Related topics: sperm · fertilizer · offspring · birds · embryos

France pledges to end chick culling in 2022

France will outlaw the culling of male chicks in the poultry industry in 2022 after years of protests from animal welfare activists, Agriculture Minister Julien Denormandie said Sunday.

Biological fireworks show 300 million years in the making

Five years ago, researchers at Northwestern University made international headlines when they discovered that human eggs, when fertilized by sperm, release billions of zinc ions, dubbed "zinc sparks."

New model predicts spotted lanternfly egg hatching

Research conducted by scientists in Penn State's College of Agricultural Sciences has led to the creation of an online tool that can help predict seasonal egg hatch for spotted lanternflies.

Females supercharge sperm evolution in animals

Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job—to fertilize eggs? In a new article published in Nature Ecology and Evolution, researchers from ...

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