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NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
Márcio Gonçalves, DVM, PhDGlobal Tech Service Manager
Jefo Nutrition
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OUTLINE
• Economic impact of survivability
• General factors affecting pig survivability
• Nutrition-related factors affecting pig survivability
• Breeding herd
• Wean-to-finish
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PIC, 201
ECONOMIC IMPACT OF MAJOR PRODUCTION PARAMETERS
Phase Parameter ChangeValue of Improvement
Sow Farm
Finisher
Litters/Sow/Yr
Farrowing Rate
Non-Productive Days
Born Alive/Litter
Pre-Wean Mortality
Sow Mortality
Wean-Finish Mortality
Feed Conversion Ratio
Average Daily Gain
0.03 litters/sow
1.25%
4.1 days
0.15 pigs/litter
1%
2%
0.6%
0.01
5 g/day
$10/sow/yr
PIC, 2018
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SURVIVABILITY BY PHASE OF PRODUCTION
Internal database
Nursery Finishing Wean-to-finish
99.0
97.298.4
97.6 97.1
95.2
92.0
94.0
96.0
98.0
100.0
Top 10% Average Top 10% Average Top 10% Average
Surv
ivab
ility
, %
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“If you always do what you always did, you will always get
what you always got.”
Albert Einstein
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GENERAL FACTORS AFFECTING PIG SURVIVABILITY
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EFFECTS OF COMMON DISEASES ON PIG SURVIVABILITY
Dykhuis Haden et al, 2012
GENERAL FACTORS AFFECTING PIG SURVIVABILITY
2.151.68 1.87
5.43
4.343.46
0
1
2
3
4
5
6
M hyo PRRS SIV PRRS + M
hyo
PRRS + SIV SIV + M hyoDiff
eren
ce fr
om b
aselin
e, p.
p.
mor
talit
y +
rem
ovals
P < 0.05Combination vs.
Each individual disease
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EFFECTS OF COMMON DISEASES ON PROFITABILITY
Dykhuis Haden et al, 2012
GENERAL FACTORS AFFECTING PIG SURVIVABILITY
-0.63
-5.57
-3.23
-9.69 -10.41 -10.12-12
-10
-8
-6
-4
-2
0
M hyo PRRS SIV
PRRS + M
hyo PRRS + SIV SIV + M hyo
Prof
it pe
r pi
g pl
aced
, $
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Dr. Bob Morrison’s Swine Health Monitoring Project, 2019
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GENETIC TRENDS FOR PRE-WEANING SURVIVABILITY
GENERAL FACTORS AFFECTING PIG SURVIVABILITY
-5.0%
-2.5%
0.0%
2.5%
5.0%
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
200601 200901 201201 201501 201801
Pre-weaning survivabilityTotal born
Birth Year / Month
Total born Pre-wean survivability
PIC, 2018
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PIC, 201
PROBABILITY OF MORTALITY UNTIL 42 DAYS OF AGE BASED ON COLOSTRUM INTAKE AND BIRTH WEIGHT
GENERAL FACTORS AFFECTING PIG SURVIVABILITY
1 1-1 2 1 2-1 3 1 3-1 7 kgFerrari et al., 2016
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WEANING AGE ON NURSERY MORTALITY
5.25
2.822.11
0.54
2.171.56 1.30
0
1
2
3
4
5
6
12 15 18 21 15.5 18.5 21.5
Mor
talit
y, %
Wean age, d
Trial 1 Trial 2
SEM 0.36%SEM 0.76%
linear, P<0.09
Main et al., 2004
linear, P<0.09
GENERAL FACTORS AFFECTING PIG SURVIVABILITY
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NUTRITION-RELATEDFACTORS AFFECTING
PIG SURVIVABILITYBREEDING HERD
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PIC, 201
SOW BODY CONDITION IS KEY TO IMPROVE PIGLET SURVIVAL
Pre-
wea
ning
surv
ival
, %
Bryan and Knauer, 2014
A total of 2460 sows were used.
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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HIGH FAT IN LATE GESTATION IMPROVED PRE-WEANING SURVIVABILITY
Pettigrew, 1981
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
4.1*
0.6
0
2
4
6
<80 >80Impr
ovem
ent i
n su
rviv
abili
ty (fa
t vs.
cont
rol),
%
Survival rate, %
How about for today’s leaner pigs and larger litter size?
*P<0.05
SEM = 1.7
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HIGH FAT IN LATE GESTATION IMPROVED PRE-WEANING SURVIVABILITY
Pettigrew, 1981
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
8.3*
15.2*
1.7*
-5
0
5
10
15
20
< 1 1-2 2-4 > 5Impr
ovem
ent i
n su
rviv
abili
ty
(fat v
s. c
ontr
ol),
%
Total added fat intake prior to farrowing, kg
*P<0.05SEM = 3.7
Practical considerations of implementation (feed lines and flowability)
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Treatments applied from d 90 to 112;
Gonçalves et al., 2016
3.4a 3.4a4.4a
6.5b
0
2
4
6
8
1.85 2.75
Still
birth
, %
Consumo de ração, kg/d
Leitoas
Porcas
Parity x Energy, P = 0.01
SEM = 0.8
5,90 8,85
Feed intake equiv., kg/d(2.5 Mcal NE/kg diet)
1.8 2.7
Sows
Gilts
1.8 2.7
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
“BUMP FEEDING” CAN INCREASE 2.1% STILLBORNS IN SOWS, BUT NOT IN GILTS
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LYSINE LEVELS DURING GESTATION CAN REDUCE STILLBORNS IN SOWS, BUT NOT IN GILTS
2.82.2
3.0 2.9
4.63.3 3.5
2.3
0
2
4
6
8
11 13.5 16 18.5
Still
born
, %
SID Lys, g/d
Gilts SowsSEM = 0.54
Trt × Parity, P = 0.043
Linear, P = 0.109
Linear within sows, P = 0.002
Quadratic, P = 0.762
Thomas et al., 2018
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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NET PROFIT DIFFERENCE PER WEANED PIG FROM STILLBORN AND CULL SOW WEIGHT CHANGE
$308/Short ton, $1380/short ton L-Lys
Thomas et al., 2018
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
0.00
0.10
0.21
0.09
0.0
0.1
0.2
0.3
11 13.5 16 18.5
Net
pro
fit d
iffer
ence
per
wea
ned
pig,
$
SID Lys during gestation, g/d
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125 PPM OF YUCCA EXTRACT DURING GESTATION REDUCED STILLBORNS ON 0.4 PIGS
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
0.35†0.27*
0.43*
0.34 0.3*
0.68*
0.27†
0.67†0.6
0.4*
0
0.2
0.4
0.6
0.8
A B C D E F G H I J
Impr
ovem
ent i
n sti
llbor
n (1
25 p
pm y
ucca
extra
ct v
. con
trol),
n
Study
*P<0.05
†P<0.10
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125 PPM OF YUCCA EXTRACT IN GESTATION AND LACTATION REDUCED PRE-WEANING MORTALITY
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
4.74*
2.39†
-0.15
4.15.0†
2.84
-1
1
3
5
7
A B C D E F G H I JImpr
ovem
ent i
n PW
M (12
5 pp
m y
ucca
extra
ct v
. con
trol),
%
Study
*P=0.09
†P=0.12
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22Source: Mike Tokach
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
FULL FEED FROM DAY OF FARROWING
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NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
FRESH FEED
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NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
FEEDER ADJUSTMENT
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NUTRITION-RELATEDFACTORS AFFECTING
PIG SURVIVABILITYWEAN-TO-FINISH HERD
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LOW FEED INTAKE IN THE FIRST WEEK AFTER WEANING IS ASSOCIATED WITH INCREASED RISK OF DIARRHEA
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
33.6
18.6
1.10
10
20
30
40
<0.31 .31 to .43 .43 to .54
Odd
s ra
tio
Feed intake 1st week after weaning, kg
Madec et al., 1998; n = 106 farms
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FOCUS ON PIGS THAT ARE LOSING WEIGHT IN THE 1ST
WEEK AFTER WEANING, ESPECIALLY LIGHT-WEIGHT PIGS
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
17 8 20
200
400
600
800
Light Medium Heavy
Num
ber
of p
igs,
n Example in a barn with 2,400 pigs
Faccin et al., 2018
Light = <5.1 kg , Medium = 5.1 to 5.9 kg, and Heavy >5.9 kg.
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DIETARY ENERGY AND FIBER ON REMOVAL AND MORTALITY RATE
6.88.1
3.5 3.8 3.84.8
6.1
0
5
10
2.10 2.21 2.31 2.42 2.52 2.63 2.73
Rem
oval +
Mor
talit
y ra
te, %
Linear, P=0.297
Quadratic, P=0.020
SEM = 3.1
PIC, 2018
NE, Mcal/kg
NDF, % 23 20 17 14 13 11 10
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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VICES WERE NUMERICALLY MORE PREVALENT IN LOW ENERGY DIETS
5.2 4.93.2
1.6 1.32.9 2.6
1.3 2.6
0.31.6 1.9
1.0 2.3
0
2
4
6
8
10
2.1 2.21 2.31 2.42 2.52 2.63 2.73
Rem
oval r
ate,
%
NE, Mcal/kg
Others
Vices
Could not analyze statistically because there is no data of reason per pen, only per treatment.
PIC, 2018
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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AMINO ACID DEFICIENT DIETS MAY HAVE NEGATIVE INFLUENCES ON BEHAVIOR, ESPECIALLY IF OTHER ENVIRONMENTAL FACTORS ARE ALSO LIMITING.
©PIC
• Pigs were exposed daily to two
sections of cotton cord:
• Soaked with pigs' blood and
dried
• Plain.
“…may help to explain the widely
reported link between
dietary inadequacies and tail-biting.”
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
Fraser et al., 1991
72a
60a 59a
18b
0
20
40
60
80
100
Low protein Low protein +
Lysine
Low protein +
synthetic Aas
Adequate proteinM
ean
daily
pre
fere
nce,
%
P < 0.05
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ANTIBIOTIC GROWTH PROMOTING ALTERNATIVE TRIALS ON REDUCING PIG MORTALITY
Schweer et al., 2017
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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XYLANASENUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
Rush, Remus and Boyd, 2014
SEM, 0.82Linear, P = 0.126
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2,100 pigs (PIC 327 x 1050, initially 31.5 kg BW)
EFFECTS OF PELLETING REGIMEN ON STOMACH MORPHOLOGY(ULCERATION & KERATINIZATION)
F/G
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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©PIC
Boyd et al., 2012; 2,839 pigs on test.
DIET FORM AND SIRE LINE ON PROGENY VIABILITY UNDER CONDITION OF LOW IMMUNE STRESS
Line A vs B, P > 0.10
Diet form, P < .01
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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DIET FORM AND SIRE LINE ON PROGENY VIABILITY UNDER CONDITION OF HIGH IMMUNE STRESS
Boyd et al., 2012; 3,160 pigs on test.
Line A vs B on meal, P < .01
Line A vs B on pellets, P < 0.01
Diet form, P < 0.001
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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IMPLEMENTATION OF THE NUTRITION PLAN
• “Out-of-feed events are a known cause of ulcers in pigs and
are suspected of being associated with increased incidence of
hemorrhagic bowel syndrome” (Brumm et al., 2005).
• Correct implementation and auditing of the nutritional
program is even more important than the program itself.
NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
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ONE-PAGE SUMMARY• To maximize survivability, review all
areas of production.
Eliminate disease
Maximize colostrum intake
Review weaning age
0.6% WF survival equals $10/sow/year
• Several approaches to improve pig
survivability through nutrition:
Sows: BCS and AA
Energy x tail biting
AA x tail biting
Yucca, Xylanase, Organic acids
Pellet x Meal
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ACKNOWLEDGEMENTS• Wayne Cast, Msc.
• Dr. Mike Tokach
• Dr. Jose Soto
• Dr. David Rosero
• Dr. Andrea Hanson
• Dr. Omarh Mendoza
• Dr. Paul Cline
• Dr. Trey Kellner
• Dr. Jon DeJong
• Dr. Kyle Coble
• Dr. Josh Flohr
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NUTRITION-RELATED FACTORS AFFECTING PIG SURVIVABILITY
Márcio Gonçalves, DVM, PhDGlobal Tech Service Manager