@inproceedings{fdi:010020356, title = {{P}reliminary study of the source of {A}eromonas hydrophila infection on {P}angasius hypophthalmus larvae}, author = {{S}upriyadi, {H}. and {K}omarudin, {O}. and {S}lembrouck, {J}acques}, editor = {}, language = {{ENG}}, abstract = {{O}ne of the main problems that has to be faced by {P}angasius hypophthalmus breeders is the high mortality of the larvae, which can be a consequence of both cannibalism and bacterial diseases. {T}he aim of this study was to explore the possible sources of {A}eromonas hydrophila that may result in an infection of {P}angasius hypophthalmus larvae. {I}solation of bacteria was made from water source, {A}rtemia culture medium, {A}rtemia nauplii used as feed, ova (unfertilised eggs), sperm, and fed as well as unfed larvae that were collected every day from hatching, up to the age of 7 days. {C}haracterisation of bacteria was done on the basis of morphological, physical and biochemical characteristics. {T}he serological method of identification using polyclonal {A}eromonas hydrophila antiserum was used. {T}he results indicated an absence of bacteria from sperm. {B}y contrast, bacteria {A}lcaligenes sp. were isolated from source of water, unfertilised eggs and from 1-day-old larvae. {P}roteus sp. were isolated from the 1st day of age in fed larvae and from the 7th day in unfed larvae. {A}eromonas hydrophila were isolated from larvae of 2 days of age, and {A}eromonas punctata from 2-days-old unfed larvae, meanwhile {P}lesiomonas shigelloides were identified from fed larvae of 2 and 4 days of age, and from 2-days-old unfed larvae. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{POISSON} {D}'{EAU} {DOUCE} ; {PISCICULTURE} ; {LARVE} ; {MORTALITE} ; {BACTERIE} ; {INFECTION} ; {ISOLEMENT} {D}'{AGENT} {PATHOGENE} ; {TRANSMISSION} ; {ETUDE} {EXPERIMENTALE} ; {INDONESIE} ; {JAWA}}, numero = {}, pages = {219--222}, booktitle = {{T}he biological diversity and aquaculture of clariid and pangasiid catfishes in {S}outh-{E}ast {A}sia : proceedings of the mid-term workshop of the "{C}atfish {A}sia project"}, year = {1998}, URL = {https://www.documentation.ird.fr/hor/fdi:010020356}, }