Feed Strategy - June 2019 - 30

30 ❙ FeedStrategy
SUMMER HEAT STRESS

Duffloop | BigStock.com

Fats and oils. Following from the
above, it appears that fats and lipids
Be on the lookout for heat stress in
not only increase dietary density, but
herds, flocks: www.WATTAgNet.
they also generate less heat during
com/articles/30670
digestion and metabolism. Therefore,
diets high(er) in fat and lipids are
almost invariably recommended for
combating heat stress.
However, it is always imperative to also increase
Liquid diets. One of the major benefits of liquid
(proportionally) the levels of all amino acids and other
feeding is that an animal can consume more feed during
nutrients, to avoid unbalancing diets. Here, dry fat (expenthe summer months. Perhaps the increased intake of water
sive) or extruded full-fat soybeans are quite useful in
enables them to better control their internal temperature
creating a balanced new summer formula when adding
compared with dry-fed pigs. Or, liquid diets are easier to
extra straight oil or fat is not possible.
ingest, and perhaps even more palatable than dry diets.
Additives. Research and practical experience has clearly
Cool water. It has been shown that pigs provided with
demonstrated that adding certain additives may actually
cool water during periods of heat stress are able to sustain
improve feed intake in lactating sows. Some additives
better performance. In addition, pigs offered cool water
work through enhancing nutrient digestibility, others by
consumed less water per day compared with control pigs,
increasing palatability, yet others by
indicating that cooler water enabled pigs
controlling internal metabolic processes
to quickly adjust their body temperature
reducing release of heat. The selection of
in response to heat stress. Finding cool
proper additives is very crucial because
water in most farms is a challenge, unless
they can easily become very expensive if
such water is provided by deep wells.
they offer no real advantage.
Feeding time. Feeding in the cooler
Extra vitamins. In other monogasevening hours, or even during the night,
✓✓Pelleted diets
tric species, certain vitamins have been
has been used as an effective measure
✓✓Liquid diets
shown to help animals under heat stress.
against severe summer heat. This might
✓
✓
Cool
water
This is a new area for pigs that continues
create an increase in labor costs, but
to receive little attention. In particular,
it is one single very effective method.
✓✓Feeding time
it appears that water-delivered vitamins
Lamentably, it is also one of the least
✓
✓
Feeding
frequency
offer some additional benefits.
followed worldwide.
Feeding frequency. Smaller and
Adjusting feeding management
more frequent meals will prevent sows
Pelleted diets. Pelleting diets increases physical density,
from overloading with food and creating an overload of
resulting in higher uptake of nutrients at a given volume
heat released during a short period of time. The exact
of feed. Combined with increased nutrient density, these
number of additional feedings depends on available labor,
two strategies help markedly in sustaining higher nutrient
but even going from the normal two to three times per day
intake during heat stress.
can provide some relief. ■

ADJUSTING
FEEDING
MANAGEMENT

Ioannis Mavromichalis, Ph.D., is an animal nutrition industry consultant. To contact Mavromichalis, email
imavromichalis@icloud.com.
www.WATTAgNet.com ❙ June 2019


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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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