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Integrated Nutritional Systems
Transcript of Integrated Nutritional Systems
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Integrated Nutritional Systems
Nicolas DiLorenzoUF-NFRECMay 5, 2017
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Horseback riding in USA
https://www.youtube.com/watch?v=7lt7Pcr0THw
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Redneck Argentine equivalent of that
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Outline
• The 2 variables that impact everything in this talk
• Florida’s diverse ag industries are a blessing• Cow/calf: needs for supplementation
• Hay intake?
• Backgrounding• Heifer development• Finishing cattle in FL? – The FL bull test as a case
study
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?
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The other critical variable that we cannot control…
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And it got worst in the last week…
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Predicting the future…
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Florida’s blessings in terms of cattle feeding opportunities
• Citrus (166 million boxes/yr)
• Cotton (191,200 bales/yr)
• Peanuts (380 million lbs/yr)
• Sugar cane (28 million tons/yr)
• Vegetables
• Brassica carinata?
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Supplementation in the cow/calf sector
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Feeding SystemsStockpiling
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Hay intake
• More than ever supplementation strategies need to be cost effective
Photo credit: Tessa Schulmeister, NFREC
• How can I design a cost effective supplementation without an idea of the hay/forage intake?
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Cow hay intake study56 d fed T85 BG hay (10.5% CP, 67% TDN)
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How much hay does a cow eat?T85 hay fed over 56 d at the NFREC-FEF
21.218.1
5.3
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Suckled Weaned
DM
I, lb
/d
Calf DMI
Cow DMI
Suckled vs. weaned Cow DMI, P < 0.01
Reduction in pair DMI by weaning = 32%Reduction in cow DMI by weaning = 15%
1.7% of BW
1.4% of BW
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Change in body weight in lactating vs. weaned cows
Over 56 d hay feeding
1272 12631188
1261
400
500
600
700
800
900
1000
1100
1200
1300
1400
Suckled Weaned
Bo
dy
we
igh
t, lb
Day 0
Day 56
Day 0, suckled vs. weaned, P = 0.86Day 56, suckled vs. weaned, P < 0.01
Loss of BW in suckled = 84 lbNo change in BW for weaned
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Take home message # 1(Cow/calf)
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Backgrounding opportunities in FL
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Backgrounding opportunities(Garcia-Ascolani et al., 2015)
• 81 steers in study (54 included here)• Initial BW = 416 lb• Final BW = 528 lb• 56 DOF• DMI = 14.0 lb/d• ADG = 1.96 lb• FTG = 7.14• Diet cost = $183/ton DM• FCOG = $0.65/lb
Diet: 41% peanut/cotton byproduct pellet (AFG Feeds)35% Soybean hulls17% Corn gluten feed5% Supplement2% Soybean meal
13.8% CP0.36 Mcal NEg/lb(~60% TDN)
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F. M. Ciriaco, D. D. Henry*, D. Demeterco, R. S. Walker, G. Scaglia, G. C. Lamb, and N. DiLorenzo
Impact of breed and forage conservation method on apparent total tract nutrient
digestibility in beef calves during the backgrounding period
2/8/16ASAS Southern Section
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Objective
To evaluate the effect of ryegrass conservation method (hay or baleage) on
total tract nutrient digestibility in backgrounding steers of Angus or Brangus
origin
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Materials and Methods
• 30 beef steers• Angus n=16 (564 lbs BW)• Brangus n=14 (512 lbs BW)
• Steers were stratified by BW and breed, and randomly assigned to either hay or baleage• Ryegrass hay or baleage was provided ad libitum
• 14 d adaptation followed by 64 d of individual feed intake data collection• 4 d of feed and fecal collection staggered in 2
periods
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Materials and Methods
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0
10
20
30
40
50
60
70
80
Baleage Hay
TT
Dig
est
ibili
ty, %
ResultsEffect of forage on OM digestibility in the total tract
Forage conservation method, P < 0.01
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0
2
4
6
8
10
12
14
Baleage Hay
DM
inta
ke, l
b/d
ResultsEffect of forage on DMI
Forage conservation method, P < 0.01
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0.60
0.99
0.00
0.50
1.00
1.50
2.00
2.50
Baleage Hay
AD
G, l
bResults
Effect of forage on ADG
Forage conservation method, P < 0.01
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Summary
• Angus steers consumed 2.2 lb of OM more than Brangus
• Angus or Brangus steers had similar digestibility of nutrients regardless of ryegrass conservation type
• Total tract apparent digestibility of DM and OM was 19% greater for ryegrass baleage vs. hay
• Total tract apparent digestibility of NDF and ADF was 21 and 28% greater, respectively, for ryegrass baleage vs. hay
• Does that pay the wrapping costs?
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Take home message # 2(Backgrounding)
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Backgrounding with BCM pellets“Upcycling”
38-40% CP
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Bermudagrass hay with B. carinata meal2-year study, 64 hd total (18 pens) 70 d each yr
0.318
0.916
0.000
0.200
0.400
0.600
0.800
1.000
1.200
1.400
Control (Bermudagrass hay only) 0.3% of BCM
AD
G, l
b
Difference = 0.598 lbs, P < 0.01
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Economics of supplementationExample: B. carinata meal supplementation
• A difference of 0.598 lbs over 70 d means:
– 42 extra lb of beef to sell
– Today beef prices = $1.20/lb
– Thus, an extra $50.4 for only 70-d feeding
• 1.8 lb/d x 70 d = 126 lbs of BCM
• Assuming a $280/ton (canola meal pelleted 38% CP)
– $0.14/lb x 126 = $17.6 in feed costs
– Net return = $32.8/head over 70 days feeding
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Heifer development in FL(Waters et al. 2015; PAS)
500
550
600
650
700
750
800
850
0 28 56 84 112 140 168 196 224
BW
, lb
Days of treatment
CON
CSBM
PPH
Supplementation phase
CON = T85 bermudagrass hay only
CSBM = CON + 2.7 lb/d of 80:20 corn:soybean meal mix
PPH = CON + 6 lb/d of perennial peanut hay
Hay intake = 1.42 % of BW
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Take home message # 3(heifer development)
When it comes to heifer development…
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Winter in North FL
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Feeding SystemsDry lotsWinter in Minnesota
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What if it does not work as planned?
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Finishing cattle in FL
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The FL Bull Test
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Summary of last 3 FL Bull Tests at NFREC
Item 2014-15 2015-16 2016-17 AVG
No of bulls 102 134 129 122
In wt, lb 885 879 907 890
DMI, lb/d 20.9 20.1 22.6 21.2
ADG, lb 3.15 3.15 3.18 3.16
Feed:Gain 6.63 6.38 7.11 6.71
112-d test ADG 3.38 3.13 3.32 3.28
With a diet cost of $225/ton of DM (AVG), FCOG = $0.75/lb
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Believing in market analysts…
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Conclusions
• Florida’s diverse Ag industries provide opportunities for cost effective feedstuffs
• No better time than this to look at feed as an investment and not just as a cost
• Watch out for hay DMI: may be lower than we think
• Hay vs. Haylage: potential opportunities
Economic analysis needs to be made on ROI
• Plenty opportunities for cost effective backgrounding programs (and finishing)
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Thanks!