The interest in the connection shown by the author between breeding tropical birds and lung cancer has expanded to the health risks of the intensive breeding of poultry, pigs and cattle for consumption. Since the fifties of the 20th century, intensive breeding in livestock has increased sharply. The production of meat (products), poultry, pork and other meat tripled between 1980 and 2010 and is expected to double again. An increase that keeps pace with the recent increase in cancer mortality....

In het verleden zijn veel grote en kleine zoogdieren gedomesticeerd. De populatie heeft immuniteit verworven tegen de grote epidemiën uit het verleden. Zoönotische infecties zoals de zwarte pest, pokken, tuberculose, mazelen, tyfus en cholera kunnen worden behandeld met vaccinatie en antibiotica. Sinds het midden van de twintigste eeuw hebben we een nieuwe situatie, veroorzaakt door de intensieve veeteelt. Al het vlees wordt alleen geproduceerd door handmatige inseminatie van runderen, vark...

Increase in diseases transmitted from livestock to humans:

- Zoonoses as BSE, SARS, MERS, Q Fever and the spread of multi-drugs resistant bacteria were the result

- Live animal-based food markets are related to highly pathogenic influenza

- Increase in cancer is, very recently, since mid 20th century

- Oncogenic retroviruses as chicken and bovine leukemia viruses are now detected in our food chain with more refined lab methods

- Bovine leukemia virus was detected in breast cancer tissue of women

- Consumption of meat is related to colorectal can...