Matters needing attention in the use of drugs in chicken production

The same drug is not suitable for long-term use

Some farmers use a drug for a long time when using drugs, which often leads to pathogen resistance to the drug. In order to prevent this from happening, effective antibacterial drugs should be used alternately, and the same antibacterial drugs cannot be reused in a short time. Of course, alternating use of drugs should not be too frequent, and should be considered after 1 or 2 courses of treatment.

Scientifically and rationally arrange drug delivery time

Many farmers always use a fixed mode of administration and habits no matter what drugs they use for drug use. They are either fed before feed or fed after feed.

Due to the pH level in the stomach, the degree of satiety determines the efficacy of the drug in the stomach. Therefore, scientific selection of the drug can really exert its efficacy. The conventional drug instruction only indicates the amount of the drug and the number of times a day. The use of the drug is rarely described in detail, and the time spent on the drug during the course of treatment is reasonably arranged to achieve the best therapeutic effect. Some commonly used drugs are recommended as follows:

Fasting

Fasting drugs (1 hour before feeding) include amoxicillin, ampicillin, lincomycin, norfloxacin, ciprofloxacin, norfloxacin mesylate, doxycycline, etc. If the drugs are administered after eating, the drug efficacy may decrease.

2 hours after feeding

Drugs administered at 2 hours after feeding include levofloxacin and roxithromycin. If these drugs are used prior to feeding, they may be damaged by gastric acid and result in decreased efficacy.

Used with feed

The medicines that can be added at the same time when adding are: vitamin D, vitamin A, vitamin E, vitamin K1, vitamin K3, and erythromycin.

Fixed-point medication

If aminophylline is used to treat dyspnea caused by mycoplasma, transmission, or throat infection, the best method is to use the two days of dosage at 8:1 pm, which can improve the asthma effect and reduce Adverse reactions with other drugs such as erythromycin and aminoglycosides occur.

Treatment of intestinal infections, intestinal mucosal shedding is suitable for a concentrated feeding in the evening.

Scientific determination of the amount of medication and treatment to one-sided increase the amount of drugs

At present, many farms have the drawback of a large amount of drugs, that is, no matter what drugs, in accordance with the dosage on the manufacturer's instructions, double the drug. The scientific method of administration should be based on the age of the bird and the weight of the situation for rational drug use, the general dose of the drug caused by excessive poisoning, too small can not produce therapeutic effects.

Insufficient treatment or frequent dressing changes

Any animal for the treatment of the disease, regardless of Chinese medicine Western medicine, regardless of permanent cure, need a certain course of treatment, cut the drug is not available after two days to stop the use of drugs, or treatment twice found no significant effect of the chicken also immediately change the drug, this is the most It is not scientifically most irregular, and it is very easy for the body to produce drug-resistant strains, which ultimately leads to no cure.

In the actual treatment of production, Western medicine should be taken from the shortest 3 days to 4 days. The shortest time of traditional Chinese medicine should be 4 days to 5 days in order to have a fundamental therapeutic effect. Some of the compound products can relieve the apparent composition and relieve the symptoms of large groups. It does not achieve therapeutic goals at all, and it is recommended to consolidate the electrolysis multidimensional for 2 days to 3 days under normal treatment conditions.

Pay attention to the number of doses and intervals

Under normal circumstances, no matter what drugs are used habitually twice a day, the farmer will be given medication twice daily, and there will be a phenomenon that the daytime interval is too short and the night interval is too long.

General doxycycline, florfenicol, aminoglycosides, colistin, etc. are concentration-dependent bactericidal drugs, suitable for once-a-day dosing, once-a-day feeding is beneficial to achieve blood drug concentration, shorten the peak time.

Other antibacterial drugs (such as erythromycin, lincomycin, etc.) are mostly used twice a day, because the effect of antibacterial drugs mainly depends on the number of drugs used, the number of times is insufficient, even if four or five times the amount is difficult to achieve the purpose of treatment, And easy to produce drug resistance. For example, the time interval between 2 times/day should be guaranteed more than 10 hours to ensure the continuous action of the drug.

Rational combination of drugs and incompatibility

The combination of two or more drugs at the same time may not affect each other, but in many cases the effect of one drug or both drugs is affected by the combination of the two drugs, and there are many possibilities. First, the effect is stronger than expected. Roles, such as the combination of erythromycin and neomycin; Second, less than expected effects (antagonism), such as the combination of amoxicillin and doxycycline; Third, produce unexpected toxic reactions, such as sulfonamides and fluoride Benicol.

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