal glands, wax glands and other glands, and processed and transformed by the bees. Propolis is an opaque solid, brown, reddish-brown or grayish-brown in color, sometimes with a greenish tinge, and in a few cases nearly black. Natural fresh propolis has a resinous fragrance and is sticky and malleable. It begins to soften at 36°C, becomes hard and brittle and can be pulverized at 15°C, and melts into a viscous liquid at 60-70°C. Propolis is a resinous substance, highly soluble in ether, chloroform, acetone,
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Research progress on the mechanisms by which porcine circovirus type 2 infection causes immunosuppression
Circovirus infection is a newly discovered infectious disease. The disease has a relatively high infection rate in pigs and occurs widely throughout the world, having become one of the infectious diseases that seriously affect the development of the pig industry. Circovirus mainly attacks the pig immune system, interfering with and destroying the body's production and maintenance of immune antibodies against disease, resulting in reduced resistance and making pigs susceptible to secondary or concurrent other diseases. In recent years, scholars at home and abroad have conducted a great deal of research on the mechanisms by which porcine circovirus invades the immune system, and certain progress has been made in the virus replication mechanism, its effects on cytokines and lymph
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