P. W. PlumsteadDr. Plumstead is an associate professor in monogastric nutrition and poultry science at the University of Pretoria, South Africa, and technical director of Chemunique PTY LTD.From the AuthorEgg ProductionFeed enzymes can grow Nigerian poultry producers’ profitabilityNigeria, sub-Saharan Africa’s second biggest economy and its most populous country, has been best known in recent years for its oil and gas industries which have made up around 97 percent of the country’s revenues.Page 1 of 1