| 摘要 |
An antipyretic composition for treating farm animals such as pigs, poultry or calves comprises a non-aqueous solution of 15-25% w/w paracetamol in polyethylene glycol and/or polypropylene glycol, preferably 20% w/w in PEG 200 and/or polypropylene glycol. The solution is for incorporation e.g. by spraying into animal feed or dilution with drinking water. The composition may contain 40-85% w/w polyethylene glycol and 0-45% w/w polypropylene glycol, and/or up to 5% excipients e.g. appetite enhancing agents. A process for incorporation of the composition into drinking water on a farm equipped with a water-circulation unit connected to a water reservoir includes determining the desired amount of composition, adding the composition and agitating. Intermediate dilution may be carried out in a mother solution, with a metering pump to control the amount of mother solution added to the water reservoir. Alternatively, granulated feed may be sprayed with the composition after manufacture of the feed, the amount being determined by desired concentration in the feed and flow rate of the feed in a hopper. |
