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Fotocópia
Id: 18150
Autor: Wong, C. (aut); Chung, K. (aut); Metivier, K. S. (aut); Phillips, A. (aut); Bissessar, J. (aut); Holder, R. B. (aut).
Título: Seroprevalence of Porcine Circovirus type 2 in swine herds in Trinidad and Tobago.
Fuente: West Indian veterinary journal;8(2):56-61, December 2008. tab.
Idioma: en.
Resumen: The seroprevalence of porcine circovirus type 2 (PCV2) in the swine population of Trinidad and Tobago was studied, focusing on the association between the seroprevalence of the virus and each of four variables: gender, age, group, farm size, and geographic location. Farms were classified as large (>1000 sows) or small (2 pigs to 250 sows); three age groups-nursery pigs (3 to 10 weeks, n=82), grower (11 to 22 weeks, n=107), and breeding animals(n=85) were studied. A multistage sampling design with non-proportional sampling between strata (farm sizes) was employed. A total of 274 serum samples were tested, collected from three large farms (n=109) and 109 randomly chosen small farms (n=165). Samples were tested using the PCV type 2 indirect fluorescent antibody test kit by VMRD (USA). Sixty-one percent of the farms tested were positive (2 large farms, 66 small farms). The overall seroprevalence of PCV2 was 62.0% (170/274) and after adjusting for non-proportional sampling between strata, was 70.3% ...
Responsable: TT5 - Médical Sciences Library
TT5; W1, JO91517


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Fotocópia
Id: 17822
Autor: Wong, C. (aut); Chung, K. (aut); Metivier, K. S. (aut); Phillips, A. (aut); Bissessar, J. (aut); Holder, R. B. (aut).
Título: Seroprevalence of Porcine Circovirus type 2 in swine herds in Trinidad and Tobago.
Fuente: West Indian veterinary journal;8(2):56-61, December 2008. tab.
Idioma: en.
Resumen: The seroprevalence of porcine circovirus type 2 (PCV2) in the swine population of Trinidad and Tobago was studied, focusing on the association between the seroprevalence of the virus and each of four variables: gender, age, group, farm size, and geographic location. Farms were classified as large (>1000 sows) or small (2 pigs to 250 sows); three age groups-nursery pigs (3 to 10 weeks, n=82), grower (11 to 22 weeks, n=107), and breeding animals(n=85) were studied. A multistage sampling design with non-proportional sampling between strata (farm sizes) was employed. A total of 274 serum samples were tested, collected from three large farms (n=109) and 109 randomly chosen small farms (n=165). Samples were tested using the PCV type 2 indirect fluorescent antibody test kit by VMRD (USA). Sixty-one percent of the farms tested were positive (2 large farms, 66 small farms). The overall seroprevalence of PCV2 was 62.0% (170/274) and after adjusting for non-proportional sampling between strata, was 70.3% ...
Responsable: TT5 - Médical Sciences Library
TT5; W1, JO91517



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