date:Jun 11, 2015
mental pressures on the planet. It is estimated that as much as 18% of greenhouse gas emissions come from terrestrial animal proteins.
Aquaculture also has minimal impacts on resources. By decreasing the large size of fish, aquaculture farms have been able to reach a 1:1 feed conversion ratio. This means 1 pound of feed yields 1 pound of body mass. Mammal proteins do not have such a low feed conversion ratio. Averages are 6.8:1 for cattle, 2.9:1 for pigs and 1.7:1 for chicken. Keeping these rati