PoultryUSA - October 2017 - 38
38 ❙ WATTPoultryUSA
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reduction of woody breast, particularly in maintaining this nutrition as
broilers get older.
In an early study, Italian researchers achieved a reduction in
the overall severity of woody breast
when two levels of phytase and inositol were super-dosed to 49 days of
age. A field study by AB Vista that
fed broilers ethoxyquin and organic
selenium achieved similar reductions in the severity of woody breast.
amino acid reductions
The most effective super-dosing
strategies, York said, have fed multiple antioxidants in the grower diet,
including ethoxyquin, zinc, selenium
and iron - what she refers to as the
"kitchen sink" approach.
"It is not until everything is
combined in the feed formulation
treatment that weight gains were
achieved without the most severe
form of woody breast," she said.
York speculated that a combination of super-dosing with antioxidants and reducing amino acid
levels might be effective in reducing woody breast conditions while
achieving desired breast meat yields.
The feasibility of such an approach, she said, depends upon how
big of an issue woody breast is for a
The 2017 Poultry Nutrition &
Milling Seminar was cosponsored
by the Alabama Feed & Grain
Association and the World's Poultry
Science Association. ■
www.WATTAgNet.com ❙ October 2017