Poultry USA - February 2020 - 29

WATTPoultryUSA

B

oth a short- and a longDetecting woody breast chicken with
term solution to wooden
rapid technology: www.WATTAgNet.com/
breast syndrome in
articles/30561
broilers may have come a step
closer thanks to research conducted
at the University of Delaware. The study's findings
used RNA in situ hybridization to determine exactly
may also have implications for human health.
where this gene expression occurred inside the muscle.
Wooden breast first came to the public's attention
some 10 years ago, although studies have found its
Further research
existence in broilers since the 1950s. Its causes, and
Evidence was found of lipoprotein lipase being
hence a solution to the problem have remained elusive.
expressed in endothelial cells in chickens, which was
However, Delaware's studies have found that an
previously unknown. Present in all blood vessels,
enzyme crucial for fat metabolism - lipoprotein
endothelial cells serve as a barrier between the blood
lipase - may be contributing to the syndrome,
and surrounding tissue.
suggesting that feed additives and supplements may
Abasht hypothesized that when more fat is oxidized
offer growers a solution and, longer term, the study
for energy in breast muscle, it may lead to the excessive
may offer genetics companies a new point of reference.
release of free radical molecules that would modify the
The research team was led by Behman Abasht,
muscle's fats and proteins, leading to immune system
animal and food sciences associate professor at the
activation to resolve the problem.
university's College of Agriculture
and Natural Resources, who has been
researching wooden breast syndrome
for almost a decade. In previous
work, his team analyzed the genes
involved in the disease, identifying
biomarkers, and also characterizing
the unique biochemistry of the hardened breast tissue.

Pinpointing the source
In this latest work, Abasht's team
The enzyme lipoprotein lipase may be contributing to woody
noticed that in chickens with the
breast syndrome. Amit Morey
syndrome, the expression of lipoprotein lipase was higher, leading to fat accumulating
Researchers compared this data with gene expresin the breast muscles.
sion signals found in two commercial broiler lines,
Lipoprotein lipase acts as a metabolic gateat three weeks of age and again at market age. They
keeper, regulating how much fat is allowed in a
found young chickens may be showing the same
given tissue. Normally, however, breast muscle
changes as older birds with wooden breast syndrome,
fibers in chickens rely on glucose molecules for fuel
but before it is detectable.
and not fat molecules.
The researchers also reported finding common
Using RNA sequencing, Abasht's team determined
features between wooden breast syndrome in chickens
which genes were being expressed in today's fastand diabetes complications in humans, specifically
growing broilers and in slower-growing birds. They then
diabetic cardiomyopathy. ■
February 2020 ❙ www.WATTAgNet.com

❙ 29


https://www.wattagnet.com/articles/30561-detecting-woody-breast-chicken-with-rapid-technology?v=preview https://www.wattagnet.com/articles/30561-detecting-woody-breast-chicken-with-rapid-technology?v=preview http://www.WATTAgNet.com

Poultry USA - February 2020

Table of Contents for the Digital Edition of Poultry USA - February 2020

Poultry USA - February 2020
Contents
Popeyes’ chicken sandwich is great! Will people switch?
McDonald’s launches new bid to compete in chicken sandwich wars
Could avian flu-resistant chickens be a commercial reality?
Digital technology could streamline the poultry supply chain
ASF drives global poultry market in 2020
Could deboning machinery beat a skilled worker?
How to ensure a clean water supply in the broiler house
Woody breast discovery could offer options for control
Prevention, risk minimization keep foreign materials out
Dark meat is chicken’s next growth engine
Consumers still want value, convenience and flavor
What feed formulators need to know about organic rations
Midwest Poultry Federation Convention 2020: Poultry’s future
Product Review
Market Place
Ad Index
Poultry USA - February 2020 - CT1
Poultry USA - February 2020 - CT2
Poultry USA - February 2020 - Poultry USA - February 2020
Poultry USA - February 2020 - Cover2
Poultry USA - February 2020 - Contents
Poultry USA - February 2020 - Popeyes’ chicken sandwich is great! Will people switch?
Poultry USA - February 2020 - 3
Poultry USA - February 2020 - 4
Poultry USA - February 2020 - 5
Poultry USA - February 2020 - McDonald’s launches new bid to compete in chicken sandwich wars
Poultry USA - February 2020 - 7
Poultry USA - February 2020 - 8
Poultry USA - February 2020 - 9
Poultry USA - February 2020 - 10
Poultry USA - February 2020 - 11
Poultry USA - February 2020 - Could avian flu-resistant chickens be a commercial reality?
Poultry USA - February 2020 - 13
Poultry USA - February 2020 - 14
Poultry USA - February 2020 - 15
Poultry USA - February 2020 - Digital technology could streamline the poultry supply chain
Poultry USA - February 2020 - 17
Poultry USA - February 2020 - ASF drives global poultry market in 2020
Poultry USA - February 2020 - 19
Poultry USA - February 2020 - 20
Poultry USA - February 2020 - 21
Poultry USA - February 2020 - Could deboning machinery beat a skilled worker?
Poultry USA - February 2020 - 23
Poultry USA - February 2020 - How to ensure a clean water supply in the broiler house
Poultry USA - February 2020 - 25
Poultry USA - February 2020 - 26
Poultry USA - February 2020 - 27
Poultry USA - February 2020 - Woody breast discovery could offer options for control
Poultry USA - February 2020 - 29
Poultry USA - February 2020 - Prevention, risk minimization keep foreign materials out
Poultry USA - February 2020 - 31
Poultry USA - February 2020 - 32
Poultry USA - February 2020 - 33
Poultry USA - February 2020 - 34
Poultry USA - February 2020 - 35
Poultry USA - February 2020 - Dark meat is chicken’s next growth engine
Poultry USA - February 2020 - 37
Poultry USA - February 2020 - 38
Poultry USA - February 2020 - 39
Poultry USA - February 2020 - 40
Poultry USA - February 2020 - 41
Poultry USA - February 2020 - Consumers still want value, convenience and flavor
Poultry USA - February 2020 - 43
Poultry USA - February 2020 - 44
Poultry USA - February 2020 - 45
Poultry USA - February 2020 - What feed formulators need to know about organic rations
Poultry USA - February 2020 - 47
Poultry USA - February 2020 - 48
Poultry USA - February 2020 - 49
Poultry USA - February 2020 - Midwest Poultry Federation Convention 2020: Poultry’s future
Poultry USA - February 2020 - Product Review
Poultry USA - February 2020 - Ad Index
Poultry USA - February 2020 - Cover3
Poultry USA - February 2020 - Cover4
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