Detecting sow vulva size change around estrus using machine vision technology
The LiDAR camera has the potential as a non-invasive tool to help identify the sow's estrus.
Abstracts - Facilities and equipment
Composting for the disposal of ASFV-infected swine carcasses
Infectious ASF virus particles were rapidly destroyed at day 3.
Impact of two commercial weaning and transport strategies on piglet behaviour, body weight change, lesions and lameness following transport
This study observed impacts of both proximity to weaning and transport duration on piglet welfare indicators.
Effect of drinker type on water disappearance of nursery pigs
Results suggest that water disappearance from nipple drinkers was greater than for cup drinkers.
Refining the piglet grimace scale
Results suggest that orbital tightening and ear position may be reliable facial action units for the piglet grimace scale.
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AbstractBoot bath efficacy with wet and dry disinfectants for PEDV and PRRSV
For this trial, dry disinfectant was the most efficacious in reducing the viral RNA on both boots and subsequent surfaces.
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At #CAHE, we officially ..Illuminated vs. dark pens: Piglet preferences for lying, feeding and activity
Illuminance could be used to divide the pens into functional areas and, thus, help in meeting pigs’ behavioural needs.
Effect of farrowing pen size on pre-weaning performance of piglets
These results suggest no benefit in piglet performance from increasing the width of farrowing pens.
Characteristics of thermal images of the mammary gland and of performance in sows differing in health status and parity
Thermography coupled with Artificial Intelligence systems can help identify and orient the diagnosis of symptomatic animals to prompt adequate reaction at the earliest time.
Comparing three types of supplemental heat sources for piglets
These results suggest electric-heated mats and heat lamps were comparable in maintaining the performance and postural behaviors of piglets.
Effect of phase feeding, space allowance and mixing on productive performance of grower-finisher pigs
Mixing and reducing SID Lys:NE ratio had a more marked impact on performance than reducing space allowance.
Evidence of viral survival in feed and feed ingredients during long-distance commercial transport
Viral pathogens of pigs can survive in representative volumes of feed and feed ingredients during long-distance commercial transport across the continental United States.
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Evolution of NH3 concentrations in weaner pig buildings based on setpoint temperature
The proposed equations can be used for modeling ammonia concentrations and to improve animal welfare and productivity.
Classification of pig calls produced from birth to slaughter according to emotional valence and context of production
Results suggest that an automated recognition system can be developed to monitor pig welfare on-farm.
Improving the humification and phosphorus flow during swine manure composting
This study investigated the effects of using acidic substrates on the humification and/or P migration as well as on microbial succession during swine manure composting.
Effects of cooled floor pads and chilled drinking water on behavior and performance of lactating sows under heat stress
Cooled floor pads combined with chilled drinking water did not affect sow behavior, but did alleviate heat stress partially.
Sensing technology: Applications to the analysis of Iberian ham aroma
The choice of a feature extraction strategy is a trade-off between the amount of chemical information that is preserved, and the computational effort required to generate the data models.
Effect of space allowance and mixing on growth performance and body lesions of grow-finish pigs
Mixing had a considerable effect on growth performance and there were a high number of body lesions in the lower space allowance.
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Distribution of African swine fever virus within a feed mill environment
ASF virus became widely distributed throughout the facility with only minor changes in detection frequency as subsequent batches of feed were produced.
More nipple cup drinkers on day of weaning affects piglet water access and aggression
Multiple drinkers provided more frequent and longer water access along with decreased aggression near the water source.
Plastic-wrapped composting system for mortality disposal during animal disease outbreak
After a 7-wk composting period, Salmonella spp. and vaccine strains of Bovine herpesvirus-1 and Bovine viral diarrhea virus were inactivated using the composting system.
Using automatic pig feeding stations to estimate direct and social effects of feeding duration
Visit duration of an animal at the single-space feeder was influenced by both direct and social effects when the replacement time between visits was less than 1 minute.
Contactless video-based heart rate monitoring of a resting and an anesthetized pig
The developed algorithm based on video data has potential to be used for contactless heart rate measurement.
Effect of pen design on tail biting in finishing pigs with intact tails
Certain pen modifications resulted in fewer tail damaged pigs and a better overall welfare assessment, despite a tendency for more tail-directed behaviour.
Water medication calculator
Simulator that calculates the amount of drug to add to the water when using a flow dispenser.