Feed Strategy - February 2018 - 24

24 ❙ FeedStrategy

expensive ingredients and alternative or lower-quality raw materials
could be used.

Maintaining high-level
performance with a
reformulated diet
The experimental diets were fed
to broilers in a floor pen facility at
the Universidade Federal do Rio
Grande do Sul in Brazil. A total of
2,016 Cobb 500 male day-old chicks
were used in the trial. Feed and water
were provided ad libitum and a range
of performance parameters was recorded at 21-, 35-and 42-days of age.
The four reformulated diets
resulted in significant performance
losses, as shown by an increase in
adjusted FCR. Over the whole period, the addition of a feedase to the
reformulated diets, recovered the
reduction in FCR degradation seen
in the re-formulated diets.

Broilers fed nutritionally adjusted diets,
with or without a feedase
FCR (adjusted by BWG)

CORN-SOY POULTRY DIETS

1.62
1.60
1.58
1.56
1.54
1.52
1.50
1.48

No feedase

a

a

ab

NC1

NC2

c

c

NC3

NC4

a,b,c Different letters mean significant (P<0.05) differences among treatments
Source: Rios et al., 2017

In the trial, FCR was adjusted by body weight gain (0-42 days) of
broilers fed nutritionally adjusted diets, with or without a feedase, and
compared with the positive control. The addition of a feedase to the
reformulated diets, recovered the reduction in FCR degradation seen in
the re-formulated diets.
in all feeding phases demonstrating
that the feedase was able to increase
nutrient release from the diet by reducing the indigestible fraction.

Future implications
This research has increased
interest in a global enzyme solu-

What are the major enzymes used in poultry
feeds?: www.WATTAgNet.com/articles/31502

The trial highlighted the interest of using this kind of feedase in
reformulated diets, bringing performance back to statistically the
same level as the positive control,
while making feed cost savings.
This positive effect was observed

a

bc

bc

c

Positive
control

With a feedase

tion applied with a more complete
understanding of the indigestible
fractions of different diets. It allows larger energy and dAA uplifts
- hence greater feed cost savings.
The efficacy of the feedase concept
has been demonstrated in corn-soy-

based diets and can be explained by
the inclusion ABFs, beta-glucanases
and cellulases. These work in synergy with a series of eight different
xylanases to break down the highly
branched NSPs.
The feedase effect improves the
release of energy and nutrients, including amino acids, from the feed.
These enzyme complexes have been
tested and are extensively used "on
top" of a phytase inclusion. They
act on a different substrate and have
additional benefits. Nutritionists can
reformulate diets accordingly - reducing feed cost without any negative impact on broiler performance.
A re-think is needed regarding the
feed cost savings that can be made
when a feedase is added to a cornsoy-based diet. ■

Adriana Toscan is Adisseo's regional manager for the southern region of Brazil.
Marcio Ceccantini is Adisseo's Latin America technical manager.
www.WATTAgNet.com ❙ February 2018


http://www.WATTAgNet.com/articles/31502 http://www.WATTAgNet.com

Table of Contents for the Digital Edition of Feed Strategy - February 2018

Feed Strategy - February 2018
Contents
Livestock premixes evolve to meet consumer demands
6 alternative protein sources to soybean meal
Insect proteins inch toward approval for EU animal feed
How to improve the effi ciency of corn-soy poultry diets
5 feeding strategies to combat piglet diarrhea
Basics of NIRS forage and feed analysis for dairy feed
Feed formulation software enhances effi ciency, profi ts
VICTAM Asia to showcase latest in feed, food industries
In the Mix
Products
Marketplace
Advertisers’ Index
Feed Strategy - February 2018 - CT1
Feed Strategy - February 2018 - CT2
Feed Strategy - February 2018 - Feed Strategy - February 2018
Feed Strategy - February 2018 - Cover2
Feed Strategy - February 2018 - Contents
Feed Strategy - February 2018 - In the Mix
Feed Strategy - February 2018 - 3
Feed Strategy - February 2018 - 4
Feed Strategy - February 2018 - 5
Feed Strategy - February 2018 - Livestock premixes evolve to meet consumer demands
Feed Strategy - February 2018 - 7
Feed Strategy - February 2018 - 8
Feed Strategy - February 2018 - 9
Feed Strategy - February 2018 - 6 alternative protein sources to soybean meal
Feed Strategy - February 2018 - 11
Feed Strategy - February 2018 - 12
Feed Strategy - February 2018 - 13
Feed Strategy - February 2018 - 14
Feed Strategy - February 2018 - 15
Feed Strategy - February 2018 - Insect proteins inch toward approval for EU animal feed
Feed Strategy - February 2018 - 17
Feed Strategy - February 2018 - 18
Feed Strategy - February 2018 - 19
Feed Strategy - February 2018 - How to improve the effi ciency of corn-soy poultry diets
Feed Strategy - February 2018 - 21
Feed Strategy - February 2018 - 22
Feed Strategy - February 2018 - 23
Feed Strategy - February 2018 - 24
Feed Strategy - February 2018 - 25
Feed Strategy - February 2018 - 5 feeding strategies to combat piglet diarrhea
Feed Strategy - February 2018 - 27
Feed Strategy - February 2018 - 28
Feed Strategy - February 2018 - 29
Feed Strategy - February 2018 - Basics of NIRS forage and feed analysis for dairy feed
Feed Strategy - February 2018 - 31
Feed Strategy - February 2018 - 32
Feed Strategy - February 2018 - 33
Feed Strategy - February 2018 - 34
Feed Strategy - February 2018 - 35
Feed Strategy - February 2018 - Feed formulation software enhances effi ciency, profi ts
Feed Strategy - February 2018 - 37
Feed Strategy - February 2018 - 38
Feed Strategy - February 2018 - 39
Feed Strategy - February 2018 - VICTAM Asia to showcase latest in feed, food industries
Feed Strategy - February 2018 - 41
Feed Strategy - February 2018 - Products
Feed Strategy - February 2018 - 43
Feed Strategy - February 2018 - Advertisers’ Index
Feed Strategy - February 2018 - Cover3
Feed Strategy - February 2018 - Cover4
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