John Morris Fairbrother

IntroductionAll over the world, E. coli is an important cause of a wide range of diseases in pigs, including postweaning diarrhea (PWD) (Fairbrother et al., 2019). Diarrhea due to E. coli may result in significant economic losses due to morbidity, mortality, decreased weight gain, and cost of treatment, vaccinations and feed supplements. Clinical signs fluctuate with time and r ...

Introduction Diseases caused by E. coli have been a recognised problem for as long as pigs have been raised. Early work in the 1960s and 1970s elucidated the pathogenic mechanisms of E. coli causing newborn diarrhea, and lead to the development of maternal vaccines which effectively control this form of the disease. However, maternal vaccination with these vaccines does not pr ...

Introduction Antimicrobial use in animal production has been monitored over the past two decades because of potential adverse effects on animal and human health related to antimicrobial resistance. Administration of antimicrobials in animal production began early after their initial discovery, primarily for treatment of diseases, but also for promoting growth and for disease p ...