HLSC 2P21 Chapter Notes - Chapter 13: Radiography, Sucker Free, Irradiation
2 Dec 2016
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Technological changes: antibiotics are given to slaughter animals to increase growth, bovine growth hormone: injecting into cows, increasing their milk production but has negative affects to their health. Not approved in canada: gmo (genetically modi ed organism): direct insertion of dna from 1 specie to another. Not required to be labelled: conventional modi cations: selective breeding to develop genetic characteristics desired. !1: irradiation: treatment of food using x-rays, gamma rays or electron beams to kill. Wednesday, november 30, 2016 the pathogens that can be present in food. Industrialization of animal-based food production: bse (known as mad cow disease): disease that gradually destroys the brains of the cow and causes related incurable fatal disorder in humans referred to cid. Changes in farm size and labour: family farms change to larger and fewer industrial farms due to technology, immigrants usually work for these farms.
