The dosage of drinking water is usually calculated according to the amount of drinking water and the concentration of antibiotics in water, but the amount of drinking water is affected by many factors such as water quality, feed composition and quality, ambient temperature, and health status. Therefore, the amount of medication is best based on body weight and cannot rely solely on drinking water.
Second, the administration of spices may involve the lag of effective concentration of blood drug and the decrease of feed consumption of diseased chickens. It can be treated with drinking water and then treated with feed-grade antibiotics. The effect is very good and can be used for a longer course of treatment. Feed-grade antibiotics are more commonly used for the prevention of certain diseases, such as the control of necrotic enteritis.
Third, the injection is commonly used in the prevention of bacterial enteritis in eggs or day-old chicks; Occasionally also used for breeding populations; leg disease in chickens, joints often occur lesions, because there is little blood vessels here, you can Injecting drugs is used for treatment; in addition, for the small number of chickens and chickens with severe disease, when the effect of drinking water is not obvious, injections are given and the effect is good.
Fourth, spray administration
Suitable for the treatment and prevention of comprehensive respiratory diseases in poultry. After thoracic-abdominal infection, aerosol administration can also be used so that the drug can quickly reach the balloon site of the thoracic cavity. It is best to use distilled water, cold boiled water or deep well water as the spray dosing solution, and the dosage is 3-5 times the oral dose. You should master the techniques of spray administration.
V. Precautions for medication in special situations
1, chicken stage
Since the whole body tissues and organs of the chicks are not yet fully developed, the medication must be used with caution. It is recommended that sensitive, narrow-spectrum antibiotics be selected, or conventional drugs with low toxicity, unfavorable resistance, and general effects should not be preferred.
2. Immunococcidial vaccine
(1) Anticoccidial drugs were banned within 14 days, with particular attention to the feed can not be added. (2) Doxycycline interfered with the establishment of immunization and was banned within 3 weeks. (3) Antibiotics that can be used: quinolones, macrolides, aminoglycosides, lincomycin, colistin.
3, egg production period
Damage to reproductive organs, resulting in decreased egg production or affect eggshell quality, hatching rate; resulting in drug residues within the egg antibacterial drugs, prohibit the use of egg production period.
4, poor water quality
Quinolone and tetracycline antibiotics will react with metal cations such as calcium, magnesium, iron, and aluminum to form insoluble complexes. If the farm's water hardness and metal ion content are high, the use of these drugs will reduce the efficacy.
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