... Gram-negative bacteria, spirochetes (e.g.Treponema hyodysenteriae), and mycoplasma. Horses, camels, cattle, sheep, goats, pigs ... ), pigs (enzootic pneumonia, arthritis), and in sheep, goats and camel. wound- and skin infections-metritis, mastitis, foul-in ... , night blindness, disturbances in reproduction and congenital abnormalities, hyperkeratosis and opacity of cornea, raised cerebro-spinal ...