Show y tuberculosis IS SPREAD BY HENS the transmission of fowl or avian tuberculosis through the egg Is a negligible factor in ln spreading the disease acco according iding to the results of extensive experiments conducted by or ir 0 P fitch division chief and it II E H lub lehnsen and ruth N of the veterinary medicine staff at university farni farm st paul minn glnn the experiments peri pert ments have been running about IL a year and the experimenters havo have so eo far examined nearly SOO eggs laid by about 40 known liens hens affected with various forms of the disease mony many of the eggs were exam ined by inoculation into the bodies of chickens and many others have been cultured none of the birds or a few animals so inoculated has bus ua as yet developed tuberculosis these results would seem secir to indicate say tho the authors that tubercle bacilli are not usually transmitted through the egg eg and that the danger in this manner Is not great tuberculosis among chickens Is es cs specially pec lally ally frequent in iowa minnesota north and south dakota and sin bin close housing necessary in winter months contributes to the spreading of infection tuberculosis in farm flocks becomes significant because of its relation to the tuberculosis of cattle and swine in 21 out of 25 cases examined by a nebraska station veterinarian it was found that tuberculosis of swine was contracted from barnyard fowls experiments have also alho shown that the skin form of tuberculosis of cattle may be produced by the fowl or avlan avian type |