Haematopinus suis - common name
Lice and nits are grossly visible, especially around the ___ and ___.
Head and neck
Lice can transmit ____ and _____.
Swine pox, eperythrozoonosis
Lice cause pruritis and irritation. True or False.
Sarcoptes scabiei - common name
What is the most common pruritic skin disease in swine?
Mange - Sarcoptes scabiei
Infection of Sarcoptes scabiei in young pigs results in ______ reaction.
Mites can be easily demonstrated more easily by _________ on older, chronically infested animals.
Mange can significantly impact productivity. True or False.
External parasite control - feed additive
Ivermectin (ivomec premix) - treat twice two weeks aparts, after eggs have hatched
Injectable external parasite control
Pour-on external parasite control
Spray external parasite control
Etiology of porcine dermatitis and nephropathy syndrome (PDNS)
Unkown etiology, appears to be immune-mediated
PDNS results in mutlifocal, raised, dark red skin lesions, generalized or _____ distribution.
Most pigs recover from PDNS, but some die in ____ distress and ____ failure.
Respriatory and renal
Hallmark lesion of PDNS:
Necrotizing vasculitis and glomerulonephritis
Swine pox is caused by te pox virus, and results in focal ______ pustules that have minimal clinical significance.
Etiology of ringworm
Microsporum nanum and Trichophyton verrucosum
Rignworm has little clinical significance to the pig, but may be transmited to ______.
Parakeratosis presents as thickened, crusty skin, and is caused by a ___ deficiency/____ excess
Pityiasis rosea is also called ______
Porcine Juvenile Pustular Psoriaform Dermatitis
Pityasis rosea lesions are located on the:
Pityasis rosea lesions resemble _____
Etiology of Pityiasis rosea:
unkown cause - possibly hereditary in Landrace breed
In pityiasis rosea, lesions will resolve sontaneoulsy in ___ weeks.
A discrete, firm, often pigemented skin tumor.
Melanomas occurs most often in _____ breed and has a hereditary predisposition.
Melanoma tumors may spread but often rergress ______.
Regression of melanomas is often associated with generalized ______.