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Parascaris equorum is a species of ascarid that is the equine roundworm. Amongst horse owners, the parasites are colloquially called "Ascarids". This is a host-specific helminth intestinal parasite that can infect horses, donkeys, and zebras. Horses up to six months of age are the most susceptible to infection.
Symptoms can range depending on how severe the infection is. In mild cases the most common clinical signs are weight loss, compromised performance, and a dull hair coat. [ 6 ] Other clinical signs can range from diarrhea, weakness, anorexia, anemia if there are significant blood loss and abdominal discomfort.
Wood affected by woodworm. Signs of woodworm usually consist of holes in the wooden item, with live infestations showing powder (faeces), known as frass, around the holes.. The size of the holes varies, but they are typically 1 to 1.5 millimetres (5 ⁄ 128 to 1 ⁄ 16 in) in diameter for the most common household species, although they can be much larger in the case of the house longhorn beet
As the infection continues and the larvae matures, there may be respiratory symptoms (Löffler's syndrome). The infection may then become chronic with mainly digestive symptoms. On reinfection (when larvae migrate through the body) from the skin to the lungs and finally to the small intestine, there may be respiratory, skin and digestive symptoms.
The condition can be fatal in 3 out of 10 horses that are infected, but up to one-third of horses infected have been shown to be asymptomatic, so there is variability in the disease presentation. [5] Due to the severe symptoms associated with the disease, and fatality rate, this condition is of concern for horse owners.
The mainstays of treatment are the administration of broad-spectrum antibiotics (typically potentiated sulfonamides or penicillin and streptomycin, but doxycycline may be the most effective). If possible, microbial culture and sensitivity testing should be performed, so the most efficacious antibiotic can be chosen. [ 3 ]
NREM Stages. Three stages of sleep make up the NREM phase, and they each unfold before REM kicks in. Here’s a rough breakdown of what happens during each stage of NREM sleep:. Stage 1: light ...
Equine protozoal myeloencephalitis in various stages. Equine protozoal myeloencephalitis (EPM) is a disease that affects the central nervous system of horses. It is caused by a protozoal infection that is brought about by the apicomplexan parasites Sarcocystis neurona or Neospora hughesi. Most cases are caused by S. neurona.