Columbia subject headings:
Cattle--Genetic engineering--Law and legislation--Ecuador.
Food security--Law and legislation--Ecuador.
Transgenic animals--Law and legislation--Ecuador.
Harvard subject headings:
Cattle--Genetic engineering--Law and legislation--Ecuador.
Food security--Law and legislation--Ecuador.
Transgenic animals--Law and legislation--Ecuador.
Princeton subject headings:
Cattle--Genetic engineering--Law and legislation--Ecuador.
Food security--Law and legislation--Ecuador.
Transgenic animals--Law and legislation--Ecuador.