Egg Storage
Egg Storage - Related Videos
01:23
Storage
0 Views •
2025
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
02:25
Egg Laying Assay: A Method to Quantify the Egg-Laying Behavior of C. elegans
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2023
C. elegans egg-laying behavior can provide important information in developmental, reproductive, and anatomical studies. This video introduces the important steps of an egg laying assay and shows a sample experiment in which a drug is tested for reproductive toxicity.
03:26
Drosophila Egg Collection and Dechorionation: A Method to Remove the Outermost Egg Layer
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2023
The Drosophila embryo is surrounded by protective outer membranes. To gain access to the embryo, the chorion–the outermost of the membranes–is often removed. This video describes a commonly used method of dechorionation using sodium hypochlorite. The example protocol demonstrates the procedure while employing sterile techniques necessary for axenic or gnotobiotic animal rearing.
05:08
Egg Windowing: A Method of Opening Fertilized Chicken Egg Shell to Expose Chorioallantoic Membrane Vasculature
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2023
In this video, we describe a technique to open the eggshell of a fertilized chicken egg to expose its chorioallantoic membrane or CAM carrying a network of branching blood vessels. The exposed CAM can be used for in ovo tumor modeling.
06:56
Influenza Virus Propagation in Embryonated Chicken Eggs
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Cited by 105 •
2015
Fertile chicken eggs are widely used to produce large amounts of human influenza A virus as they provide a convenient and cost-effective system to prove high yields of virus.
FAQs
Temperature control affects the egg’s metabolic activity and helps preserve cellular stability during storage. If conditions are not appropriately regulated, metabolism and membrane integrity can be disrupted, reducing developmental competence. For this reason, temperature is managed together with humidity, gas exchange, and handling practices rather than treated as an isolated storage variable.
Cryoprotective agents and carefully regulated cooling help limit ice-crystal formation during cryopreservation. Ice crystals can damage cellular structures and compromise membrane stability, while poorly controlled cooling may reduce survival after storage. Managing both the protective chemicals and the cooling process therefore supports the preservation of viable eggs or oocytes for later fertilization or study.
Humidity and gas exchange help maintain conditions that support structural integrity during storage, while careful handling reduces physical stress on the biological material. These factors work alongside temperature control to limit deterioration. Inadequate control of any one variable can reduce viability, making coordinated environmental management important for reliable preservation and subsequent biological use.
Developmental competence describes an egg’s retained potential to support development after storage and, when appropriate, later fertilization. An egg may remain structurally intact yet lose some of this potential if storage conditions disrupt metabolism or membranes. Evaluating developmental competence therefore provides a more meaningful outcome than assessing appearance or survival alone.
A storage workflow should regulate temperature, humidity, gas exchange, and handling from preparation through retrieval. For long-term preservation, the process additionally uses cryoprotective agents and carefully controlled cooling to reduce ice-crystal damage. Maintaining these conditions consistently helps protect viability, structural integrity, and the potential developmental value of the stored material.
Egg storage supports several biological settings, including reproductive research, assisted reproduction, livestock breeding, hatchery management, and genetic conservation. The appropriate use depends on preserving material until it is needed for fertilization, breeding, or study. By extending access to viable eggs or oocytes, storage can help coordinate biological work across different times and research or management activities.
Storage studies can reveal how temperature, humidity, gas exchange, handling, cryoprotective agents, and cooling affect metabolism, membrane stability, viability, and developmental competence. These outcomes help researchers identify conditions that better preserve biological material. In biology, the findings can guide improvements in reproductive research, breeding programs, hatchery practices, and the conservation of valuable genetic material.