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Mating Battle Between Wild Cuttlefish Captured on Video for First Time
Mating Battle Wild Cuttlefish Captured Video for First Time
2017/7/19
It sounds like Shakespearean drama: A male fights to protect his mate after a rival steals her away, using all his cunning and strength to win her back. Yet this encounter played out not on the stage,...
Researchers Quantify in High Speed a Viper’s Strike in Nature for the First Time（图）
Researchers Viper’s Strike Nature First Time
2017/2/16
Feeding is paramount to the survival of almost every animal, and just about every living organism is eaten by another. Not surprisingly, the animal kingdom shows many examples of extreme specializatio...
Stressed snakes strike first
snakes strike first
2017/1/9
Whether a wild cottonmouth snake will attempt to strike in an encounter depends on its baseline stress level, according to a team of scientists led by undergraduate researcher Mark Herr."Most people t...
Estimation of Genetic Parameters for First Lactation Monthly Test-day Milk Yields using Random Regression Test Day Model in Karan Fries Cattle
Test-day Milk Yield Random Regression Model Heritability Genetic Correlation Karan Fries Cattle
2016/7/27
A single trait linear mixed random regression test-day model was applied for the first time for analyzing the first lactation monthly test-day milk yield records in Karan Fries cattle. The test-day mi...
ASU studies are first time an anticipatory mechanism has been found in social organisms
ASU anticipatory mechanism social organisms
2016/4/13
Keeping honeybees healthy is critical to the world’s food supply.A lack of adequate nutrition for bees is blamed as one of many possible causes for colony collapse disorder — a mysterious syndrome tha...
First Study of Arthropods in U.S. Homes Finds Huge Biodiversity
Arthropods U.S. Homes Biodiversity
2016/2/22
Although humans and arthropods have been living and evolving together for all of our history, we know very little about the arthropods we share our homes with apart from major pest groups. Here we sur...
First Study of Arthropods in U.S. Homes Finds Huge Biodiversity
Arthropods U.S. Homes Huge Biodiversity
2016/1/23
Although humans and arthropods have been living and evolving together for all of our history, we know very little about the arthropods we share our homes with apart from major pest groups. Here we sur...
Indiana University study shows first evidence for independent working memory systems in animals
Indiana University independent working memory systems animals
2016/1/22
A new study from Indiana University could help ensure the hundreds of millions of dollars spent each year to develop potential treatments for Alzheimer's disease aren't wasted on targeting the wrong t...
Rare nautilus sighted for the first time in three decades（图）
nautilus sighted first time three decades
2015/9/9
In early August, biologist Peter Ward returned from the South Pacific with news that he encountered an old friend, one he hadn’t seen in over three decades. The University of Washington prof...
Genetic Analysis of Milk Yield in First-Lactation Holstein Friesian in Ethiopia: A Lactation Average vs Random Regression Test-Day Model Analysis
Dairy Cattle Genetic Parameters Random Regression Test-Day Model Test-Day Records
2016/5/18
The development of effective genetic evaluations and selection of sires requires accurate estimates of genetic parameters for all economically important traits in the breeding goal. The main objective...
A Genome Wide Association Study on Age at First Calving Using High Density Single Nucleotide Polymorphism Chips in Hanwoo (Bos taurus coreanae)
Single Nucleotide Polymorphism Whole Genome
2016/5/17
Age at first calving is an important trait for achieving earlier reproductive performance. To detect quantitative trait loci (QTL) for reproductive traits, a genome wide association study was conducte...
The Effect of Age at First Calving and Calving Interval on Productive Life and Lifetime Profit in Korean Holsteins
Age at First Calving Calving Interval Lifetime Profit Productive Life
2016/5/12
This study was performed to estimate the effect of age at first calving and first two calving intervals on productive life and life time profit in Korean Holsteins. Reproduction data of Korean Holstei...
Lactation Persistency as a Component Trait of the Selection Index and Increase in Reliability by Using Single Nucleotide Polymorphism in Net Merit Defined as the First Five Lactation Milk Yields and Herd Life
Economic Weights Milk Yield Persistency Herd Life Selection Index
2016/5/10
We first sought to clarify the effects of discounted rate, survival rate, and lactation persistency as a component trait of the selection index on net merit, defined as the first five lactation milks ...
Estimation of Genetic Parameters and Trends for Weaning-to-first Service Interval and Litter Traits in a Commercial Landrace-Large White Swine Population in Northern Thailand
Genetic Parameters Litter Traits Service Interval Swine Trends Tropical
2016/5/4
The objectives of this research were the estimation of genetic parameters and trends for weaning-to-first service interval (WSI), and litter traits in a commercial swine population composed of Landrac...
The retroviruses which gave rise to HIV have been battling it out with mammal immune systems since mammals first evolved around 100 million years ago – about 85 million years earlier than previously t...