Earlier quoted context omitted.
> Not only should every country stop using antibiotics in healthy livestock Antibiotics are not used for healthy livestock in many countries. The US is a very notable exception. It comes down to cutting costs. In the US, it's not typical to clean the facilities between batches of animals like chicken. This mean that the new batch would contract any bacteria left behind the previous animals. It's not even that big of…
This is not the reason antibiotics are given to livestock. A wide class of antibiotics, when delivered in subtherapeutic doses, increase feed conversion efficiency and result in larger animals for the same feed inputs. So yes, it's about costs, but not for the reasons you cite.
But that's irrelevant, it's a cost cutting measure with harmful consequences to the society as a whole. The regulations and producer prices should be adjusted to make small to medium scale farming profitable and stop the antibiotics madness.