Sex and age‐biased exploitation and metric characterization of medium‐sized deer in the lower Paraná wetland, South America

2019 ◽  
Vol 29 (6) ◽  
pp. 889-907 ◽  
Author(s):  
Daniel Loponte ◽  
María José Corriale ◽  
Leonardo Mucciolo ◽  
Alejandro Acosta
2012 ◽  
Vol 28 (12) ◽  
pp. 1779-1783 ◽  
Author(s):  
José-Luis Villarreal ◽  
Jaime Gutiérrez ◽  
Lucy Palacio ◽  
Martha Peñuela ◽  
Robin Hernández ◽  
...  

2020 ◽  
Vol 158 ◽  
pp. 105240 ◽  
Author(s):  
Candice N. Carneiro ◽  
Federico J.V. Gomez ◽  
Adrian Spisso ◽  
Maria F. Silva ◽  
Silvana M. Azcarate ◽  
...  

2011 ◽  
Vol 92 (3) ◽  
pp. 526-533 ◽  
Author(s):  
Daniel Granato ◽  
Flávia Chizuko Uchida Katayama ◽  
Inar Alves de Castro

Hydrobiologia ◽  
2020 ◽  
Vol 847 (19) ◽  
pp. 4141-4142
Author(s):  
Graciela García ◽  
Verónica Gutiérrez ◽  
Néstor Ríos ◽  
Nicolás Papa ◽  
Sebastián Serra ◽  
...  

PLoS ONE ◽  
2020 ◽  
Vol 15 (8) ◽  
pp. e0236759
Author(s):  
Rodney N. Nagoshi ◽  
Ernesto Cañarte ◽  
Bernardo Navarrete ◽  
Jimmy Pico ◽  
Catalina Bravo ◽  
...  

2020 ◽  
Vol 282 ◽  
pp. 197944
Author(s):  
Rocio Silvestre ◽  
Segundo Fuentes ◽  
Roger Risco ◽  
Alfredo Berrocal ◽  
Ian Adams ◽  
...  
Keyword(s):  

Parasitology ◽  
2007 ◽  
Vol 134 (11) ◽  
pp. 1559-1565 ◽  
Author(s):  
J. P. DUBEY ◽  
L. APPLEWHAITE ◽  
N. SUNDAR ◽  
G. V. VELMURUGAN ◽  
L. A. BANDINI ◽  
...  

SUMMARYThe prevalence ofToxoplasma gondiiin free-ranging chickens (Gallus domesticus) is a good indicator of the prevalence ofT. gondiioocysts in the soil because chickens feed from the ground. The prevalence ofT. gondiiin 76 free-range chickens from Guyana, South America was determined. Antibodies toT. gondiiwere assayed by the modified agglutination test (MAT), and found in 50 (65·8%) of 76 chickens with titres of 1:5 in four, 1:10 in one, 1:20 in five, 1:40 in seven, 1:80 in six, 1:160 in eight, 1:320 in four, 1:640 or higher in 15. Hearts and brains of 26 chickens with titres of <1:5 were pooled in 5 batches and bioassayed in mice. Hearts and brains of 50 chickens with titres of 1:5 or higher were bioassayed in mice.Toxoplasma gondiiwas isolated by bioassay in mice from 35 chickens with MAT titres of 1:20 or higher. All mice inoculated with tissues of 30 infected chickens remained asymptomatic.Toxoplasma gondiiisolates from 35 chickens were genotyped using 11 PCR-RFLP markers including SAG1, SAG2, SAG3, BTUB, GRA6, c22-8, c29-2, L358, PK1, a new SAG2, and Apico. A total of 9 genotypes were identified, with 5 genotypes (nos 1, 4, 5, 6 and 7) unique to Guyana, 2 genotypes (nos 2 and 3) previously identified in chickens from Brazil, 1 genotype (no. 8) previously identified in chickens from Brazil, Costa Rica and Nicaragua, and 1 genotype (no. 9) belonging to the clonal type III lineage that exists globally. Infection with 2 genotypes was found from 1 chicken. This is the first report of genetic characterization ofT. gondiiisolates from any host from Guyana.


Parasitology ◽  
1993 ◽  
Vol 106 (1) ◽  
pp. 21-29 ◽  
Author(s):  
M. F. Dirie ◽  
M. J. Otte ◽  
R. Thatthi ◽  
P. R Gardiner

SUMMARYThe characterization of fourTrypanosoma vivaxisolates from Colombia in South America showed that although minor phenotypic differences existed between them, these parasites are antigenically related and belong to a single serodeme. Characterization by isoenzyme assay, karyotyping and DNA probe analysis, showed the Colombian isolates to be more similar to the West African than to KenyanT. vivax. There was, however, little serological cross-reactivity between South American and African groups ofT. vivax. Although theT. vivaxisolates from Colombia were pathogenic for dairy calves which showed the typical sign of progressive emaciation, these parasites failed to infect mice or tsetseand could not be cultivated as bloodstream formsin vitro.This study represents initial attempts to establish the phenotypic and serological diversity amongstT. vivaxisolates from South America.


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