1-Lecture_18

1-Lecture_18 - Why are egg contents so important?...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture 18 – Notes Maternal Effects influences by a mother on offspring fitness or quality Can occur before fertilization or after hatch Includes both physiological and behavioral influences In what major way do maternal effects differ between mammals and birds? Maternal effects can be exerted through: 1. Preparing egg contents 2. Adjusting offspring sex 3. Adjusting the environment after hatch
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Why are egg contents so important? Components of eggs YOLK Lipids Biotin – necessary for growth Hormones Carotenoids Maternal Antibodies ALBUMIN Proteins – building blocks for growth & energy Water Ovalbumin – protease inhibitor Ovotransferrin – binds Fe and Zinc Ovomucin – impenetrable by bacteria Lysozyme – kills gram+ bacteria Avidin – binds biotin...
View Full Document

This note was uploaded on 04/08/2011 for the course POUL 3123 taught by Professor Navara during the Spring '09 term at UGA.

Page1 / 2

1-Lecture_18 - Why are egg contents so important?...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online