Calf Problem

[Sheryl in KY]

I have two holstein calves. They are about 4 months, out on pasture. One of them developed bump all over. Maybe from flies? He was fine sevral days ago and now there are bumps and scabs on his neck, too. Maybe from scratching on something. Not sure what is going on. Any ideas? They had been sprayed with the horse fly spray but only one of the calves has done this. Could that be it? Thanks, Sheryl

 

[Beefy]

could be hives, could be horseflies, could be fireants.

 

[Hawk]

could be hives, could be horseflies, could be fireants.

Also could be stinging insects such as wasps, yellow jackets, hornets, etc. I saw the same thing on one of mine back in the spring. Never really knew where all the bumps came from, but they were gone in a few days and haven't reappeared. I doubt that flies could cause them.