Poultry International - February 2018 - 19

PoultryInternational ❙ 19

Perch space per hen is an example
of a resource-based welfare
standard.
| Austin Alonzo

Outcome-based welfare measures attempt to quantify the impact of the bird's environment and the management of the poultry house on the bird. Examples of
outcome-based measures are morbidity and mortality,
body condition, feather cover, injury and air quality. 
Sometimes outcome-based measures are referred to as
animal-based measures.
Outcome-based welfare measures have several
advantages: they apply across all housing systems, are
flexible, allow for continuous improvement, can benefit
hen welfare and economics for the producers, and they
have high acceptability.
Mench said the UEP will move to outcome-based
standards for its UEP-Certified program.
The World Organization for Animal Health (OIE)
has developed broiler welfare standards and is in the
process of developing welfare standards for laying
hens. OIE welfare standards are focused primarily on
outcome-based welfare measures.

Measuring bird outcomes
Mench cited feather loss for laying hens as a good
February 2018 ❙ www.WATTAgNet.com

outcome-based welfare measure. Feather loss occurs
in all housing systems; examination of the hens can
provide insight into the reason for the feather loss,
whether it is from feather pecking, aggression or rubbing against the enclosure. Feather loss can also lead to
a more serious problem - cannibalism. Feather loss is
recognized as a welfare issue and a production issue. It
is a production issue because poorly feathered birds are
less well insulated and have to eat more feed to maintain their body temperature.
Focusing on the welfare outcome, without mandating how it is achieved, provides the flexibility for innovation and the opportunity for continuous improvement. This is particularly important when trying to
improve performance on welfare measures that have
multiple possible causes like feather and vent pecking.
Mench said the ultimate goal of any welfare system
should be to improve bird welfare over time. Making
outcome-based measurements allows the producer to
know where they are today and give them the opportunity to make changes that will lead to improvements in
the future. These measures can then be used to bench-


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Table of Contents for the Digital Edition of Poultry International - February 2018

Poultry International - February 2018
Contents
Editor’s Comment
News
China’ s poultry industry production, sales weak in 2018
VICTAM Asia to showcase latest in feed, food industries
New German hatchery focuses on complete transparency
Refrigerated eggs versus shelves: Is one method safer?
Top 10 broiler producers in Latin America
Improve poultry welfare with outcome-based standards
How to increase broiler feed intake
Costs, benefi ts of controlled atmosphere stunning
How broiler physiology impacts poultry yields
Products
Marketplace
Ad Index
Poultry International - February 2018 - BB1
Poultry International - February 2018 - BB2
Poultry International - February 2018 - Poultry International - February 2018
Poultry International - February 2018 - Cover2
Poultry International - February 2018 - Contents
Poultry International - February 2018 - Editor’s Comment
Poultry International - February 2018 - 3
Poultry International - February 2018 - News
Poultry International - February 2018 - 5
Poultry International - February 2018 - China’ s poultry industry production, sales weak in 2018
Poultry International - February 2018 - 7
Poultry International - February 2018 - 8
Poultry International - February 2018 - 9
Poultry International - February 2018 - VICTAM Asia to showcase latest in feed, food industries
Poultry International - February 2018 - 11
Poultry International - February 2018 - New German hatchery focuses on complete transparency
Poultry International - February 2018 - 13
Poultry International - February 2018 - Refrigerated eggs versus shelves: Is one method safer?
Poultry International - February 2018 - 15
Poultry International - February 2018 - Top 10 broiler producers in Latin America
Poultry International - February 2018 - 17
Poultry International - February 2018 - Improve poultry welfare with outcome-based standards
Poultry International - February 2018 - 19
Poultry International - February 2018 - 20
Poultry International - February 2018 - 21
Poultry International - February 2018 - How to increase broiler feed intake
Poultry International - February 2018 - 23
Poultry International - February 2018 - Costs, benefi ts of controlled atmosphere stunning
Poultry International - February 2018 - 25
Poultry International - February 2018 - 26
Poultry International - February 2018 - 27
Poultry International - February 2018 - 28
Poultry International - February 2018 - 29
Poultry International - February 2018 - How broiler physiology impacts poultry yields
Poultry International - February 2018 - 31
Poultry International - February 2018 - 32
Poultry International - February 2018 - 33
Poultry International - February 2018 - Products
Poultry International - February 2018 - Marketplace
Poultry International - February 2018 - Ad Index
Poultry International - February 2018 - Cover3
Poultry International - February 2018 - Cover4
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