Effect of organic and inorganic manganese supplementation on performance and eggshell quality in aged laying hens.
Heydar ZarghiAhmad HassanabadiNafise BarzegarPublished in: Veterinary medicine and science (2023)
In the aged laying hens, Mn requirement is higher than the NRC's recommendation. Sulphate and organic sources of Mn are more effective than Mn-oxide.