Mating and Breeding News

November 20, 2024

Top Headlines

Secrets of Horse Genetics for Conservation, Breeding

Nov. 19, 2024 — Researchers are helping uncover new information about the Y chromosome in horses, which will help owners identify optimal lineages for breeding and help conservationists preserve breed ...

New Model Can Help Understand Coexistence in Nature

Nov. 18, 2024 — Different species of seabirds can coexist on small, isolated islands despite eating the same kind of fish. A researcher has been involved in developing a mathematical model that can be used to better understand how this ecosystem ...

Bee Alert: Pesticides Pose a Real Threat to Over 70% of Wild Bees

Nov. 18, 2024 — A new study reveals alarming risks that pesticides pose to ground-nesting bees, which are crucial for pollination and food production. As agriculture increasingly relies on pesticides to protect crops, the unintended consequences for these essential ...

Generation of Rat Offspring from Ovarian Oocytes by Cross-Species Transplantation

Nov. 15, 2024 — Attempts to obtain eggs and offspring using oocytes in ovary have been made for keeping desirable traits in livestock, preserving human fertility, etc. Ovarian transplantation, one of those methods, ...

Latest Headlines

updated 11:20pm EST

How Conflicting Memories of Sex and Starvation Compete to Drive Behavior, Study in Worms Shows

Nov. 14, 2024 — Two conflicting memories can both be activated in a worm's brain, even if only one memory actively drives the animal's behavior, finds a new ...

Scarlet Macaw Parents 'Play Favorites,' Purposefully Neglect Younger Chicks

Nov. 8, 2024 — Researchers have discovered that scarlet macaws purposefully neglect feeding the youngest chicks in most broods, even when resources are plentiful. This results in only one or two chicks being able ...

New Study Maps Dramatic 100-Million-Year Explosion in Color Signals Used by Animals

Nov. 7, 2024 — A recent study finds that color vision evolved in animals more than 100 million years before the emergence of colorful fruits and flowers. And there ...

Deaf Male Mosquitoes Don't Mate

Nov. 5, 2024 — Romance is a complex affair in humans. There's personality, appearance, seduction, all manner of physical and social cues. Mosquitoes are much more blunt. Mating occurs for a few seconds in midair. ...

More Social Species Live Longer

Oct. 27, 2024 — New research has revealed that species that are more social live longer and produce offspring for a greater time-span. This is the first study on this topic which spans the animal kingdom, from ...

Invisible Anatomy in the Fruit Fly Uterus

Oct. 25, 2024 — Drosophila is one of the most thoroughly studied lab animals -- with the exception of the female reproductive tract. Now a team of biologists has taken the first deep look at the Drosophila uterus ...

Bird Study Finds Sons Help Their Parents Less Than Daughters Because They're Scouting Future Prospects

Oct. 24, 2024 — Male birds help their parents less than females because they're too busy scouting for new places to live and breed, a study ...

Cancer Prevalence Across Vertebrate Species Decreases With Gestation Time, May Increase With Adult Mass

Oct. 24, 2024 — Cancer prevalence rates varied widely across vertebrate species and generally increased with higher adult mass and decreased with longer gestation ...

Plastic Chemical Causes Causes DNA Breakage and Chromosome Defects in Sex Cells, Study Finds

Oct. 24, 2024 — A new study conducted in roundworms finds that a common plastic ingredient causes breaks in DNA strands, resulting in egg cells with the wrong number ...

Marri Trees a Lifeline for Many Native Bee Species in Biodiversity Hotspot

Oct. 23, 2024 — New research has revealed Marri trees are critical to the survival of more than 80 species of native bee in Western Australia's South West region, which is one of the world's most biologically rich ...

High Survival Rates Explain 20 Years of Rapid Expansion of Wolves in Germany

Oct. 31, 2024 — Since wolves returned to Germany 20 years ago, they have spread quickly in many parts of the country. The rapid increase in the number of wolves was due to high survival and reproduction rates in ...

Real-Time Visualization of Chick Embryo Development from Egg to Chick

Oct. 16, 2024 — Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...

Elucidating the Neural Basis of Reduced Sexual Receptivity in Female Mice During the Non-Estrus Phase

Oct. 16, 2024 — Researchers investigated the neural mechanisms underlying the behavioral transition from the sexually receptive estrus stage to the non-receptive phase, as part of the hormone-dependent behavioral ...

Male Mice Use Female Mice to Distract Aggressors and Avoid Conflict

Oct. 15, 2024 — Researchers tracked the behavior of mice using machine learning to understand how they handle aggressive behavior from other mice. The researchers' findings show that male mice deescalate ...

Dance, Gibbon, Dance!

Oct. 11, 2024 — Female crested gibbons display jerky, almost geometric patterns of movement. Researchers have studied these conspicuous movements, which are comparable to human dances. They describe the structure of ...

In Studying the Mating Rituals of Fruit Flies, Scientists May Have Learned Something About How Brains Evolve

Oct. 9, 2024 — Researchers have identified how the architecture of brain circuits helps different species flexibly adapt to new mating signals across evolutionary ...

Return of the Elephants Seals: From a Few to Thousands

Sep. 27, 2024 — A new international study has revealed the genetic impact of hunting in northern elephant seals. The research shows that this species narrowly escaped extinction by hunting, resulting in lasting ...

Elucidating the Mechanism Underlying De Novo Membrane Formation During Gametogenesis

Sep. 27, 2024 — Researchers meticulously examined the gametogenesis of budding yeast, a process involving meiosis and spore formation, using live imaging techniques. Their findings revealed that during sporulation, ...

Personality Traits in Geese Linked to Love Match and Reproductive Success

Sep. 21, 2024 — Birds of a feather flock together but strong pairing in geese has been shown to produce better breeding results, according to a new study. Focusing on a group of captive greylag geese, bird behaviour ...

Breakthrough Research Sheds Light on the Hidden Effects of Stress on Sperm

Sep. 11, 2024 — A new study reveals that stress-induced changes in sperm motility occur after a stressful event, rather than during it and improves sperm performance. The discovery is essential in understanding how ...

Beyond Needles: Introducing a New, Nature-Based Approach for Delivering Cargo Into Egg Cells

Sep. 11, 2024 — A new approach for delivering miniature research tools into the interior of egg cells and embryos has been developed, resolving a major bottleneck to using the gene-editing tool CRISPR-Cas9 in many ...

Like Father, Like Daughter

Sep. 10, 2024 — When they become fathers, men who have an unhealthy, high-cholesterol diet can cause increased risk of cardiovascular disease, or CVD, in their daughters, a mouse study has ...

Infertility Challenges Amongst Endangered Wild Songbird Population Revealed in New Study

Sep. 3, 2024 — A groundbreaking study has provided the most comprehensive estimate to date of infertility rates in a threatened wild animal ...

50-Year Generation Gap in Minnesota's Longest-Lived Fish

Sep. 3, 2024 — The bigmouth buffalo is a fish that's native to Minnesota and known for its longevity. Researchers wanted to find out more about the species, especially how they migrate, spawn, and how often ...

New Discoveries About How Mosquitoes Mate May Help the Fight Against Malaria

Aug. 30, 2024 — An international team has uncovered surprising details about mosquito mating, which could lead to improved malaria control techniques and even help develop precision drone flight. The team revealed ...

Rain or Shine? How Rainfall Impacts Size of Sea Turtle Hatchlings

Aug. 28, 2024 — An internationally collaborative study delves into how fluctuating rainfall impacts the development of sea turtle hatchlings, revealing that it has a more profound effect than changes in air ...

Love Is Blind for Male Fruit Flies Who Will Choose Sex Over Safety

Aug. 28, 2024 — Male fruit flies will become oblivious to physical danger as they become more engaged in courtship and ...

Mapping the Sex Life of Malaria Parasites at Single Cell Resolution, Reveals the Genetics Underlying Malaria Transmission

Aug. 26, 2024 — Malaria is caused by a eukaryotic microbe of the Plasmodium genus, and is responsible for more deaths than all other parasitic diseases combined. In order to transmit from the human host to the ...

Honey Bees May Play Key Role in Spreading Viruses to Wild Bumblebees

Aug. 21, 2024 — Honey bees may play a role in increasing virus levels in wild bumble bees each spring, according to researchers who analyzed seasonal trends of parasite and virus transmission in ...

The Power of Face Time: Insights from Zebra Finch Courtship

Aug. 21, 2024 — A new study on songbirds sheds light on the power of social interaction to facilitate learning, insights that potentially apply to human development. Researchers discovered that zebra finches ...