March/April 2022 - 26

SUSTAINABILITY
Dominic Assali of Assali Hulling &
Shelling holds dairy cattle feed
containing almond hulls and shells.
Photos: Almond Board of California
ZERO WASTE
From feed to plastics, the
almond industry is making
sure nothing is wasted
BY WES CRANDALL
CONTRIBUTING WRITER
I
n today's complex and ever changing times, innovation
is not just important and profitable, it's imperative. With
resources taxed, such as water in California, it's a boon
when industries decide to take the initiative and commit to
creating zero waste.
The 2025 Zero Waste Goal is an initiative that the
California Almond Board is pursuing, which focuses on
whole orchard recycling, livestock feed and other use
opportunities.
From cattle feed to human consumption
Hull uses are gaining in popularity as research continues
to look at additional use options. The hull of the almond
26 MARCH/APRIL 2022
is a good source of sugar, fiber,
phytochemicals and antioxidants,
which not only spurred the use in dairy
feed, but is propelling research for hull use
in human food products.
Almond hulls.
The dairy industry is the biggest consumer of almond
hulls, nearly taking all of the supply and using it as feed
without any negative impact on the performance of the
animal. This displaces the need for dairy farmers to buy or
grow alfalfa and other feed grains.
Hulls are also showing promise as poultry feed, as research
shows healthy growth for both broiler chickens and egg
layers. Hulls used in feed may help reduce salmonella,
typically associated with uncooked chicken meat, and
improve the quality of the egg yolk because of the hull's
composition. Further research is underway to determine if
these promising benefits will last over the lifetime of either
type of chicken.
The University of Georgia already has related research
going back a few years, and the hope for California is that
not only will hulls prove to be a useful feed item for poultry,
but using them as such will reduce the carbon emissions and
costs associated with shipping feed.
" Hulls are a bulky product, and it's not cost effective to ship

March/April 2022

Table of Contents for the Digital Edition of March/April 2022

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https://www.nxtbook.com/greatamericanmediaservices/NNG/january-february-2023
https://www.nxtbook.com/greatamericanmediaservices/NNG/november-december-2022
https://www.nxtbook.com/greatamericanmediaservices/NNG/september-october-2022
https://www.nxtbook.com/greatamericanmediaservices/NNG/july-august-2022
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