Comparative response of IgA and IgG activity and hematological parameters among four main beef-cattle breeds infected with gastrointestinal nematodes in the warm humid tropic of Mexico

This study determined the immunoglobulin (A and G) activity against gastrointestinal nematodes (GIN) and also the hematological parameters in four beef-calf breeds naturally infected in a tropical region of Mexico. Thirty-six infected calves were used to determine the fecal nematode egg counts (FEC)...

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Bibliographic Details
Published in:Annals of animal science 2017-07, Vol.17 (3), p.819-833
Main Authors: González-Garduño, Roberto, López Arellano, María E., Mendoza de Gives, Pedro, García, Javier Arece, Marie-Magdeleine, Carine, Hernández, Glafiro Torres, Hernández, Jorge Oliva, Hinojosa-Cuéllar, J. Alfonso
Format: Article
Language:English
Subjects:
Beef
Calves
Cell size
Cooperia punctata
Enzyme-linked immunosorbent assay
Eosinophils
Hematology
Immunoglobulin A
Immunoglobulin G
immunoglobulins
Intestinal parasites
Leukocytes (eosinophilic)
Leukocytes (neutrophilic)
Life Sciences
Lymphocytes
Mecistocirrus digitatus
Nematodes
Parameter identification
peripheral immunity
Saliva
Statistical analysis
Statistical methods
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Summary:This study determined the immunoglobulin (A and G) activity against gastrointestinal nematodes (GIN) and also the hematological parameters in four beef-calf breeds naturally infected in a tropical region of Mexico. Thirty-six infected calves were used to determine the fecal nematode egg counts (FEC), the IgA and IgG activity in serum and saliva, the packed cell volume (PCV), the plasmatic protein (PP) and the differential leukocyte counts. These parameters were measured for a five-month period. ELISA assay was performed using adult worm crude antigen (AWCA) from Haemonchus contortus, Trichostrongylus colubriformis, Mecistocirrus digitatus and Cooperia punctata. The variables were analyzed using a fixed model according to the breed group. The FEC records (means ± standard deviation) for the different breeds were: Brangus (122±115), Charolais (391±507), Guzerat (294±326) and Brown Swiss (413±395). No statistical differences (P>0.05) were found among breeds. Cooperia and Haemonchus were the main identified genera in the coprocultures. Differences in hematological parameters were observed among breeds (P
ISSN:2300-8733
1642-3402
2300-8733
DOI:10.1515/aoas-2016-0089