1. Dr. Shivangi Singh, 2. Dr. Priya Jagota
- Assistant Professor(Department of Animal nutrition) School of Veterinary Science Abhilashi University Mandi H.P.
- Assistant Professor(Department of Animal Nutrition) School of Veterinary science Abhilashi University Mandi H.P
Introduction
One of the most economical and nutrient-dense sources of animal protein is eggs. Consumer interest in functional foods, which offer health advantages beyond basic nutrition, has grown in recent years. One example of a functional food is omega-3 enriched eggs, which are made by altering the laying hens’ diet to raise the amount of omega-3 fatty acids in the egg yolks.
What are Omega-3 Fatty Acid-
Essential polyunsaturated fatty acids that are crucial to human health are omega-3 fatty acids. Alpha-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA) are the three main omega-3 fatty acids. They have been shown to improve immune system performance, brain development, cardiovascular health, and inflammation reduction.
Nutritional Manipulation Through Omega-3 Enrichment-
By feeding laying hens foods high in omega-3, the amount of omega-3 in their eggs can be raised. Typical feed components include:
Both flaxseed and flaxseed oil
Fish oil
Microalgae, or algae meal
Chia seeds
Canola oil
The omega-3 fatty acids from these feed ingredients are absorbed and deposited in the egg yolk, producing eggs with far higher omega-3 levels than regular eggs.
Benifits of Omega-3 Enriched Eggs-
–Boost cardiovascular health in people.
-Encourage the growth of the brain and eyes.
-Make omega-3 fatty acids accessible and reasonably priced.
-Boost the eggs’ market worth.
-Fulfil the increasing demand for functional foods from consumers.
Challanges-
Despite their advantages, there are certain difficulties in producing eggs enhanced with omega-3:
Specialised components result in higher feed prices.
When using a lot of fish oil, there could be a fishy taste.
Omega-3 fatty acids undergo oxidative degradation while being stored.
Types of Omega-3 Fatty Acids-
1.ALA, or alpha-linolenic acid
present in canola oil, flaxseed, and chia seeds.essential fatty acid that humans are unable to produce.
2.EPA, or eicosapentaenoic acid
mostly found in marine sources and fish oil.promotes heart health and aids in the reduction of inflammation.
3.DHA, or docosahexaenoic acid
crucial for both visual and brain development.important structural element of brain tissues.
Mechenism of Omega-3 Deposition in Eggs-
When laying hens eat feed high in omega-3 fatty acids:
-The gut is where fatty acids are absorbed.
-carried by the bloodstream.
-deposited in the yolks of developing eggs.
-Higher quantities of omega-3 fatty acids are found in the resulting eggs.
Effect on Egg Quality-
-Increases omega-3 concentration in yolk.
-May slightly alter yolk color.
– Generally does not affect shell quality.
– Improves nutritional value of eggs.
Human Health Benifits-
Cardiovascular Benefits-Reduces blood triglycerides,Supports normal blood pressure.
Brain Function-Improves cognitive function,Essential for fetal and infant development.
Eye Health-DHA contributes to retinal development.
Anti-inflammatory Effects–Helps reduce chronic inflammation.
Economic Consideration-
-The price of the components of omega-3 feed.
-extra costs associated with production.
-Higher costs are offset by a premium selling price.
-Profitability rises with increased demand.
Factors Affecting Omega-3 Enrichment-
– Type of omega-3 source used.
-Inclusion level in feed.
-Age and breed of hens.
– Feeding duration.
– Storage conditions of eggs.
Advantage for Poultry Industry-
– Production of value-added eggs.
– Higher market price and profitability.
– Improved consumer acceptance.
– Opportunity for niche marketing.
Conclusion-One effective example of nutritional manipulation in poultry production is omega-3 enriched eggs. Producers can improve the nutritional value of eggs and provide consumers a healthier food product by altering the feed of laying hens. Omega-3 enriched eggs are anticipated to be crucial to the poultry industry’s future due to growing health and nutrition consciousness.