In organic agriculture, the use of antibiotics and artificial hormones is not allowed. Therefore, both A and B are not required by organic agriculture but can be used in sustainable agriculture.
On the other hand, enough space for animals to behave naturally (C) is a requirement for both organic and sustainable agriculture practices as it promotes animal welfare and healthier livestock.
USDA certification (D) is required by organic agriculture to ensure that the products meet the specific standards set by the United States Department of Agriculture for organic production. This certification is not a strict requirement for sustainable agriculture practices, although some sustainable farms may choose to obtain it to demonstrate their commitment to certain principles.
In summary, organic agriculture requires enough space for animals to behave naturally and USDA certification, while it prohibits the use of antibiotics and artificial hormones. Sustainable agriculture, on the other hand, may or may not use antibiotics and hormones but can incorporate practices that align with environmental and social sustainability goals.
