With China's accession to the WTO and rising awareness of consumer safety, drug residues will be an important obstacle to the development of animal husbandry and the increase in farmers' aquaculture income. Reducing drug residues and producing green livestock must pay attention to the correct use of veterinary drugs. 1. Strictly prohibit the use of certain veterinary drugs. At present, the country has formulated a ban on veterinary drugs, livestock keepers should strictly abide by. We must not use clenbuterol hydrochloride and other β-agonists, estrone and other sex hormones, zearalenol and other substances with estrogen-like effects, chloramphenicol and its preparations, and furazolidone and other nitro groups. Furans, hypnotics and other hypnotic sedatives and other 21 drugs. If the production of livestock and poultry products is for export, the scope of banned veterinary drugs is even greater. For example, the only European antibiotics that can be used are monensin, salinomycin, flavomycin, and yammycin. 2. Conditionally use certain veterinary drugs. Although some medicines are allowed to be used, there is a process of absorption, distribution, transformation and elimination in livestock and poultry, and products must be used for food after they have been stopped for a period of time. For example, using ivermectin to repel insects, the drug withdrawal period should be at least 28 days for cattle, 8 days for sheep, and only 5 days after the pig is slaughtered. Some medications may not be used during the animal's growth phase while slaughtered before slaughter. For example, Roxastat: 5 days off during the withdrawal period, and the egg laying period is disabled; Monensin Sodium (desirable fat, rumen ): 5 days of withdrawal, egg laying period and lactation of dairy cows are forbidden; Maduramycin (Gafu, anti-ball king): withdrawal date is 5 days, laying hens are disabled during the laying period; nicarbazin and ethoxy Amide benzyl methyl ether (ball net): withdrawal period of 9 days, egg laying period disabled. 3, try to use veterinary drug alternatives. In the prevention and treatment of livestock diseases and the promotion of livestock and poultry growth, green substances should be used as far as possible to replace drugs that cause drug residues. The first is the use of Chinese medicine, there is no pollution of livestock and poultry products and the environment, some plants also have a growth-promoting effect; the second is the use of probiotics, can competitively reject pathogens, have improved feed conversion efficiency, promote animal immune function, reduce Mortality and environmental effects; Third, the use of enzyme preparations can improve feed conversion efficiency and reduce environmental pollution; Fourth, the use of biologically active peptides can improve animal immunity and promote animal growth. In addition, glycosides have a good inhibitory effect on Salmonella and other pathogenic bacteria, E. tenella, and infectious bursitis. Acidifiers can promote the growth of livestock and poultry, prevent and treat diarrhea in piglets, and organic trace elements have Improve livestock production performance, body immune function and other nutrient utilization. 4, other issues that should be noted. Livestock breeders should pay attention to scientific feeding, strengthen management, reduce the incidence of livestock and poultry, and strive to use less drugs. When necessary, after the diagnosis is made, the drug is prescribed and the synergies between the drug and the feed additive and the synergies between the drugs are taken care of to avoid repeated drug use. The method of changing certain lifelong medications is to use medications in a timely manner. It is firmly forbidden to use antibiotics as feed additives and to sell slaughtered animals and poultry during the withdrawal period.
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