A group of 2 1/2-month-old feeder pigs are presented with non-pruritic keratinized skin lesions and mild lethargy. One severely affected animal is depressed and anorexic.
What treatment is most appropriate for the presumptive diagnosis?
A - Supplement dietary zinc
B - Ivermectin SQ now, repeat in 2 weeks
C - High dose trimethoprim-sulfonamide 7-10 days
D - Copper sulphate bath or sprays
E - Spray with malathion (0.05%)
answer/A