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No social distancing in the Cretaceous:New study finds earliest evidence for mammal social behavior（图）
No social distancing Cretaceous earliest evidence mammal social behavior
2020/11/6
A new study led by U.S. National Science Foundation-funded paleontologists at the University of Washington and its Burke Museum of Natural History & Culture indicates that the earliest ...
At first glance, humans seem to have very little in common with Cassiopea, a primitive jellyfish. Cassiopea is brainless, spineless, and spends essentially its entire life sitting upside down on the o...
African leopards revealed:Study documents minute-to-minute behavior of elusive cats
African leopards documents minute-to-minute behavior elusive cats
2017/7/24
The elusive behavior of the African leopard has been revealed in great detail for the first time as part of a sophisticated study that links the majestic cat's caloric demands and its drive to kill.A ...
In Sex-Changing Fish,Male-Typical Sexual Behavior Associated With Elevated Expression Of Male Sex Hormone Receptors In Muscles
Sex-Changing Fish Male-Typical Sexual Behavior Male Sex Hormone Receptors Muscles
2017/7/21
Sex-changing fish exhibit differences in androgen receptor (AR) expression in muscles that are highly sensitive to androgens (male sex hormones) and essential for male courtship behavior, according to...
Case Western Reserve University researcher discovers fish uses sneaking behavior as stealth mating strategy
Case Western Reserve University researcher fish uses sneaking behavior stealth mating strategy
2017/3/13
While a dominant male fish from northern Mexico mates with a female, a small fella bides his time in the offing. Suddenly, the little guy darts in ahead of Mr. Big and plants his seeds on freshly laid...
Effects of Weaning and Spatial Enrichment on Behavior of Turkish Saanen Goat Kids
Environmental Enrichment Turkish Saanen Growth Bipedal Animal Welfare
2016/7/27
As is in all economic activities, the highest yield per unit area is the main goal in animal production, while addressing the temperamental needs of animals often is ignored. Animal welfare is not onl...
Disruptions to embryonic reprogramming alter adult mouse behavior
embryonic reprogramming adult mouse
2016/2/22
Right after fertilization, embryos at the earliest stages of development tell their genes: "Forget what it was like in the sperm or egg where you came from."
When the process of epigenetic reprogramm...
Whole Genome Association Study to Detect Single Nucleotide Polymorphisms for Behavior in Sapsaree Dog (Canis familiaris)
Sapsaree Single Nucleotide Polymorphism Behavior Heritability Genome-wide Association
2016/5/18
The purpose of this study was to characterize genetic architecture of behavior patterns in Sapsaree dogs. The breed population (n = 8,256) has been constructed since 1990 over 12 generations and manag...
Population Dynamics, Chick Diet, and Foraging Behavior of the Razorbill (Alca torda) at Matinicus Rock, Maine
source-sink dynamics diving, temperature-depth recorder
2015/1/4
During the summers of 2007-2009, I studied the population growth and reproductive and foraging ecology of the Razorbill (Alca torda) at Matinicus Rock (MR), Maine. This medium-sized marine bird in the...
Effect of Individual, Group or ESF Housing in Pregnancy and Individual or Group Housing in Lactation on Sow Behavior
Group Individual Housing ESF Sow Behavior
2016/5/3
To evaluate the effect of different housing systems on sow behavior, 80 gilts were randomly allocated at puberty to four treatments: i) sow stall in gestation followed by farrowing crate (SC), ii) gro...
The Influence of Activity Space on the Behavior of Giant Pandas (Ailuropoda melanoleuca) in Captivity
Giant panda (Ailuropoda melanoleuca) activity space behavioral elasticity behavioral rigidity estrous behavior
2010/3/29
We studied the impact of activity space on the estrous behaviors of 11 healthy adult female and 3 adult male giant pandas with natural mating ability from the Beijing, Lanzhou, and Chengdu Zoos, and t...
Observations on the Ecology, Reproduction and Behavior of Spermophilus Bennett, 1835 (Mammalia: Rodentia) in Turkey
Spermophilus ecology reproduction behavior Turkey
2010/3/29
Field and laboratory investigations on the ecology, reproduction and behavior of Spermophilus citellus and Spermophilus xantophrymnus were performed over a period of 4 years. Both S. citellus and S. x...
Effects of Season, Housing and Physiological Stage on Drinking and Other Related Behavior of Dairy Cows (Bos taurus)
Drinking Behavior Dairy Cows Season Housing System Physiological Stages
2016/4/18
The objective of the paper was to study the drinking and other related behavior of dairy cows (Bos taurus). There were 142 Holstein dairy cows observed and compared in this study. The experiment was d...
Estrus Behavior and Superovulatory Response in Black Bengal Goats (Capra hircus) Following Administration of Prostaglandin and Gonadotropins
Superovulation Goat eCG hCG Embryo Transfer
2016/4/18
The present study was conducted to explore the possibilities of estrus induction and superovulation in a native Indian breed of goats called `Black Bengal`. Forty-two adult non-pregnant females were d...
Effect of Feeding Systems on Feed Intake, Eating Behavior, Growth, Reproductive Performance and Parasitic Infestation of Black Bengal Goat
Feeding System Intake Growth Reproduction Goat
2016/4/12
The experiment was conducted to find out the effect of 4 feeding systems on growth, feed intake, eating behavior, lactation performance, gestation period, post-partum heat period, conception rate and ...