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Comparison of avidin and biotin levels in eggs from turkey hens with high and low hatchability records. 1987

E J Robel

Levels of biotin and avidin were assayed in eggs from Small White turkey hens having 12-15 week average hatchability of fertile egg records (HF) of 13 and 99%. The median level and concentration of avidin was higher in eggs of the 13% HF (2.72 mg and 42.5 micrograms/ml, respectively) as compared with the 99% HF (1.39 mg and 23.8 micrograms/ml, respectively). Calculations for total biotin to avidin binding in the eggs revealed that all eggs in the 13% HF and residual free avidin levels after total biotin was complexed to avidin. This complex formation is expected to have limited the availability of biotin for embryonic development.

UI MeSH Term Description Entries
D010063 Ovum A mature haploid female germ cell extruded from the OVARY at OVULATION. Egg,Egg, Unfertilized,Ova,Eggs, Unfertilized,Unfertilized Egg,Unfertilized Eggs
D012098 Reproduction The total process by which organisms produce offspring. (Stedman, 25th ed) Human Reproductive Index,Human Reproductive Indexes,Reproductive Period,Human Reproductive Indices,Index, Human Reproductive,Indexes, Human Reproductive,Indices, Human Reproductive,Period, Reproductive,Periods, Reproductive,Reproductive Index, Human,Reproductive Indices, Human,Reproductive Periods
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001360 Avidin A specific protein in egg albumin that interacts with BIOTIN to render it unavailable to mammals, thereby producing biotin deficiency.
D001710 Biotin A water-soluble, enzyme co-factor present in minute amounts in every living cell. It occurs mainly bound to proteins or polypeptides and is abundant in liver, kidney, pancreas, yeast, and milk. Vitamin H,Biodermatin,Biokur,Biotin Gelfert,Biotin Hermes,Biotin-Ratiopharm,Biotine Roche,Deacura,Gabunat,Medebiotin,Medobiotin,Rombellin,Biotin Ratiopharm,Gelfert, Biotin,Hermes, Biotin,Roche, Biotine
D014422 Turkeys Large woodland game BIRDS in the subfamily Meleagridinae, family Phasianidae, order GALLIFORMES. Formerly they were considered a distinct family, Melegrididae. Meleagridinae,Meleagrididae

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