TY - JOUR
T1 - Development of immunity in rainbow trout (Oncorhynchus mykiss, Walbaum) to Aeromonas hydrophila after the dietary application of garlic
AU - Nya, E. J.
AU - Austin, B.
PY - 2011/3
Y1 - 2011/3
N2 - The development and duration of immune protection against Aeromonas hydrophila infections with garlic as an immunostimulant in rainbow trout Oncorhynchus mykiss was studied. Rainbow trout fingerlings of 14 g average weight were fed with 0 g (=Control), 0.5 g and 1.0 g of garlic 100 g-1 of feed for 14 days. Physiological factors, biochemical, immunological, haematological parameters and electrolyte indices were evaluated after a further 14, 21 and 28 days before challenge with Aeromonas hydrophila. Fourteen days after the cessation of feeding with garlic, mortality rates of 12% (relative percent survival [RPS] = 86%) and 16% (RPS = 80%) were recorded in groups which received 0.5 g and 1.0 g of garlic 100 g-1 of feed, respectively, compared to 84% mortalities in the controls. The corresponding RPS 21 days after ending the feeding regime was 75% and 68, respectively. One week later, the RPS had dropped to 55% and 46% in the groups fed with 0.5 g and 1.0 g garlic 100 g-1 of feed, respectively. © 2011 Elsevier Ltd.
AB - The development and duration of immune protection against Aeromonas hydrophila infections with garlic as an immunostimulant in rainbow trout Oncorhynchus mykiss was studied. Rainbow trout fingerlings of 14 g average weight were fed with 0 g (=Control), 0.5 g and 1.0 g of garlic 100 g-1 of feed for 14 days. Physiological factors, biochemical, immunological, haematological parameters and electrolyte indices were evaluated after a further 14, 21 and 28 days before challenge with Aeromonas hydrophila. Fourteen days after the cessation of feeding with garlic, mortality rates of 12% (relative percent survival [RPS] = 86%) and 16% (RPS = 80%) were recorded in groups which received 0.5 g and 1.0 g of garlic 100 g-1 of feed, respectively, compared to 84% mortalities in the controls. The corresponding RPS 21 days after ending the feeding regime was 75% and 68, respectively. One week later, the RPS had dropped to 55% and 46% in the groups fed with 0.5 g and 1.0 g garlic 100 g-1 of feed, respectively. © 2011 Elsevier Ltd.
KW - Aeromonas hydrophila
KW - Immune defence mechanism
KW - Immunity
KW - Rainbow trout
UR - http://www.scopus.com/inward/record.url?scp=79952185903&partnerID=8YFLogxK
U2 - 10.1016/j.fsi.2011.01.008
DO - 10.1016/j.fsi.2011.01.008
M3 - Article
C2 - 21255652
SN - 1050-4648
VL - 30
SP - 845
EP - 850
JO - Fish and Shellfish Immunology
JF - Fish and Shellfish Immunology
IS - 3
ER -