Congenital Cardiovascular Conditions
Chapter 120 Congenital Cardiovascular Conditions Sophy A. Jesty The horse is thought to have the lowest prevalence of congenital heart disease among domestic animals, with estimates ranging from less than…
Mammary Tumors
Chapter 101 Mammary Tumors Luiz Claudio Nogueira Mendes Mammary neoplasia in the mare is exceedingly rare, and only a few sporadic reports of mammary gland tumors in horses have been…
Donkey Dental Disease
Chapter 62 Donkey Dental Disease Nicole du Toit In recent years, awareness of the importance of dental disease in donkeys has increased. A large proportion of donkeys are kept as…
Genetics of Eye Disease
Chapter 141 Genetics of Eye Disease Matthew Annear During the past decade, significant advances have been made in our understanding of the genetics of eye diseases in humans. This has…
Equine Intestinal Hyperammonemia
Chapter 139 Equine Intestinal Hyperammonemia Bettina Dunkel Hyperammonemia (HA), commonly defined as blood ammonium (NH4+) concentration higher than 60 µmol/L, can develop by increased production, increased absorption, decreased clearance, or a…
Pituitary Pars Intermedia Dysfunction
Chapter 136 Pituitary Pars Intermedia Dysfunction Nicholas Frank Pituitary pars intermedia dysfunction (PPID), also called equine Cushing’s disease, is the most common endocrine disorder of aged equids. Some horses are…
Dynamic Endoscopy
Chapter 51 Dynamic Endoscopy Kate Allen, Samantha H. Franklin It is now acknowledged that endoscopy of the exercising horse is required for definitive diagnosis of dynamic upper respiratory tract (URT)…
Hypertrophic Osteopathy
Chapter 61 Hypertrophic Osteopathy Lisa Michelle Katz Hypertrophic osteopathy (HO, also Marie’s disease) is an uncommon disease in the horse that is characterized by bilateral, progressive, symmetric subperiosteal bony and…
Equine Sarcoid
Chapter 99 Equine Sarcoid Edmund K. Hainisch, Sabine Brandt With a prevalence ranging from 1% to 12%, sarcoids represent the most common tumor type in equids, including horses, donkeys, zebras,…
Internal Parasite Screening and Control
Chapter 77 Internal Parasite Screening and Control Martin K. Nielsen For several decades, diagnosing parasitic infections in horses received little attention. Horses were widely exposed to ubiquitous parasite species capable…
