Effects of dietary conjugated linoleic acid on the fatty acid profile and cholesterol content of egg yolks from different breeds of layers

Poultry Science
J D YinZ Y Wang

Abstract

Brown Dwarf hens and White Leghorn hens were fed corn- and soybean meal-based diets containing 0, 2.5, or 5.0% conjugated linoleic acid (CLA) for 56 d to explore the effects of dietary CLA on the fatty acid profile and cholesterol content of egg yolks from laying hens of different breeds. Four hens were placed in 1 cage, and 3 cages were grouped as 1 replicate, resulting in 6 replicates per treatment. After feeding the experimental diets for 11 d, eggs were collected to determine the fatty acid composition of the egg yolks. From d 54 to 56, eggs were collected to measure the cholesterol content of yolks, and on d 56, a hen was selected randomly from each replicate and bled to determine the cholesterol content in plasma. There was a significant effect of layer breed on layer performance and egg composition. Concentrations of stearic, arachidonic, and docosahexaenoic acids were higher in the yolks of Brown Dwarf hens than in those of White Leghorn hens. Enrichment of cis-11, trans-13 was higher in the yolks of White Leghorns, but cis-10, cis-12 was higher in those of Brown Dwarf hens. In contrast, feed intake and egg weight, as well as yolk weight and its ratio to egg, were decreased by the 5% dietary CLA treatment. Egg productio...Continue Reading

References

Aug 15, 1998·Biochemical and Biophysical Research Communications·K N LeeJ M Ntambi
Sep 3, 1999·Poultry Science·M Chamruspollert, J L Sell
Aug 9, 2002·Journal of Agricultural and Food Chemistry·Lin YangZhen-Yu Chen
Jul 8, 2003·The British Journal of Nutrition·Beata Szymczyk, Paweł M Pisulewski

❮ Previous
Next ❯

Citations

May 6, 2010·Critical Reviews in Food Science and Nutrition·Ricard BouFrancesc Guardiola
Apr 27, 2018·Nutrition and Cancer·Aneta A Koronowicz, Paula Banks
Dec 1, 2017·The British Journal of Nutrition·Jing TangJaap Keijer
Jul 14, 2016·Journal of Food Science and Technology·Muhammad NadeemAnjum Khalique
Aug 21, 2019·Animals : an Open Access Journal From MDPI·Mahmoud AlagawanyKuldeep Dhama
Feb 6, 2017·Journal of Animal Physiology and Animal Nutrition·M C AchilonuM M Sedibe
Oct 28, 2020·Journal of Animal Physiology and Animal Nutrition·Agnieszka BiałekTeresa Banaszkiewicz
Jan 9, 2021·Animal Science Journal = Nihon Chikusan Gakkaihō·Tatsuhiko GotoDaichi Ijiri

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.