This study was carried out with the purpose of evaluating the effect of supplementing hens'
diets with trace minerals from inorganic or organic sources on the productive performance …

Productive traits and immunity in laying hens decrease sharply during the late phase of
laying due to aging, which negatively affects the metabolism and hormonal status of the …

The eggshell, which is a complex and highly ordered structure, is very important factor for
food safety and egg marketing. This study investigated the changes in eggshell structure …

The objective of this study was to investigate the effects of low inclusion levels of organic
trace minerals (iron, copper, manganese, and zinc) on performance, eggshell quality, serum …

Decades of intensive genetic selection in commercial layers has resulted in earlier
maturation, while sustaining high production rates to 100 wks of age (woa). To support …

This study evaluated the effects of dietary supplemental levels and sources of manganese
(Mn) on performance, eggshell quality, ultrastructure, and components in laying hens. A total …

This study aimed to determine the mechanism by which H9N2 avian influenza virus (AIV)
affects eggshell quality. Thirty-week-old specific pathogen free egg-laying hens were …

Eggshells are one of the most abundant byproducts of food processing waste. Each
discarded eggshell represents a missed opportunity to convert a no‐cost waste material into …

This study evaluated the mechanical and ultrastructural changes during eggshell formation
in laying hens by using the optimal levels of organic and inorganic manganese (Mn). A total …

This study was conducted to determine the effect of 25-hydroxyvitamin D (HDV) and
essential oils (EO) on the uterus antioxidant capacity, egg quality, and eggshell …