...://www.biologists.com/user-licence-1-1/ Summary: Vitamin E and corticosterone apparently have antagonistic effects on body growth in yellow-legged gull embryos but vitamin E is not limiting. Antioxidant Glucocorticoid hormone Larus michahellis Egg maternal substance Embryo development...

... to a degree that may impede normal embryo development; (2) the guillemot eggshell surface is self-cleaning; (3) shell accessory material (SAM) prevents debris from blocking pores, allowing relatively unrestricted gas diffusion across the eggshell. We showed that natural debris reduces the conductance of gases...

... the evolution of larger eggs is rejected. Embryo development Fish Hypoxia Male size Normoxia Paternal care Syngnathidae Parental care is a phylogenetically widespread phenomenon ( Clutton-Brock, 1991 ; Reynolds et al., 2002 ). In fish, lack of parental care is the norm, but in species...

...Antonio Brante; Miriam Fernández; Frédérique Viard SUMMARY Encapsulation is a common strategy among marine invertebrate species. It has been shown that oxygen and food availability independently constrain embryo development during intracapsular development. However, it is unclear how embryos...