Pig International - November 2017 - 13

PigInternational ❙ 13

PHYTOGENICS IN PIG FEEDS
cocktail reach their target, then there is no remedy but to
use a protected product. This is achieved (usually, but not
always) by encapsulating the active compounds in a lipidbased formula that is dissolved when entering the small
intestine. If the target is the feed itself (sterilization) or the
stomach (preventing pathogens from entering), then such
products are not suitable. For the former case, phytogenics are rather weak products as other feed preservatives
should be employed first, whereas for the latter case, the
only remedy is to use organic acids that act at the level of
the stomach. Considering, however, that most antibiotic
growth promotants worked at the intestine level simply by
reducing microbial load (and thus enabling the animal to
derive more nutrients from its feed), then protected phytogenic products should be expected to work in a rather
similar manner - or at least lead to similar results.

additive. Quite often, a qualified nutritionist can quickly
detect cases where phytogenics cannot offer much simply
by making a few simple questions about feed composition.
In other cases, it might be necessary to run a test. In either
case, phytogenics are becoming a mainstream additive
that is no longer possible to ignore. ■

Modern uses

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Although phytogenics started as an additive for piglet
feeds, today we see them being used in all classes of swine.
Of course, in piglet feeds, they continue to be used as part
of a strategy that replaces antibiotics not only to improve
feed efficiency, but also to reduce the incidence of diarrhea
that continues to plague piglets. In sows, especially lactating ones, phytogenics are used to improve feed palatability
and reduce pathogen excretion in the environment of neonatal piglets. Finally, in finishing pigs, phytogenics, mostly
protected ones, are used solely to improve feed efficiency as
the financial benefit is deemed more than important due to
the amount of feed (over 70 percent) consumed in the latter
phases of growing.

Is it worth it?
Given the number of available products, it is easy to
be dismayed by the claims and benefits that in some cases
exceed the traditional expectations. In my opinion, it is
worth approaching reputable companies with tradition
on product quality in order to test their phytogenic compounds. Before doing so, it is important to have a clear understanding not only of what phytogenics can and cannot
do but also what is the main anticipation in using such an
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Table of Contents for the Digital Edition of Pig International - November 2017

Pig International - November 2017
Contents
Pigs and Money
Industry Happenings
What you should know about gastric ulcers in pigs
Business, science behind phytogenics in pig feeds
Mastitis in sows: A perennial problem
Understanding chemistry of organic acids in antibiotic-free diets
How piglet gastric pH development affects gut health
Debunking trace mineral myths in animal nutrition
Animal feed formulation: Fiber matrix secrets revealed
World’s top 40 pork processors
World’s top 40 pork producers
5 programs pig producers don’t want to miss at IPPE 2018
Products
Marketplace
Advertisers’ Index
Pig International - November 2017 - BB1
Pig International - November 2017 - BB2
Pig International - November 2017 - Pig International - November 2017
Pig International - November 2017 - Cover2
Pig International - November 2017 - Contents
Pig International - November 2017 - Pigs and Money
Pig International - November 2017 - Industry Happenings
Pig International - November 2017 - What you should know about gastric ulcers in pigs
Pig International - November 2017 - 5
Pig International - November 2017 - 6
Pig International - November 2017 - 7
Pig International - November 2017 - Business, science behind phytogenics in pig feeds
Pig International - November 2017 - 9
Pig International - November 2017 - 10
Pig International - November 2017 - 11
Pig International - November 2017 - 12
Pig International - November 2017 - 13
Pig International - November 2017 - Mastitis in sows: A perennial problem
Pig International - November 2017 - 15
Pig International - November 2017 - 16
Pig International - November 2017 - 17
Pig International - November 2017 - 18
Pig International - November 2017 - 19
Pig International - November 2017 - Understanding chemistry of organic acids in antibiotic-free diets
Pig International - November 2017 - 21
Pig International - November 2017 - 22
Pig International - November 2017 - 23
Pig International - November 2017 - How piglet gastric pH development affects gut health
Pig International - November 2017 - 25
Pig International - November 2017 - 26
Pig International - November 2017 - 27
Pig International - November 2017 - Debunking trace mineral myths in animal nutrition
Pig International - November 2017 - 29
Pig International - November 2017 - 30
Pig International - November 2017 - 31
Pig International - November 2017 - Animal feed formulation: Fiber matrix secrets revealed
Pig International - November 2017 - 33
Pig International - November 2017 - 34
Pig International - November 2017 - 35
Pig International - November 2017 - World’s top 40 pork processors
Pig International - November 2017 - World’s top 40 pork producers
Pig International - November 2017 - 5 programs pig producers don’t want to miss at IPPE 2018
Pig International - November 2017 - Products
Pig International - November 2017 - Advertisers’ Index
Pig International - November 2017 - Cover3
Pig International - November 2017 - Cover4
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