Transcript Inactive Dried Yeast

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INACTIVE DRIED YEAST
(Saccharomyces cerevisiae)
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DEFINITION
• Inactive Dried Yeast, Brewer’s Yeast and Molasses Yeast are
all the same ingredient, as all of them are made of 100% of
Saccharomyces cerevisiae Yeast.
• Brewer’s Yeast comes typically from a beer fermentation. The
Inactive Dried Yeast coming from alcohol fermentation, either
from sugar cane molasses (Brazil) or from corn syrup (USA)
can also be called as Brewer’s Yeast. In Brazil, the “brewer’s
yeast” coming from sugar cane molasses fermentation is
usually called as MOLASSES YEAST.
• ICC chose the definition of INACTIVE DRIED YEAST for our
“brewer’s yeast” coming from molasses fermentation.
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INACTIVE DRIED YEAST
• Inactive Yeast is known for its prophylactic action, increasing
the animal’s resistance to illness and improving performance,
this activity is often referred as “Unidentified Growth Factors” –
UGF.
• Due to its high palatability, Inactive Dried Yeast stimulates the
feed intake.
• Inactive Yeast is a great protein source, with good amino
acids balance and high levels of lysine and threonine and it is
also the best source for natural occurring B vitamins.
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ADVANTAGES OF YEAST USAGE
• Sows - feeding the sows with Inactive Dried Yeast increases
the number of piglets born alive, piglets weight at birth and at
weaning.
• Piglets - strengthen the immuno system and increase the
production factor.
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INDICATION OF USE
Swines
• Pre initial and Initial – 2% to 5% of total feed
• Growth and Finishing – 1% to 3% of total feed
• Sows – 1% to 3% of total feed
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FIELD TRIALS ON SWINE
INACTIVE DRIED YEAST
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INACTIVE DRIED YEAST FROM SUGAR CANE ALCOHOL DESTILATION IN
THE GESTATING AND LACTATING SOWS. II. EFFECTS ON PIGLETS AND
LITTER WEIGHT.
EMBRAPA – Empresa Brasileira de Pesquisa Agropecuária. PhD. Gustavo J.M.M. Lima. Rev. Soc. Bras.
Zoot., v. 17, n. 5, 1988.
•
When gestating and lactating
sows are fed with 21% of
Inactive Dried Yeast (IDY) the
improvements on litter weight at
birth, at 21 days and at 35 days
were very important.
Litter Weight (kg)
80
70
•
kg
Best litter weights were reached
with 14% and 21% inclusion rate
of IDY.
Newborn litter weight
60
50
•
73
72
69
67
43
40
43
39
40
Litter weight - 21d
Litter weight - 35d
30
14
20 13
10
14
15
0
These results showed that the
IDY can be used up to 21% of
the diet, as a prophylactic micro
ingredient for gestating and
lactating sows.
0%
7%
14%
21%
IDY (%)
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BREWERS DRIED YEAST AS A SOURCE OF MANNAN
OLIGOSACCHARIDES FOR WEANING PIGS.
L.A. White, M.C. Newman, G.L. Cromwell and M.D. Lindemann. University of Kentucky, Lexington 40546,
2002.
9,0
9,3
8,9
9,0
8,4
9,2
9,0
10,0
9,0
8,0
Basal
7,0
Carbadox
6,0
Yeast
Yeast + Citric Acid
3,0
2,8
2,6
4,0
2,7
5,0
3,0
• 3% of IDY in weaning
piglets diet, was able to
provide higher serum
immunoglobulin G (IgG)
levels.
Bacterias Count (log CFU/g)
8,8
• Inactive Dried Yeast (IDY)
addition enhanced
Bifitobacterias and
Lactobalilli count in the
feces, while decreased
Clostridium Perfringe count.
2,0
1,0
0,0
Bifdobacterias
Lactobacilli
Clostridium
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FEASIBILITY OF INACTIVE DRIED YEAST USE FOR PIGLETS.
Universidade Estadual Paulista – UNESP, Graduation Thesis – 1997, Fabiano da Costa Pita, PhD Otto Mack
Junqueira.
• Inclusion of Inactive Dried
Yeast (IDY) enhanced
piglets’ performance.
kg
Feed Conversion - 22 to 71 days
2,08
2,10
2,05
2,00
1,95
1,90
1,85
2,03
1,97
1,93
0%
10%
15%
IDY (%)
5% of IDY provided better
feed conversion in piglets
(from 22 to 71 days old).
Weight Gain - 22 to 71 days
kg
•
5%
27,00
26,00
25,00
24,00
23,00
26,40
26,33
25,62
24,45
0%
5%
10%
15%
IDY (%)
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INACTIVE DRIED YEAST AS A PROTEIN SOURCE FOR WEANING PIGS
(FROM 10 TO 28 KG BODY WEIGHT).
Miyada, U.S.; Lavorenti, A.; Packer, I.U., Menten, J.F.M. Rev. Bras. Zoot., v. 26, n. 2, p. 316-326, 1997.
Feed Conversion
1,95
1,90
1,82 1,83
1,85
1,80
1,75
0%
5% 10% 15% 20%
IDY (%)
Hemoglobin
g/dl
• 15% of Inactive Dried
Yeast inclusion
provided better feed
conversion and serum
hemoglobin level
results.
1,91 1,91 1,91
11,50
11,00
10,50
10,00
9,50
10,87 10,85
11,08
11,40
10,30
0%
5%
10% 15% 20%
IDY (%)
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INACTIVE DRIED YEAST AS A PROTEIN SOURCE FOR WEANING PIGS
(FROM 10 TO 28 KG BODY WEIGHT).
Miyada, U.S.; Lavorenti, A.; Packer, I.U., Menten, J.F.M. Rev. Bras. Zoot., v. 26, n. 2, p. 316-326, 1997.
125
130,00
125,00
120,00
115,00
110,00
105,00
124
118
118
113
0%
5%
10% 15% 20%
IDY (%)
Urea
40,00
30,00
mg/dl
• 20% of Inactive Dried
Yeast level, decreased
serum cholesterol and
urea concentration in
the weaned pigs.
mg/dl
Cholesterol
30,19
27,64 27,17 25,84
21,41
20,00
10,00
0,00
0%
5%
10% 15% 20%
IDY (%)
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CONCLUSION
• Inactive Dried Yeast, either from molasses fermentation
or from brewer’s fermentation, can be considered an
efficient ingredient for swine, especially for weaning
piglets and for sows, both for its nutritional
characteristics and for its prophylactic action. In general,
Inactive Dried Yeast enhances the immunological
system.
• Several trials showed that Inactive Dried Yeast
decreases piglets mortality and increases weaned
piglets livability.
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