Results 31 to 40 of about 161,156 (283)

Thermal Response of Three Strains of Hens Housed in a Cage-Free Aviary at the Amazon Rainforest

open access: yesBrazilian Journal of Poultry Science, 2021
This study aimed to evaluate the thermal response of three strains of hens housed in a cage-free system at the Amazon rainforest in order to evaluate how feather coverage influences thermal exchange with the environment.
JPF Rufino   +6 more
doaj   +1 more source

Feed selectivity of laying hens undergoing different beak trimming in two rearing systems

open access: yesCiência Rural, 2018
: The present research was conducted to evaluate whether different beak trimming methods and rearing systems affected the feed selectivity of laying hens. A total of 178 Hy-line Brown laying hens in the growing phase and 120 hens in the production phase
Rafael Alan Baggio   +7 more
doaj   +1 more source

Developing and Evaluating Poultry Preening Behavior Detectors via Mask Region-Based Convolutional Neural Network

open access: yesAnimals, 2020
There is a lack of precision tools for automated poultry preening monitoring. The objective of this study was to develop poultry preening behavior detectors using mask R-CNN. Thirty 38-week brown hens were kept in an experimental pen.
Guoming Li, Xue Hui, Fei Lin, Yang Zhao
doaj   +1 more source

Laying hen production and welfare in a cage-free setting is impacted by the northern fowl mite

open access: yesJournal of Applied Poultry Research, 2022
SUMMARY: The northern fowl mite (Ornithonyssus sylviarum) is a common blood-feeding ectoparasite of poultry that can cause decreased egg production and reduced hen welfare.
R.A. Jarrett   +6 more
doaj   +1 more source

The Effect of Housing Environment on Commercial Brown Egg Layer Production, USDA Grade and USDA Size Distribution

open access: yesAnimals, 2023
Consumer demand for retail cage-free eggs is driving the layer industry towards greater use of extensive housing environments. However, there is limited research on how these environments affect egg production characteristics of brown egg layers, as was ...
Benjamin N. Alig   +3 more
doaj   +1 more source

Tracking dustbathing behavior of cage-free laying hens with machine vision technologies. [PDF]

open access: yesPoult Sci
Dustbathing (DB) is a functionally important maintenance behavior in birds that clean plumage, realigns feather structures, removes feather lipids, which helps to remove parasites and prevents feathers from becoming too oily. Among different natural behaviors birds perform in cage-free (CF) housing, DB is one of the important behavior related to bird ...
Paneru B, Bist R, Yang X, Chai L.
europepmc   +4 more sources

Evaluation of Physical Egg Quality Parameters of Commercial Brown Laying Hens Housed in Five Production Systems

open access: yesAnimals, 2023
This study evaluates the effect of housing environment on the egg quality characteristics of brown egg layers as many different environments are currently used in the industry.
Benjamin N. Alig   +2 more
doaj   +1 more source

Behavior recognition of cage-free multi-broilers based on spatiotemporal feature learning. [PDF]

open access: yesPoult Sci
Poultry behavior indicates their health, welfare, and production performance. Timely access to broilers' behavioral information can improve their welfare and reduce disease spread. Most behaviors require a period of observation before they can be accurately judged.
Hu Y   +6 more
europepmc   +4 more sources

Economic Feasibility in Commercial Egg Production in a Conventional and Cage-Free Systems with Different Stocking Densities [PDF]

open access: yesBrazilian Journal of Poultry Science, 2022
Adapting existing laying facilities to meet animal welfare certifications is not a simple task. It causes higher expenses to producers, who are often hesitant to accept the need for changes.
LSN Oliveira   +9 more
doaj   +1 more source

The Animal Agriculture Industry’s Perspective On Advocates & Cage-Free Reforms

open access: yes, 2023
This Faunalytics report reviews a small sample of animal agriculture trade publications to examine how the industry responds and reacts against advocacy tactics.
Jack Stennett   +2 more
openaire   +1 more source

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