The Expressions of the Immunity- and Muscle Development-Related Genes of 40-Day-Old Broilers Are Promoted in Response to the In Ovo and Dietary Supplemental Administration of Calcidiol in Conjunction with the In Ovo Administration of Marek's Disease Vaccine. - Fatemi SA; Levy AW; Peebles ED (Animals : an open access journal from MDPI, 2024)