. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. /yV /A/CUBATOff Cycle or Infection. CHICKS //Y B/fOOOEf? /iOUOE Figure 1. Pullorum Disease Infection in a Floclt May Follow This Cycle. The disease can be eradicated either by breaking the cycle of infection through the elimination of the infected birds by means of the macroscopic agglutination test, or by disposing of the entire infected flock and replacing it with pullorum disease-free stock. 8. What is a pullorum disease "carrier"? A "carrier" is an infected bird that did not succum
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture -- Massachusetts. /yV /A/CUBATOff Cycle or Infection. CHICKS //Y B/fOOOEf? /iOUOE Figure 1. Pullorum Disease Infection in a Floclt May Follow This Cycle. The disease can be eradicated either by breaking the cycle of infection through the elimination of the infected birds by means of the macroscopic agglutination test, or by disposing of the entire infected flock and replacing it with pullorum disease-free stock. 8. What is a pullorum disease "carrier"? A "carrier" is an infected bird that did not succumb to the disease during chickhood or became infected before or during maturity. 9. How is the organism eliminated by adult birds? The organism eliminated in the droppings (secretions and excretions from the digestive, and reproductive tracts), in eggs, through abrasions in the skin, and from the mouth, nostrils, and eyes. The organism has been isolated abscess in the foot, which at one time appeared to have communicated exterior. The organism has also been found in the respiratory system, ently the organism is eliminated most frequently in eggs and droppings. may be urinary, possibly from an with the Appar-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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