Antibiotics in fish feed

The use of antibiotics in livestock diets has been controversial for as long as I can remember. Now that controversy has spread to aquaculture diets. You wouldn’t have to be Einstein to work out that continual use of even low levels of antibiotics will build up pathogenic resistance. After all, the reverse applies. Recovery from and/or exposure to any given disease is how immune systems – ours included – have developed. So is all the commotion justified? Really, all we’re d