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Effects of 20-day litter weight on weaned piglets’ fighting behavior after group mixing and on heart rate variability in an isolation test
Fighting Behavior Isolation Test Skin Lesion Score Heart Rate Variability Autonomic Nervous System
2017/3/9
The objective of this study was to investigate the effect of 20-day litter weight on behavior and heart rate variability (HRV) of piglets under stress.
Effect of insemination-related factors on pregnancy rate using sexed semen in Holstein heifers
Holstein sex-sorted semen estrus sperm quality intracornual insemination fertility
2016/12/20
The objectives were to determine the effects of insemination with sexed semen at spontaneous and induced estrus, fixed-time insemination at synchronized estrus, the deposition site, estrous intensity,...
Energetic cost of rearing a pup seen in soaring metabolic rate of sea otter mom
rearing a pup seen soaring metabolic rate sea otter mom
2016/8/11
The idyllic sight of a sea otter mother nursing a pup while basking in the peaceful waters of Monterey Bay can conceal the true extent of her devotion. Lactation is one of the most demanding physiolog...
Nocturnal Light Pulses Lower Carbon Dioxide Production Rate without Affecting Feed Intake in Geese
Feed Intake Goose Intermittent Lighting Metabolic Rate Photoperiod
2016/5/19
This study was conducted to investigate the effect of nocturnal light pulses (NLPs) on the feed intake and metabolic rate in geese. Fourteen adult Chinese geese were penned individually, and randomly ...
Effects of dietary copper supplementation on nutrient digestibility, serum biochemical indices, and growth rate of young female mink (Neovison vison)
minks copper sulfate fat digestibility
2015/7/2
The objective of this study was to determine whether nutrient digestibility and growth performance of mink were affected by different dietary copper levels. Ninety-six 60-day-old healthy female minks ...
Uterine size in replacement gilts associated with age, body weight, growth rate, and reproductive status
pig reproduction puberty uterus
2015/7/2
The objective of the present study was to determine the association between the uterine size and age, body weight, growth rate, and reproductive status in Landrace × Yorkshire crossbred gilts. Genital...
Effects of GnRH, PGF2α and oxytocin treatments on conception rate at the time of artificial insemination in lactating dairy cows
cow spontaneous oestrus GnRH PGF2伪 oxytocin pregnancy
2015/6/9
In several studies, hormones such as gonadotropin-releasing hormone (GnRH), prostaglandins and oxytocin were used to increase pregnancy rate by inducing ovulation and improving the sperm transport in ...
The relationship between culling rate, herd structure and production efficiency in a pig nucleus herd
pig computer simulation culling rate
2015/6/8
Computer simulation of sow culling was run in a nucleus herd. The specified constant culling rate from 15 to 21% was simulated for all parities. The resultant different age structure of a herd was stu...
The influence of litter age, litter temperature and ventilation rate on ammonia emissions from a broiler rearing facility
ammonia litter broiler chickens grow-out period ventilation rate
2015/6/8
The research reported in this article attempts to address the ammonia problem by quantifying the effect of several variables on ammonia concentrations and emissions. These variables include litter tem...
Genetic gain, increase in inbreeding rate and generation interval in alternatives of Pinzgau breeding program
Pinzgau breed gene flow genetic gain generation interval inbreeding milk
2015/6/1
The aim of this paper was to analyse alternatives of Pinzgau breeding program. Alternatives were optimised for genetic gain of selection index composed of parameters of milk efficiency traits and incr...
The effect of carnitine on hatching rate and metabolic profile of blood in breeding layers
layers; L-carnitine; reproduction; haematological and biochemical parameters
2015/6/1
We examined the effect of orally administered L-carnitine (at a dose of 30 mg per kg of feeding mixture) on egg hatching and some haematological and biochemical parameters of blood plasma in COBB 500 ...
Influence of Temperature and Humidity on Pregnancy Rate of Murrah Buffaloes under Subtropical Climate
Threshold Temperature Humidity Index Non Heat Stress Zone Heat Stress Zone
2016/5/18
Heat stress has adverse effects on fertility of dairy animals. Decline in fertility is linearly associated with an increase in combination of both temperature and humidity. The purpose of this study w...
Effect of triacylglycerols of medium-chain fatty acids on growth rate and mortality of rabbits weaned at 25 and 35 days of age
rabbits early weaning lipid supplements
2015/4/2
Three hundred Hyplus rabbits reared on a commercial farm were weaned at the age of 25 days and 300 rabbits were weaned at the age of 35 days. Early-weaned and conventionally weaned rabbits were assign...
Effects of Feeding Rate and Water Temperature on Growth and Body Composition of Juvenile Korean Rockfish, Sebastes schlegeli (Hilgendorf 1880)
Sebastes schlegeli Feeding Rate Water Temperature Growth Performance
2016/5/16
Three feeding trials were conducted to evaluate the effects of feeding rate and water temperature on growth and body composition of juvenile Korean rockfish, Sebastes schlegeli rearing at 3 different ...
The Ewe’s Reproductive Performance, Growth Rate and Carcass Quality of Lambs Kept in a Barn vs Those Kept under an Overhead Shelter
Reproductive Performance Meat Quality Harsh Environment
2016/5/11
A herd of polish lowland local sheep was divided into two equal groups: the first group was kept under an overhead shelter, and the second group was kept in a warm barn. The effect of maintenance on e...