The animal feed industry, which is growing at 10-15% annually, is highly attractive to foreign investors, who are steadily expanding their production.
A flock of five ducks have made a home on Hoan Kiem Lake in recent days.
The last two surviving animals from Mosul's dilapidated zoo arrived this week at an animal shelter in Jordan, after months of malnutrition and a long journey out of Iraq that included being stuck at the border for 12 days.
Experts in Vietnam and other countries are voicing their concern over the use and overwork of elephants for tourism activities in Southeast Asia.
The Prime Minister has recently approved an action plan to conserve primates in Vietnam until 2025 with a vision to 2030.