How soon can you tell if a duck egg is fertile? One of my females laid their first egg today (the male has been frequently mating with them) and I want to
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Sitting ducklings: Timing of hatch, nest departure, and predation risk for dabbling duck broods - Peterson - 2019 - Ecology and Evolution - Wiley Online Library
Candled Mallard Duck Eggs... Are they alive or no? | BackYard Chickens - Learn How to Raise Chickens
What should my duck eggs look like, candling day 19 | BackYard Chickens - Learn How to Raise Chickens
![Minden Pictures - Nigel Jarrett, Aviculture manager, candling a mallard egg (Anas platyrynchos) taken from an egg-turning incubator full of duck eggs, WWT Slimbridge, UK, May 2009 - Nick Upton/ npl Minden Pictures - Nigel Jarrett, Aviculture manager, candling a mallard egg (Anas platyrynchos) taken from an egg-turning incubator full of duck eggs, WWT Slimbridge, UK, May 2009 - Nick Upton/ npl](https://www.mindenpictures.com/cache/pcache2/90103322.jpg)
Minden Pictures - Nigel Jarrett, Aviculture manager, candling a mallard egg (Anas platyrynchos) taken from an egg-turning incubator full of duck eggs, WWT Slimbridge, UK, May 2009 - Nick Upton/ npl
![Candling a duck egg. Eggs are candled to observe the development of the chicken or duck embryo and veins. candling is done in | CanStock Candling a duck egg. Eggs are candled to observe the development of the chicken or duck embryo and veins. candling is done in | CanStock](https://cdn.w600.comps.canstockphoto.com/candling-a-duck-egg-stock-image_csp8972126.jpg)
Candling a duck egg. Eggs are candled to observe the development of the chicken or duck embryo and veins. candling is done in | CanStock
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