The Farm-poultry . known bacteriologist, who investi-gated the mortality upon a poultry farm atOrpington, where four hundred to five hun-dred binls were habitually kept upon twoacres of land, or more than double the numberabove laid down. The birds would be appar-ently well even thirty-six hours before death,then were attacked by a thin yellow diarrh<i a,became sluggish, and in a day or so died, tinpost mortem the spleen was found greatlyenlarged and soft, the liver also enlarged anddisorganized; the coats of the intestines con-sklerably inflamed. The blood was swarmingwith bacteria, which,


The Farm-poultry . known bacteriologist, who investi-gated the mortality upon a poultry farm atOrpington, where four hundred to five hun-dred binls were habitually kept upon twoacres of land, or more than double the numberabove laid down. The birds would be appar-ently well even thirty-six hours before death,then were attacked by a thin yellow diarrh<i a,became sluggish, and in a day or so died, tinpost mortem the spleen was found greatlyenlarged and soft, the liver also enlarged anddisorganized; the coats of the intestines con-sklerably inflamed. The blood was swarmingwith bacteria, which, being isolated in purecultures and cultivated in the usual way,caused the disease in about five days wheninoculated into healthy fowls. The bacteriaalso swarmed in the evacuations, and it wasfound that fowls given food polluted by theseevacuations were also attacked by the becomes perfectly clear in the light ofthese facts. Without discussing how the dis-ease Jirst arises—and many bacteriologists arefarmpoultry1120unse. 4


Size: 1499px × 1666px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectpoultrynortheasterns