White Muscle Disease. Muscle necrosis due to failure of antioxidant system to scavenge free radicals. more in more active muscels.
VitE/Se deficiency presentation
yougn animals-tongue, diaphragm and heart. Older animal- thich, shoulder, neck and costal mm.
VitE/Se deficiency PM signs
swelling and pallor of mm. Mineralization. Incomplete rigor.
VitE/Se deficiency in pigs
mulberry heart disease and hepatosis dietetica. piglets can get it from iron injections
ionophore antibiotic as growth promoter and coccidiostat. necrosis of heart and muscle. horses most, poulty least. prevents mitochondria from producing energy, so necrosis. Diarrhoea and colic, then death. Or CHF if sublethal dose.
benign tumors of myocytes. Dogs laryngeal muscles. Pigs, cattle and sheep in heart.
Malignant myocytic tumors (rhabdosarcomas)
Rare but agressive. Appendicular skeletal mm. dogs <2yo, in the bladder. looks like grapes so called "botryoid rhabdomyosarcomas".