1. ADHB (2017); Pathogens - the Cause of Mastitis [On-Line] https://dairy.ahdb.org.uk/technical-information/animal-health-welfare/mastitis/pathogens-the-cause-of-mastitis/#.WhU7VNKRqM8
2. Anon (2013); GreenSource: sporting water solution TXTURES MAGASINE (4) pp 42–43 [On-Line]: http://www.tencate.com/Images/131101%20txtures%204%20ENG_tcm21-28580.pdf
3. Quantifying Bacteria on Poultry Carcass Skin
4. The influence of the environment on dairy cow behavior, claw health and herd lameness dynamics
5. Impact from a cattle waste lagoon rupture on a downstream fish farm: a case study Ecología;A. De La Torre;Austral,2004