| bacterial analysis of fertilized eggs of atlantic salmon from the penobscot, naraguagus, and machias rivers, maine. | serious losses have occurred at the u.s. fish and wildlife service, craig brook national fish hatchery, east orland, maine, among eggs that were taken from atlantic salmon salmo salar, which were held as captive broodfish during their returns to the penobscot river, naraguagus river, and machias river to spawn. bacterial isolations were attempted from external surfaces and the internal contents of individual eggs. externally and in all cases, pseudomonas fluorescens was the predominant bacterium ... | 2015 | 26223244 |