. Gleanings in bee culture . condary invadingorganisms which cause most of the varia-tions and so-called abnormalities in thesymptoms of European foul brood. Uniform Symptoms in American FoulBrood. It may be well to turn now to Americanfoul brood for comparison. Fortunately theproblem in this disease is much more sim-ple. The symptoms in American foul broodnearly always are found to be uniform incharacter. Every diseased cell contains adead larva or scale, all having practically the same appearance as to consistency, colorand position in the cell. This is true evenunder varied external conditi
. Gleanings in bee culture . condary invadingorganisms which cause most of the varia-tions and so-called abnormalities in thesymptoms of European foul brood. Uniform Symptoms in American FoulBrood. It may be well to turn now to Americanfoul brood for comparison. Fortunately theproblem in this disease is much more sim-ple. The symptoms in American foul broodnearly always are found to be uniform incharacter. Every diseased cell contains adead larva or scale, all having practically the same appearance as to consistency, colorand position in the cell. This is true evenunder varied external conditions (Fig. 2). The reason for the uniformity of symp-toms in this disease, in comparison with thegreat variations sometimes found in Euro-pean foul brood, is explained by the factthat in American foul brood there is foundpractically never another micro-organismassociated with the disease. This is Bacil-lus larvae, the cause of the disease. Thispathogenic, spore-forming organism notonly kills the larA^a but carries out the de-.
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbees, bookyear1874
