Learn how to calculate reproduction costs to estimate expenses for identically reproducing assets or properties using four main methods and tips for accuracy.

The intensification of livestock production systems is a prerequisite to meet the growing demand for animal products. Genetic selection, assisted reproductive technologies and optimized reproduction ...

Figure 2: Neighbour-joining dendrogram of the genetic (allele-shared) distances between queens (Q), gynes (G) and male sperms (M) collected over all the five sites (A–E). A comparison between nests ...

Birds do it, and bees do it. Indeed, researchers estimate that over 99.9% of eukaryotes reproduce sexually. What, then, are the true costs and benefits of sex? Yet again, this simple example ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Mice ain’t nothing but mammals, but, as a new paper published ...

The first babies conceived in space were cockroaches. When they were born on Earth, scientists said the offspring were bigger, grew faster, ran faster, and took on a dark-red color. Credit: Ian Moore ...

ARCHIVO - Alimentos vedados durante el embarazo, como el huevo y el pescado crudos, ya no pueden dañar al bebé si los ingiere la madre durante la lactancia. Foto: Uwe Anspach/dpa In a recent and ...

Since the birth of the first "test tube baby" in 1978, more than three million children have been born with the help of reproductive technology. Most of them are healthy. But as a group they're at a ...

Human Reproduction is a peer-reviewed scientific journal covering all aspects of human reproduction, including reproductive physiology and pathology, endocrinology, andrology, gonad function, ...

While scientists have previously observed “virgin births” in vertebrates such as sharks, rays and reptiles – a reproductive strategy thought to aid survival during periods of isolation – this is the ...

Who needs men? A female shark separated from her long-term mate has developed the ability to have babies on her own. Leonie the zebra shark (Stegostoma fasciatum) met her male partner at an aquarium ...