- http://www.animalsaustralia.org/factsheets/dairy_cows.php
- http://www.dairy.edu.au/discoverdairy/learning-resources/background-information/s20-how-cows-make-milk
- https://www.voiceless.org.au/our-approach/research-and-publications/the-life-of-the-dairy-cow
- http://www.rspca.org.au/campaigns/dairy-cows
- http://www.plantea.com/manure.htm
Saturday, 21 November 2015
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