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A CDC infographic on how antibiotic-resistant bacteria have the potential to spread from farm animals. The use of antibiotics in the husbandry of livestock includes treatment when ill (therapeutic), treatment of a group of animals when at least one is diagnosed with clinical infection (metaphylaxis [1]), and preventative treatment (prophylaxis).
1940s – Beginning of utilization of antibiotics in livestock feed} [citation needed] 1951 – Antibiotics first FDA approved for use in poultry. Approved uses included production (growth enhancement), treatment, control, or prevention of animal disease. Antibiotics were also available for purchase over the counter at that time. [citation needed]
Antibiotic use in livestock may create antibiotic-resistant pathogens; parasites, bacteria, and viruses may be spread; ammonia, nitrogen, and phosphorus can reduce oxygen in surface waters and contaminate drinking water; pesticides and hormones may cause hormone-related changes in fish; animal feed and feathers may stunt the growth of desirable ...
A VFD is required for any species of animal fed medicated feed containing a VFD drug; this law is not limited to livestock. [2] VFD drugs must be used under the professional supervision of a licensed veterinarian. [1] The purpose of implementing the VFD is to aid in decreasing the levels of antibiotic resistance in human and animal populations.
Sales of antibiotics for food-producing animals are reducing in the UK, but campaigners say further reductions and legislation are needed. Zac Goldsmith calls for end to delay in banning overuse ...
Farmers typically use antibiotics in animal feed to improve growth rates and prevent infections. However, this is illogical as antibiotics are used to treat infections and not prevent infections. 80% of antibiotic use in the U.S. is for agricultural purposes and about 70% of these are medically important. [ 59 ]