@BOOK{NAP4963, author = "National Research Council", title = "Effect of Environment on Nutrient Requirements of Domestic Animals", isbn = "978-0-309-03181-3", doi = "10.17226/4963", url = "https://nap.nationalacademies.org/catalog/4963/effect-of-environment-on-nutrient-requirements-of-domestic-animals", year = 1981, publisher = "The National Academies Press", address = "Washington, DC" }