|Appears in Collections:||Aquaculture Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Immune responses of resistant and sensitive common carp families following experimental challenge with Aeromonas hydrophila|
|Citation:||Ardo L, Jeney Z, Adams A & Jeney G (2010) Immune responses of resistant and sensitive common carp families following experimental challenge with Aeromonas hydrophila, Fish and Shellfish Immunology, 29 (1), pp. 111-116.|
|Abstract:||Parameters of non-specific immune response and level of specific and natural antibodies were investigated after an experimental challenge with Aeromonas hydrophila in genetically different common carp (Cyprinus carpio) families. Ten resistant and ten sensitive families were used for the experiment, which had been selected out of 96 families, based on the results of a preliminary challenge test. Blood samples were collected 12 h, one week and 21 days following the challenge. Phagocytic and respiratory burst activities of phagocytic cells, lysozyme activity of the blood plasma were determined. Level of specific antibodies against A. hydrophila and level of natural antibodies were measured in the samples taken on the 28th day. Non-infected fish from resistant and sensitive families were used as controls. Significant differences of phagocytic and lysozyme activities were measured between the challenged resistant and sensitive families. The level of specific antibodies between the same families was also found to be significantly different. There were no significant differences of the studied parameters between the control groups. Based on our results, phagocytic activity of leukocytes, plasma lysozyme activity and specific antibody titre were found to be higher in the resistant families than in the sensitive ones following infection with A. hydrophila.|
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