This decommissioned ERA site remains active temporarily to support our final migration steps to https://ualberta.scholaris.ca, ERA's new home. All new collections and items, including Spring 2025 theses, are at that site. For assistance, please contact erahelp@ualberta.ca.
Search
Skip to Search Results- 2Eggshell quality
- 125-hydroxycholecalciferol
- 1Bone breaking strength
- 1Bone mineralization
- 1Egg production
- 1Laying hen
-
Effects of dietary 25-hydroxycholecalciferol on growth, production performance, eggshell quality and bone traits of brown egg layers housed under commercial conditions
DownloadFall 2017
The effects of dietary 25-hydroxycholecalciferol (25OHD) on growth, production performance, eggshell quality and bone characteristics of laying hens were evaluated in a field trial in Colombia. At day 1 of age, a total of 17,750 Hy-Line Brown pullets were placed on a commercial farm, in 3 houses...
-
Effects of phytase in laying hen diets reduced in available phosphorus and calcium on productivity, eggshell quality, and bone mineralization of white egg layers
DownloadSpring 2021
Phosphorus and Ca are essential for maintaining egg production and bone health of laying hens. The effects of marginal or moderate reductions in available P (aP) and Ca in layer diets, with or without phytase supplementation on performance, egg production, apparent ileal digestibility (AID) and...