Poultry International - January 2017 - 20

YEARS

This is the first article in
WATT Global Media's
100-year anniversary series.

Future of poultry
breeding, balanced
genetic selection
Geneticists say economically important traits will
improve as balanced selection efforts result in
broilers and layers that perform well and have high
welfare under a variety of management and
nutritional regimens.
BY TERRENCE O'KEEFE
In the developed world, the broiler and layer industries find themselves
in an unusual situation. Performance measures for livability, growth rate,
feed conversion, and carcass and slaughter yield have never been better for broilers, and the same is true for persistency of lay, livability and feed conversion
for layers. However, activist group activities and consumers in the developed
world have a heightened interest in animal welfare and transparency, so
poultry producers are being challenged to manage their flocks so they are
productive and presentable for a photo shoot throughout their lives.

Selecting layers in varied environments
Fortunately, poultry breeding companies recognized these consumer and activist trends years ago and began adapting their selection
programs to produce genetic stock that is adaptable to multiple housing
situations, has improved performance on bird welfare measures
and continues to be more productive with each generation.
The movement out of cages for laying hens started in
Broilers will likely continue to Europe, but it is spreading rapidly to North America.
have the potential to be raised
Laying hen strains have proven adaptable to cageto higher weights as balanced
free environments because breeders began adding
selection continues to improve welfare cage-free environments for their selection lines
and meat quality traits, rate of weight more than 20 years ago.
gain and feed conversion rates.
Frans van Sambeek, research and development
Photo courtesy of Cobb-Vantress
director, ISA, said selection for the important cagefree behavioral traits like nesting behavior and lower
aggressiveness won't really slow progress on economically important traits like persistency of lay or egg size and qualwww.WATTAgNet.com ❙ January 2017


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Table of Contents for the Digital Edition of Poultry International - January 2017

Poultry International - January 2017
Contents
Editor’s Comment
News
EU poultry production forecast positive over next decade
Top Russian broiler producers grow in tough market
Antibiotic-free poultry’s broader economic implications
Layer nutrition: 12 perennial points of anxiety
Layer nutrition: 12 perennial points of anxiety
8 checks to minimize poultry processing rejects
Products
Marketplace
Advertisers’ Index
Poultry International - January 2017 - Poultry International - January 2017
Poultry International - January 2017 - Cover2
Poultry International - January 2017 - Contents
Poultry International - January 2017 - Editor’s Comment
Poultry International - January 2017 - 3
Poultry International - January 2017 - 4
Poultry International - January 2017 - News
Poultry International - January 2017 - 6
Poultry International - January 2017 - 7
Poultry International - January 2017 - EU poultry production forecast positive over next decade
Poultry International - January 2017 - 9
Poultry International - January 2017 - 10
Poultry International - January 2017 - 11
Poultry International - January 2017 - Top Russian broiler producers grow in tough market
Poultry International - January 2017 - 13
Poultry International - January 2017 - 14
Poultry International - January 2017 - 15
Poultry International - January 2017 - Antibiotic-free poultry’s broader economic implications
Poultry International - January 2017 - 17
Poultry International - January 2017 - 18
Poultry International - January 2017 - 19
Poultry International - January 2017 - 20
Poultry International - January 2017 - 21
Poultry International - January 2017 - 22
Poultry International - January 2017 - 23
Poultry International - January 2017 - Layer nutrition: 12 perennial points of anxiety
Poultry International - January 2017 - 25
Poultry International - January 2017 - 26
Poultry International - January 2017 - 27
Poultry International - January 2017 - 8 checks to minimize poultry processing rejects
Poultry International - January 2017 - 29
Poultry International - January 2017 - 30
Poultry International - January 2017 - 31
Poultry International - January 2017 - 32
Poultry International - January 2017 - 33
Poultry International - January 2017 - Products
Poultry International - January 2017 - 35
Poultry International - January 2017 - 36
Poultry International - January 2017 - 37
Poultry International - January 2017 - 38
Poultry International - January 2017 - 39
Poultry International - January 2017 - 40
Poultry International - January 2017 - 41
Poultry International - January 2017 - 42
Poultry International - January 2017 - Marketplace
Poultry International - January 2017 - Advertisers’ Index
Poultry International - January 2017 - Cover3
Poultry International - January 2017 - Cover4
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