Results 21 to 30 of about 1,977 (216)

A Reliable Method to Assess Keel Bone Fractures in Laying Hens From Radiographs Using a Tagged Visual Analogue Scale

Frontiers in Veterinary Science, 2018
Up to 97% of laying hens housed in aviary systems are affected by keel bone fractures. Due to the scope of the problem, multiple efforts investigating causes and consequences of fractures have been conducted. The most frequently used techniques to detect
Christina Rufener, Sarah Baur, Ariane Stratmann, Michael J. Toscano   +3 more
doaj   +1 more source

Evaluation of Poultry Stunning with Low Atmospheric Pressure, Carbon Dioxide or Nitrogen Using a Single Aversion Testing Paradigm

Animals, 2020
Low atmospheric pressure stunning (LAPS) has been suggested for use in poultry under 4 kg in the abattoir as a more humane alternative to carbon dioxide (CO2).
Thomas C. Gent, Sabine Gebhardt-Henrich, Sarah-Lina Aagaard Schild, Abdulsatar Abdel Rahman, Michael J. Toscano   +4 more
doaj   +1 more source

Groups and Individuals: Optical Flow Patterns of Broiler Chicken Flocks Are Correlated with the Behavior of Individual Birds

Animals, 2021
Group level measures of welfare flocks have been criticized on the grounds that they give only average measures and overlook the welfare of individual animals. However, we here show that the group-level optical flow patterns made by broiler flocks can be
Sabine G. Gebhardt-Henrich, Ariane Stratmann, Marian Stamp Dawkins   +2 more
doaj   +1 more source

Effect of maternal dietary manipulation and in ovo injection of nutrients on the hatchability indices, post-hatch growth, feed consumption, feed conversion ratio and immunocompetence traits of turkey poults

Journal of Applied Animal Research, 2018
Two hundred turkey breeder hens and 24 viable toms of 30-35 weeks (wk) old of small white variety were distributed into 2 treatment groups having 4 replicates First four replicates were offered diet A [National Research Council. 1994.
Amitav Bhattacharyya, Samir Majumdar, Subrat Kumar Bhanja, Asit Baran Mandal, Mukund Kadam   +4 more
doaj   +1 more source

Animal-appropriate housing of ball pythons (Python regius)-Behavior-based evaluation of two types of housing systems.

PLoS ONE, 2021
Considering animal welfare, animals should be kept in animal-appropriate and stress-free housing conditions in all circumstances. To assure such conditions, not only basic needs must be met, but also possibilities must be provided that allow animals in ...
Tina Hollandt, Markus Baur, Anna-Caroline Wöhr   +2 more
doaj   +1 more source

Effect of Different Housing System on the Morphological Traits, Physiological Responses and Behavioral Observations of Sirohi Kids

International Journal of Bio-Resource and Stress Management, 2021
The research was carried out at the Instructional Livestock Farm, College of Veterinary and Animal Sciences, Udaipur (RAJUVAS), Rajasthan, India during September to December, 2021 to determine how the conventional and loose housing systems affect the ...
H. A. Waiz, L. Gautam
doaj   +1 more source

Research Note: A validation of an image-based method to estimate chicken comb size

Poultry Science
: Chicken combs carry important information about the individual, especially the size has been related to sexual reproduction, health, and social signaling.
Klara J. Grethen, Laura Candelotto, Yamenah Gómez, Michael J. Toscano   +3 more
doaj   +1 more source

Genome-wide association study of durations in zones of an aviary for laying hens

Poultry Science
Identifying how birds interact with their environment and selecting birds that are more suitable for specific housing systems could be beneficial for commercial egg production.
Kyle Hoeksema, Christine F. Baes, Sabine G. Gebhardt-Henrich, Matthew B. Petelle, Michael J. Toscano, Bayode O. Makanjuola   +5 more
doaj   +1 more source

Domestication and breeding objective did not shape the interpretation of physical and social cues in goats (Capra hircus)

Scientific Reports, 2023
Artificial selection by humans, either through domestication or subsequent selection for specific breeding objectives, drives changes in animal cognition and behaviour.
Christian Nawroth, Katrina Wiesmann, Peter Schlup, Nina Keil, Jan Langbein   +4 more
doaj   +1 more source

Goats (Capra hircus) From Different Selection Lines Differ in Their Behavioural Flexibility

Frontiers in Psychology, 2022
Given that domestication provided animals with more stable environmental conditions, artificial selection by humans has likely affected animals' ability to learn novel contingencies and their ability to adapt to changing environments.
Christian Nawroth, Katrina Rosenberger, Nina M. Keil, Jan Langbein   +3 more
doaj   +1 more source