Animal’s Diseases

Abortion is the premature termination of pregnancy. There can be many causes of abortion, from infection to noninfectious causes such as exposure to toxins in the environment or genetics. It may be difficult to pinpoint the cause, as the abortion often occurs

Potomac horse fever (PHF) is an acute enterocolitis syndrome producing mild colic, fever, and diarrhea in horses of all ages, as well as abortion in pregnant mares. The causative agent is Neorickettsia risticii. The infection of enterocytes of the small and

It was discovered in the early 1900s that under certain conditions, sorghum is capable of releasing hydrocyanic acid (HCN or prussic acid), which makes them potentially dangerous for grazing. In the plant, HCN is attached to a larger molecule, a cyanogenic

Grass tetany, or hypomagnesia, is caused by low blood levels of magnesium. It is most prevalent when cows and ewes that are in late gestation or heavy lactation graze lush spring growth, usually in April and May, but cases can be seen in the fall. Rapidly

Bloat is an overdistention of the rumenoreticulum with the gases of fermentation, either in the form of a persistent foam mixed with the ruminal contents, called primary or frothy bloat, or in the form of free gas separated from the ingesta, called secondary

CHOLANGIOHEPATITIS IN BROILER CHICKENS 125.126.Cholangiohepatitis (CAH) in broiler chickens is characterized by inflammatory proliferative and dystrophic necrobiotic alterations in bile ducts and the liver parenchyma. Usually, no clinical signs are observed.

NECROTIC ENTERITIS 113.. Necrotic enteritis (NE) is an acute Clostridium infection characterized by severe necroses of intestinal mucosa. The disease begins suddenly, with a sharp increase in death rate. A strong dehydration is observed. The skin is sticked

MYCOPLASMA 99. 100. 101. MG is characterized by respiratory symptoms and a prolonged course of the disease. Particularly susceptible are hens and turkeys at all ages. The aetiological agent is M. gallisepticum. In many cases however, the pathogenicity of the

RIEMERELLA ANATIPESTIFER INFECTIONS 82.Riemerella anatipestifer (RA) infection is a contagious disease in domestic ducks, turkeys and other fowl. It is encountered as acute or chronic septicaemia and is characterized with serous fibrinous polyserosites. The

FOWL CHOLERA 68. 69.. Fowl cholera is an infectious disease in domestic fowl, waterfowl and other avian species. It is manifested either in acute septicaemic form with a high morbidity and death rates or as chronic local forms (independently or secondary to

PARATYPHOID INFECTIONS 53. Fowl paratyphoid is an acute or chronic disease in domestic fowl and many other avian or mammalian species, caused by some motile Salmonella serotypes that are not host-specific. The highest morbidity and death rates are usually

SALMONELLOSES 36. 37. Pullorum disease is an acute systemic disease in chickens and turkey poults. The infection is trans-mitted with eggs and is commonly characterized by a white diarrhoea and high death rate, whereas adult birds are asymptomatic earners.

Omphalitis (navel infection). It is characterized with reddening and tissue oedema in the umbilical region. 2. Escherichia coli infections are widely distributed among poultry of all ages and categories. They are primarily related to poor hygienic conditions,

Swine Dysentery and Spirochaetal Colitis (Brachyspira [previously Serpulina and Treponema] hyodysenteriae and Brachyspira pilosicoli) Definition Swine dysentery (SD) is a severe, infectious disease characterized by mucohemorrhagic diarrhea and marked

Definition This organism causes severe pleuropneumonia which is a highly contagious disease of swine often characterized by sudden onset, short clinical course, high morbidity, and high mortality. Occurrence Porcine pleuropneumonia (PPN; currently referred to

Definition A widespread, chronic respiratory disease of swine characterized by coughing, growth retardation and reduced feed efficiency. Occurrence Mycoplasmal pneumonia of swine (MPS, also referred to as “enzootic pneumonia,” EP) is a common, widely

Porcine epidemic diarrhea virus (PED virus or PEDV) is a coronavirus that infects the cells lining the small intestine of a pig, causing porcine epidemic diarrhoea, a condition of severe diarrhea and dehydration. Older hogs mostly get sick and lose weight

Definition PRRS is an acronym (porcine reproductive and respiratory syndrome) for a viral disease characterized by two overlapping clinical presentations, reproductive impairment or failure in breeding animals, and respiratory disease in pigs of any age. PRRS