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What types of microbial strains are used in aquaculture?
Why use microbial strains? 1. Reduce pathogenic microorganisms and harmful algae; significantly enhance the immunity and disease resistance of cultured organisms, and increase the survival rate. Users report...
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Large-scale meat duck farming offers high profits, but three types of poisoning must be guarded against
I. Aflatoxin poisoning 1. Causes of the disease This condition is a toxic disease caused by toxins produced by Aspergillus flavus. Aflatoxins are produced because...
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Introduction to special poultry farming methods - do you know all these types of special poultry?
As people's living standards gradually improve, and the catering industry's demand for game food continues to increase, developing the special breeding industry to fill market gaps is a...
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How do the immunization methods differ for different types of pigs?
Immunization of replacement gilts. Replacement gilts should be vaccinated with the following vaccines 1 month before mating, and sows after weaning should be vaccinated as follows: (1) Swine fever vaccine, 4 doses per head. (2) Swine erysipelas and swine pasteurellosis combined vaccine, 1 dose per head. (3) Swine Japanese encephalitis vaccine, 1 dose per head. (4) Porcine parvovirus vaccine, 1 dose per head (the inactivated vaccine can be given twice, with an interval of 15 days). (5) Swine pseudorabies vaccine, used according to the instructions. Immunization of farrowing pigs. Farrowing sows should be vaccinated with the following vaccines 15-40 days before farrowing: (1) Piglet Escherichia coli quadruple vaccine (K88, K99, 9
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What types of snakes are there? Learn about their medicinal and economic value in one article
Snake Farming Techniques Snakes belong to the animal kingdom, phylum Chordata, subphylum Vertebrata, class Reptilia, order Squamata, suborder Serpentes. The distribution of snakes is greatest in tropical and subtropical regions, followed by temperate zones, and least in cold zones. There are more than 2,500 species of snakes in the world, of which about 650 are venomous. China has more than 200 species of snakes, of which about 51 are venomous, mainly distributed in the southern and southwestern provinces, especially in Guangdong, Guangxi, Hainan and other provinces and autonomous regions. Medicinal and Economic Value The medicinal use of snakes is not limited to snake venom, snake meat, snake gall and snake slough
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What types of silkworm diseases are there? A full analysis of common types
Silkworm diseases can be divided into two categories: one is infectious diseases, and the other is non-infectious diseases. Any disease caused by pathogenic microorganisms such as viruses, bacteria, and fungi invading the silkworm body and then multiplying is an infectious disease. It can be transmitted from diseased silkworms to healthy silkworms and is an important factor affecting sericulture production. Any disease of silkworms caused by attacks by arthropods (fly maggots, lice mites), pesticide poisoning, and mechanical trauma is called a non-infectious disease. It cannot cause healthy silkworms to become ill through silkworms as a medium, and it is also an important factor affecting sericulture production.
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Common Treatment Methods for Several Types of Fever in Pigs
In traditional Chinese veterinary medicine, the understanding of fever is relatively broad: sometimes a body temperature higher than normal is considered fever, and sometimes even when the body temperature is not elevated, as long as heat signs appear, it is also classified as a heat syndrome. Because there are many causes of fever and the syndrome types are relatively complex, in clinical practice fever must be treated based on syndrome differentiation, grasping its essence. In many years of teaching and clinical work in traditional Chinese veterinary medicine, the author has used traditional Chinese veterinary medicine for treatment and achieved relatively satisfactory results. It is briefly introduced as follows for the reference of peers. 1. Excess heat in the qi aspect. One white pig from Group 3, Yihe Village, Jingzhou District.
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Detailed Explanation of Common Pond-Clearing Drug Types and Their Methods of Use
Drug-based pond clearing is the use of drugs to kill pathogens, parasites, and various predatory fish, wild trash fish, and other harmful organisms in the pond that endanger fish, shrimp, and crab fry, thereby preventing disease from affecting the normal growth and development of the cultured species and improving aquaculture efficiency. At present, there are many varieties of pond-clearing drugs, but different varieties have different effects. Commonly used pond-clearing drugs include quicklime, bleaching powder, tea seed cake, ammonia water, croton, Tangkening, and others. 1. Quicklime pond clearing Quicklime is calcium oxide. Its pond-clearing effect is that after quicklime meets water, a chemical reaction occurs, producing calcium hydroxide,
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What types of lesions does duck cholera cause?
Duck cholera mainly presents as septicemic pathological changes, with grossly visible manifestations of petechial hemorrhages on the serous membranes and mucous membranes. The liver surface has pinhead-sized, grayish-white necrotic spots with neat edges; the spleen is enlarged with necrotic spots of varying sizes on its surface; hemorrhage in the coronary sulcus, endocardium, and epicardium and pericardial effusion; pulmonary congestion and hemorrhage; hemorrhage in the duodenal and rectal mucosa, and hemorrhage on the surface of the intraperitoneal, gastric, and mesenteric fat. 1. Peracute type The peracute type dies quickly, and necropsy shows no obvious pathological changes. 2. Acute type Acute dis
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