1997
DOI: 10.7773/cm.v23i1.770
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The use of bacterial counts in two mexican shrimp hatcheries

Abstract: Counts oí' viable heterotrophic bacteria. C'ihrio-like bacteria and total colilòrms were perlòrmed in sca\+ater supply. l'ood stocks and broodstock pools at tuo aquacultural facilities located in Mexico. '1 hc hiph abundance of these bacteria1 groups indicates risl\ areas that must bc monitored to control potential pathogens. such as I 'ihrio spp. I-iltering systems and food supplies, such as Artenw spp. and í'rcsh or frozen sca tòod. wre found to bc the most important sourccs oïpotcntial pathogcns. /L¿,J, wo,… Show more

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Cited by 9 publications
(8 citation statements)
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“…Similarly, Lizárraga-Partida et al [25] recorded concentrations from 1 × 10 4 to 1 × 10 7 CFU•mL −1 in cultured microalgae used to feed Litopenaeus vannamei larvae. In general, a direct relationship was observed between the concentration of heterotrophic bacteria and cell density of C. muelleri, since in the first three culture volumes, the concentration of heterotrophic bacteria increased as microalgal biomass increased, whereas at 400-L column both cell density and the number of heterotrophic bacteria decreased.…”
Section: Bacterial Growthmentioning
confidence: 89%
“…Similarly, Lizárraga-Partida et al [25] recorded concentrations from 1 × 10 4 to 1 × 10 7 CFU•mL −1 in cultured microalgae used to feed Litopenaeus vannamei larvae. In general, a direct relationship was observed between the concentration of heterotrophic bacteria and cell density of C. muelleri, since in the first three culture volumes, the concentration of heterotrophic bacteria increased as microalgal biomass increased, whereas at 400-L column both cell density and the number of heterotrophic bacteria decreased.…”
Section: Bacterial Growthmentioning
confidence: 89%
“…Bacterial infections, especially those generated by the genus Vibrio, create serious mortality problems in the culture of larval stages. It is not possible to develop these cultures in sterile media, but the potential sources of contamination can be controlled by treating the water by filtration or UV irradiation (Liltved et al, 1995) and, in the larviculture of fish and crustaceans, by improving the sanitary quality of the Artemia nauplii used as food because they can become an important vector for the transmission of Vibrio and other pathogenic bacteria (Verdonck et al, 1994;Lizárraga-Partida et al, 1997). Due to the lack of information regarding the bacterial flora associated with the Mexican populations of Artemia, nauplii obtained from cysts from several sites in Mexico were analyzed in this study.…”
Section: Materiales Y Métodosmentioning
confidence: 99%
“…Existe una gran variedad de géneros bacterianos relacionados con los quistes y nauplios de Artemia (Austin and Allen, 1982;Igarashi et al, 1989;Gómez-Gil, 1993). El de mayor importancia para la acuicultura es Vibrio, que ha sido registrado por Montoya-Rodríguez (1992), Pector et al (1994), Verdonck et al (1994), Lizárraga-Partida et al (1997) y López-Torres (1997) en nauplios de Artemia. En la Bahía de San Francisco, Straub y Dixon (1993) encontraron una gran variedad de géne-ros bacterianos en nauplios de A. franciscana, y observaron que la composición específica cambia conforme aumenta la salinidad del agua, (1994), Verdonck et al (1994), Lizárraga-Partida et al (1997) and López-Torres (1997).…”
Section: Regiónunclassified
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