I know people are used to throwing meds at problems willy nilly but those days have long passed. Most of the same antibiotic families used in animals are the same as used in treating humans. Each year 2 million people get infected with antibiotic resistant bacteria. 30% of antibiotics prescribed to humans are unnecessary. The percentage is much higher in livestock.When a critter is sick and you are giving antibiotics to treat an illness that is hardly prophylactic.
https://www.who.int/news-room/fact-sheets/detail/antibiotic-resistance
https://www.cdc.gov/features/antibioticuse/index.html
https://advocacy.consumerreports.or...cs-in-food-animals-threatens-public-health-2/
https://www.who.int/news-room/detai...unning-out-of-antibiotics-who-report-confirms
It isn't prophylactic if you know what malady you are treating. However, if one doesn't know if the problem is bacterial, viral or fungal, it is prophylactic.
Not all bacterial infections can be cured by all or perhaps any antibiotic. They will do nothing for a virus or fungus. It is a stab in the dark. Like worming if one doesn't know if an animal has worms or treating with Corid if it isn't known if coccidiosis is a problem.
Overuse of antibiotics is a real problem.
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