Passive transfer of specific maternal immunity does not protect Atlantic salmon (Salmo salarL.) fry against yersiniosis

Lillehaug, Atle; Sevatdal, Sigmund; Endal, Torbjørn

doi:10.1006/fsim.1996.0049

Cited by 43 publications

(15 citation statements)

References 25 publications

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“…The measurement of egg IgM concentration in Oncorhynchus mykiss gave results comparable to those found in other teleost fish species, such as sea bream [47] and Sparus auratus [46]. Data available from other teleosts have indicated that maternal supply specific IgM is very low, gradually declining with time, and consequently of limited duration [48] [49]. In sea bass, for example, maternal IgM is deposited in the ovary during vitellogenesis and reaches maximum concentration during ovulation.…”

Section: Discussionsupporting

confidence: 69%

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)

Akbary¹,

Mirvaghefi²,

Akhlaghi³

et al. 2015

FNS

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How to cite this paper: Akbary, P., et al. (2015) AbstractThis study evaluated transfer of maternal lysozyme and immunoglobulin (IgM) against Lactococcus garviea, the causative agent of lactococcosis to eggs and larvae in rainbow trout. Changes in circulating lysozyme and IgM during development of eggs and larvae were measured by a method based on the ability of lysozyme to lyse the bacterium Micrococcus lysodeikticus and enzymelinked immunosorbent assay (ELISA) respectively. For doing this, twelve broodstocks were injected weekly with 2.5 mg•kg −1 letrozole (an endocrine disrupter component) two months before spawning season and vaccinated intraperitoneally (i.p) with a bacterin (inactivated L. garviae) one month before spawning. Twelve broodstocks for vaccination and twelve female rainbow trouts as control group were also immiunised (i.p) with the bacterin and injected (i.p) with PBS respectively. Results showed that at day 8 after hatching, lysozyme and IgM levels during pre-larval stages decreased gradually, as yolks were absorbed. Lysozyme and IgM levels were significantly higher in the letrozole injected immiunised parents 30 days after immunisation as well as their larvae compared to the control group (p < 0.05). These results showed the lysozyme and IgM detected from day 0 to day 8 derived from maternal fish while the lysozyme and IgM detected from day 10 onward are neo-synthesized lysozyme and IgM. The present study indicated the role of the injection of letrozole (two months before spawning) and parent immunisation with a bacterin (inactivated L. garviae) (one month before spawning) in maternal transfer of lysozyme and IgM levels to eggs and larvae. *Corresponding author. P. Akbary et al.255

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Section: Discussionsupporting

confidence: 69%

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)

Akbary¹,

Mirvaghefi²,

Akhlaghi³

et al. 2015

FNS

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“…As the fish aged they became more susceptible, mortality reaching 13% when challenged at 4 weeks post-hatching and 60% when challenged from 6 weeks onwards. 9) In accordance with these reports, greater resistance of very young salmonids to furunculosis has also been noted. 10) These findings suggest that unidentified factors present in fish embryos at the very early stage provide considerable protection against bacterial challenge, and that such activities decline as the larvae age.…”

Section: Notesupporting

confidence: 68%

Transitional Reactive Oxygen Species (ROS) Production in Fertilized Egg Embryos of Devil Stinger (Inimicus japonicus), a Marine Fish Species

Kim¹,

Naruse²,

Kadomura

et al. 2012

Bioscience, Biotechnology, and Biochemistry

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“…The transfer of specific maternal immunity from naturally immunized females to the eggs could also affect the development of the virus in the eggs and larvae. An antibody activity has been detected in the eggs of various fish species (Shors & Winston 1989, Kawahara et al 1993, Lillehaug et al 1996 including sea bass (Pepin et al 1997), and this activity is based on monomeric immunoglobulins (Mor & Avtalion 1990). Furthermore nodavirus antibodies have been detected in the serum of adult sea bass and in our broodstock (Breuil et al 1999).…”

Section: Transmission To Larvaementioning

confidence: 94%

Sea bass Dicentrarchus labrax nervous necrosis virus isolates with distinct pathogenicity to sea bass larvae

Breuil

Mouchel²,

Fauvel³

et al. 2001

Dis. Aquat. Org.

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Reproduction of nodavirus disease was performed by experimental infection of sea bass eggs during fertilization or at larval stage 4 with 2 genetically distinguishable nodavirus strains (Sb1 and Sb2) isolated from sea bass collected along the Atlantic and Mediterranean French coast. The pathogenicity of the virus strains was assigned after detection of the virus by ELISA and immunohistochemistry (IHC). The Atlantic (Sb1) strain was more pathogenic than the Mediterranean (Sb2) strain during the fertilization step whilst both strains were pathogenic following experimental exposure of 4 d old larvae. Virus lesions developed in the brain 4 to 6 d following experimental exposure. Experimental ELISA proved very sensitive for detecting the nodavirus in Sb1 or Sb2 experimentally infected larvae, as well as in naturally infected sea bass larvae collected in French hatcheries or in barramundi larvae reared in the Pacific area. The development of an ELISA specific for the 2 nodavirus strains isolated from the sea bass should be useful for the detection of the virus, in addition to other techniques recommended by the Office International des Epizooties (OIE).

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Passive transfer of specific maternal immunity does not protect Atlantic salmon (Salmo salarL.) fry against yersiniosis

Cited by 43 publications

References 25 publications

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)

Transitional Reactive Oxygen Species (ROS) Production in Fertilized Egg Embryos of Devil Stinger (Inimicus japonicus), a Marine Fish Species

Sea bass Dicentrarchus labrax nervous necrosis virus isolates with distinct pathogenicity to sea bass larvae

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Passive transfer of specific maternal immunity does not protect Atlantic salmon (Salmo salarL.) fry against yersiniosis

Cited by 43 publications

References 25 publications

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (&lt;i&gt;Oncorhynchus mykiss&lt;/i&gt;, Walbaum)

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (&lt;i&gt;Oncorhynchus mykiss&lt;/i&gt;, Walbaum)

Transitional Reactive Oxygen Species (ROS) Production in Fertilized Egg Embryos of Devil Stinger (Inimicus japonicus), a Marine Fish Species

Sea bass Dicentrarchus labrax nervous necrosis virus isolates with distinct pathogenicity to sea bass larvae

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The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)

The Effects of Letrozole in Transfer of Maternal Immunity against Lactococcosis to Eggs and Larvae in Rainbow Trout (<i>Oncorhynchus mykiss</i>, Walbaum)