Feed Strategy - June 2019 - 29

FeedStrategy ❙ 29

Lactating sows can suffer from heat stress during
the warm summer months, but there are feeding
adjustments that can be made to make them
more comfortable. steffstarr | Bigstock.com
additives cannot be altered due to country-specific
regulations. Therefore, this strategy should always be
combined with another one to increase effectiveness.
In addition, it might not be financially viable to
provide a very dense diet as there is the law of diminishing returns when more expensive ingredients are
required to enter the formulation.
Dietary protein. Excess protein is invariably
deaminated and excreted in the form of urea. This
process requires energy and generates heat and, to
this end, it is highly recommended
to reduce excess dietary protein
concentration with the aid of feedWhen it comes to nutrition, there
grade amino acids.
are two areas where we can help
The extent of reduction is a
sows cope with summer heat stress:
matter of diet formulation, available
✓
✓
Nutrient
density
one has to do with diet design and
ingredients and cost of feed-grade
the other with feeding management.
amino acids as the diet must remain
✓✓Dietary protein
But it is not always easy to achieve
balanced in all amino acids. This
✓
✓
Fiber
concentration
a desired outcome as more factors
is the area where most errors are
come into play than those described
made, but it can provide great relief
✓✓Fats and oils
here. For this reason, the advice of a
to a heat-stressed animal.
✓✓Additives
qualified nutritionist should always
Fiber concentration. Fiber
✓✓Extra vitamins
be sought for best results.
digestion and metabolism generate
considerably more heat compared
Adjusting nutrients in feed
with carbohydrates and protein,
Nutrient density. It is generally assumed that some
with fat and lipids generating the least amount of
part of the normal nutrient intake can be maintained
internal heat. Thus, one of the more common measures
during the summer months if nutrient density increases
to combat heat stress is to reduce dietary fiber (again
proportionally to the expected reduction in feed intake.
the exact level of reduction depends on initial concenFor example, if feed intake is expected to drop by
tration and other factors as described above).
10%, then all nutrients (including vitamins, minerals
Care should be taken for sows to be supplemented
and trace minerals) should be increased by 10% to
with a strong laxative (usually in the form of a salt)
compensate for the reduction in feed intake. For several
to compensate for the reduction in dietary fiber.
nutrients, however, there are manufacturing limits that
Nevertheless, a good balance of fermentable and insolmay restrict the application of this strategy. For example,
uble fiber fractions should be maintained to ensure
it is not always practical to add more than 6-8% fat in
proper functionality of the digestive system, especially
commercial diets. Also, the concentration of certain
to avoid upsetting the health of the hindgut ecosystem.

ADJUSTING
NUTRIENTS IN
FEED

June 2019 ❙ www.WATTAgNet.com


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Feed Strategy - June 2019

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

Feed Strategy - June 2019
Contents
In the Mix
Industry Happenings
2019 world feed production trends: growth continues worldwide
What the US poultry industry needs to know about ASF
Blockchain technology has big potential beyond transparency
Digitized dairy: Ag tech sparks changes for feed’s future
Marketing nutrition through local distributors
How to adjust sow feeds for summer heat stress
VIV Turkey to highlight poultry meat, egg safety
Simple concepts at the basis of pig feed formulation
New technology uses data for greater energy efficiency, feed quality
Advertisers’ Index
Feed Strategy - June 2019 - CT1
Feed Strategy - June 2019 - CT2
Feed Strategy - June 2019 - Feed Strategy - June 2019
Feed Strategy - June 2019 - Cover2
Feed Strategy - June 2019 - CT3
Feed Strategy - June 2019 - CT4
Feed Strategy - June 2019 - Contents
Feed Strategy - June 2019 - In the Mix
Feed Strategy - June 2019 - Industry Happenings
Feed Strategy - June 2019 - 2019 world feed production trends: growth continues worldwide
Feed Strategy - June 2019 - 5
Feed Strategy - June 2019 - 6
Feed Strategy - June 2019 - 7
Feed Strategy - June 2019 - 8
Feed Strategy - June 2019 - 9
Feed Strategy - June 2019 - 10
Feed Strategy - June 2019 - 11
Feed Strategy - June 2019 - What the US poultry industry needs to know about ASF
Feed Strategy - June 2019 - 13
Feed Strategy - June 2019 - 14
Feed Strategy - June 2019 - 15
Feed Strategy - June 2019 - 16
Feed Strategy - June 2019 - 17
Feed Strategy - June 2019 - Blockchain technology has big potential beyond transparency
Feed Strategy - June 2019 - 19
Feed Strategy - June 2019 - 20
Feed Strategy - June 2019 - 21
Feed Strategy - June 2019 - Digitized dairy: Ag tech sparks changes for feed’s future
Feed Strategy - June 2019 - 23
Feed Strategy - June 2019 - 24
Feed Strategy - June 2019 - 25
Feed Strategy - June 2019 - Marketing nutrition through local distributors
Feed Strategy - June 2019 - 27
Feed Strategy - June 2019 - How to adjust sow feeds for summer heat stress
Feed Strategy - June 2019 - 29
Feed Strategy - June 2019 - 30
Feed Strategy - June 2019 - VIV Turkey to highlight poultry meat, egg safety
Feed Strategy - June 2019 - Simple concepts at the basis of pig feed formulation
Feed Strategy - June 2019 - 33
Feed Strategy - June 2019 - 34
Feed Strategy - June 2019 - 35
Feed Strategy - June 2019 - New technology uses data for greater energy efficiency, feed quality
Feed Strategy - June 2019 - 37
Feed Strategy - June 2019 - 38
Feed Strategy - June 2019 - 39
Feed Strategy - June 2019 - Advertisers’ Index
Feed Strategy - June 2019 - Cover3
Feed Strategy - June 2019 - Cover4
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