Canine leptospirosis, âleptoâ for short, is an infection caused by at least four species of Leptospira bacteria, or serovars. We know there are actually over 20 different serovars in existence that could potentially infect dogs and hundreds of non-pathogenic serovars.tory at-a-glance 1  +. Canine leptospirosis, or âlepto,â is an infection caused by at least four species (serovars) of Leptospira bacteria. 2  However, there are over 20 different serovars that are potentially infectious to dogs.
Most wild horses in Wyoming are located in the southwestern quarter of the state. The Rock Springs BLM is the headquarters of the Wild Horse Program in Wyoming. The appropriate management level for wild horses in Wyoming is approximately 6,000. 2,500 of these horses are in the Rock Springs District. Federal and private lands form a checkerboard pattern in the Rock Springs District.
The three most common toxic weeds to horses that may be contained in hay are: Hoary alyssum, wild parsnip and poison hemlock. 1  Hoary alyssum - Hoary alyssum is a perennial weed. 2  Wild parsnip - Wild parsnip is mainly found in ditches and fields and is a biennial and is poisonous to horses. 3  Poison hemlock - Poison hemlock is poisonous to horses.