Commonly used clinical drugs in ducks (macrolides)-tylosin (Tynon)
Source and character: this product is extracted from the culture medium of Streptomyces fredii. It is white crystal, weakly alkaline and slightly soluble in water. Its salts are soluble in water. Tylosin tartrate, tylosin hydrochloride and tylosin phosphate are commonly used in clinic.
Function and use: this product is a special antibiotic for livestock and poultry, which has antibacterial effect on Gram-positive bacteria and some Gram-negative bacteria, such as Staphylococcus aureus, Streptomycin pyogenes, mycoform, spirochete, etc., especially effective on mycoplasma. However, the effect on Gram-positive bacteria was not as good as that of erythromycin.
Dosage and usage: tylosin tablets, 0.2 g; tylosin tartrate, water solvent, 2 g, 100 g; adult duck, 25 mg / kg body weight, once a day, 500 mg / L drinking water concentration, 20 mg / kg mixed feed concentration. Note: the aqueous solution of this product is easy to form complexes with iron, copper, aluminum and other ions.
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Diagnosis and treatment of chronic mycotoxin poisoning in pigs
A disease occurred in a large pig farm with acute conjunctivitis and diarrhea as the main symptoms of fattening pigs and sows, with an incidence of 20%, a mortality rate of 0.5% and a disease elimination rate of 1.2%. According to the clinical symptoms, pathological examination combined with medical history investigation diagnosed porcine mycotoxin poisoning, the report is as follows. 1 Clinical symptoms of acute conjunctivitis in fattening pigs and sows, eyelid swelling, conjunctival congestion, photophobia, mucous purulent secretions, long course of disease, corneal opacity, blindness, diarrhea, stool gradually changed from atherosclerosis to watery, and finally with mucus.
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Prevention and treatment of moldy feed poisoning in pigs
1 there are more than 100 kinds of mycotoxins known at present, including aflatoxin, ergot toxin, zearalenone and so on. Aflatoxin is the most harmful toxin to pig production. Aflatoxin is a kind of liver toxin. when pigs eat feed contaminated with aflatoxin, it will decrease liver function, reduce bile secretion, and decrease the activity of protease and lipase secreted by pancreas. affect the absorption and utilization of protein and fat in feed; it is also a strong coagulation factor inhibitor.
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