Feed Strategy - June 2019 - 33

FeedStrategy ❙ 33

it makes little difference which
system is used in formulating
feeds based on these ingredients.
When it comes to less conventional ingredients, however, the
disparity is very large.
Another benefit of the NE
system is that it allows for separate energy values to be used in
growing pigs versus breeding
animals (sows and boars). The ME
system ignores the energy contribution from fermentation taking
place in the large intestine, but the
NE system correctly attributes a
better NE value when ingredients
are destined for use in breeding
animals. In other words, feeds for
sows formulated on NE tend to be
less expensive.

Experience,
paired with deep
knowledge,
can lead to the
formulation of a
commercial feed
with a purpose.
Rido | Dreamstime.com

Latest updates, new technologies
in feed formulation software:
www.WATTAgNet.com/articles/36542
Protein
Protein and, consequently, amino
acids are the second most expensive nutrients in a pig feed, after
energy. Therefore, using the
correct form to describe their
presence in feed is of paramount
importance in creating a leastcost formula.
When using total amino acids,
a minimum in crude protein
concentration is required to
ensure all amino acids are present
in sufficient quantities. However,
by using digestible amino acids,
formulas do not have to have a
protein minimum, assuming all
essential amino acids are sufficiently covered through formulation monitoring. This translates
again in feed formulated at the
least possible cost, taking into
advantage cheaper sources of
protein, and quite often feedgrade amino acids.
There is a plethora of
published values for digestible
amino acids, some of which are
calculated values and others
based on scientific trials. Care
should be taken to ensure the
correct set of tables is used as a
slight bias in one or other direction might erase any benefits
from this exercise.

Lactose
Lactose is important in piglet
June 2019 ❙ www.WATTAgNet.com

feeds, but it is not just lactose
that piglets require to thrive on;
they can use other simple sugars
with equal efficiency, but then the
term "lactose equivalents" must
be used. Ingredients containing
simple sugars can now contribute
to the need for "lactose equivalents," often at reduced cost. Such
ingredients include sucrose (table
sugar), fructose, high fructose
corn syrup, dextrose, molasses
and maltodextrins.

Phosphorus
This is the third most expensive
nutrient. Total phosphorus, as
a way of describing the phosphorus concentration in feed,
is very inaccurate and leads to
overformulation. For example, in
cereals, pigs are able to utilize
only one-third of total phosphorus, yet in animal protein
sources, up to two-thirds of total
phosphorus is being used. The
intermediate term "available
phosphorus," where an ingredient's phosphorus use was indexed
against a standard source (sodium
phosphate), is an acceptable
form. Nevertheless, it has been
surpassed by the most accurate
term "digestible phosphorus."
This provides a much clearer
picture of the amount of phosphorus available to the animal for
productive purposes.


http://www.WATTAgNet.com/articles/36542 http://www.Dreamstime.com http://www.WATTAgNet.com

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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