The total project cost is estimated at US$12.3 million.
The plant is fully operational and designed to produce both mash and pelleted feed.
EHUA plans to source up to 100,000 tonnes of soybeans annually, producing soybean oil and protein-rich meal for feed.
The proposal centres on increasing youth-led production of yellow maize and soya while strengthening aggregation, storage, oilseed processing, feed milling and distribution.
The latest commitment follows the US$270 million National Poultry Transformation Programme, formalised in August with four investment partners.
GMP+ certification is one of the most recognised and respected quality assurance systems in the global animal feed industry.
The new subsidiary will invest in building an aquaculture feed production facility in Ecuador, formalising a project TFM first announced in February 2027.
Stronger research links could help livestock farmers adopt new technologies and access timely information on animal health and farm management.
Thailand’s fast-growing pet food industry and position as the world’s second-largest exporter make it a key growth market for Purina.
The investment will expand production capacity, meet growing demand and strengthen supply resilience in growing feed markets.