Feed Strategy - October 2019 - 16

16 ❙ FeedStrategy

How to replace corn with
wheat in modern animal diets
When it comes to replacing corn with wheat in animal diets, it pays
to observe the finer details.
IOANNIS MAVROMICHALIS

I

n a previous issue, we examined the nutritive value of
wheat versus that of corn, especially when the former
is considered as a complete replacement for the latter.
In many regions of the world, wheat is used
routinely instead of corn to feed all kinds of farm
animals. It is thus the lack of local knowledge on how
to properly apply wheat in modern formulations that
often lead to disappointments when these two cereals
are interchanged. As it happens, similar disappointments have been recorded in wheat regions when
farmers attempted to use corn.
In this issue, we will examine all remaining aspects
of wheat feeding as it regards its non-nutritive characteristics and the peculiarities pertaining to each
major class of farm animals, mainly poultry, swine and
cattle. As always, the advice of a qualified nutritionist
is imperative in commercial enterprises when such
drastic changes are in order.

Nutrient variability
This aspect of wheat as a grain is so important that it
merits repetition. Nutrients and energy among varieties of
wheat can be more variable and the variability so much
more unpredictable than what can be expected between
wheat and any of the other cereals. This happens because
there are so many commercial varieties of wheat that fit
specific purposes for human foods. Thus, it is always a
priority to at least know what kind of wheat is in the silo.
Hard versus soft wheat is a good basis to begin with, but
there is more to that, so it is good to ask questions before
committing to buying a large lot.

Different mycotoxins
Wheat and corn are raised under different climate
conditions. As such, they do not necessarily suffer
from the same fungus species and the mycotoxins they
produce. Indeed, there may be considerable overlap in
some years, but although names of mycotoxins remain
the same, their relative concentrations are prone to
be widely different between wheat and corn - and
this again can vary from year to year. Thus, the same
anti-mycotoxin agent used with success in cornbased diets may not work as efficiently, or at
all, in wheat-based diets. To this end, it is
advisable to test specific wheat batches
for their mycotoxin profile and then
ask several suppliers as to their best
solution.

Particle size of grinding
It is a general rule in animal
nutrition that wheat should
not be ground too finely. Not
only because it is an energy
(electricity) inefficient practice,
because the same applies to all
cereals at varying degree, but
mostly because finely ground wheat
becomes sticky, easily absorbing air
humidity and saliva. Furthermore, finely
ground wheat may contribute to severe
stomach ulcerations when combined with other
stress factors. Plus, finely ground wheat increases
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Feed Strategy - October 2019

Table of Contents for the Digital Edition of Feed Strategy - October 2019

Feed Strategy - October 2019
Contents
In the Mix
Industry Happenings
Consumers, weather, trade sway 2019 dairy feed volumes
Tips for maximizing forage in ruminant rations
How to replace corn with wheat in modern animal diets
Marketing nutrition by following trends
What AGPs can teach us about growth promotion
Broad review of research presented during 2019 ESPN
Grinding: benefits of particle size modifications
Products
Advertisers’ Index
Feed Strategy - October 2019 - CT1
Feed Strategy - October 2019 - CT2
Feed Strategy - October 2019 - Feed Strategy - October 2019
Feed Strategy - October 2019 - Cover2
Feed Strategy - October 2019 - CT3
Feed Strategy - October 2019 - CT4
Feed Strategy - October 2019 - Contents
Feed Strategy - October 2019 - In the Mix
Feed Strategy - October 2019 - Industry Happenings
Feed Strategy - October 2019 - Consumers, weather, trade sway 2019 dairy feed volumes
Feed Strategy - October 2019 - 5
Feed Strategy - October 2019 - 6
Feed Strategy - October 2019 - 7
Feed Strategy - October 2019 - 8
Feed Strategy - October 2019 - 9
Feed Strategy - October 2019 - Tips for maximizing forage in ruminant rations
Feed Strategy - October 2019 - 11
Feed Strategy - October 2019 - 12
Feed Strategy - October 2019 - 13
Feed Strategy - October 2019 - 14
Feed Strategy - October 2019 - 15
Feed Strategy - October 2019 - How to replace corn with wheat in modern animal diets
Feed Strategy - October 2019 - 17
Feed Strategy - October 2019 - 18
Feed Strategy - October 2019 - 19
Feed Strategy - October 2019 - 20
Feed Strategy - October 2019 - 21
Feed Strategy - October 2019 - Marketing nutrition by following trends
Feed Strategy - October 2019 - 23
Feed Strategy - October 2019 - What AGPs can teach us about growth promotion
Feed Strategy - October 2019 - 25
Feed Strategy - October 2019 - 26
Feed Strategy - October 2019 - 27
Feed Strategy - October 2019 - Broad review of research presented during 2019 ESPN
Feed Strategy - October 2019 - 29
Feed Strategy - October 2019 - 30
Feed Strategy - October 2019 - 31
Feed Strategy - October 2019 - Grinding: benefits of particle size modifications
Feed Strategy - October 2019 - 33
Feed Strategy - October 2019 - 34
Feed Strategy - October 2019 - 35
Feed Strategy - October 2019 - 36
Feed Strategy - October 2019 - 37
Feed Strategy - October 2019 - Products
Feed Strategy - October 2019 - 39
Feed Strategy - October 2019 - Advertisers’ Index
Feed Strategy - October 2019 - Cover3
Feed Strategy - October 2019 - Cover4
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