Correlation between plasma component levels of cultured fish and resistance to bacterial infection
Fish Pathology
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Abstract
Mortalities of yellowtail Seriola quinqueradiata artificially infected with Lactococcus garvieae and of rainbow trout Oncorhynchus mykiss artificially infected with Vibrio anguillarum were compared with the levels of plasma components measured prior to challenge. The levels of plasma total cholesterol, free cholesterol and phospholipid of fish surviving infection were significantly higher in both yellowtail and rainbow trout than those of fish which died during the challenge test. Mortality of yellowtail with plasma total cholesterol levels lower than 250 mg/100 ml was significantly higher than that of fish which had cholesterol levels higher than 275 mg/100 ml (p < 0.05). Rainbow trout whose cholesterol was lower than 520 mg/100 ml suffered a significantly higher mortality due to vibriosis than fish having cholesterol levels higher than 560 mg/100 ml (p < 0.005). These results indicate that low levels of plasma lipid components may be an indicator of lowered disease resistance in cultured fish.
Suggested Citation
Maita, M., Satoh, K., Fukuda, Y., Lee, H., Winton, J., Okamoto, N., 1998, Correlation between plasma component levels of cultured fish and resistance to bacterial infection: Fish Pathology, v. 33, no. 3, p. 129-133, https://doi.org/10.3147/jsfp.33.129.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Correlation between plasma component levels of cultured fish and resistance to bacterial infection |
| Series title | Fish Pathology |
| DOI | 10.3147/jsfp.33.129 |
| Volume | 33 |
| Issue | 3 |
| Year Published | 1998 |
| Language | English |
| Publisher | Wiley Blackwell |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 5 p. |
| First page | 129 |
| Last page | 133 |