economical evaluation of feeding costs in pilot farms at ... · evaluation of grass available for...
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![Page 1: Economical evaluation of feeding costs in pilot farms at ... · Evaluation of grass available for the cows Parcel • Door opening at 6 AM • Distribution TMR: 6 PM • TMR = 13](https://reader033.vdocuments.mx/reader033/viewer/2022060511/5f293bd8e3882909131a18ae/html5/thumbnails/1.jpg)
FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission © AUTOGRASSMILK, 2013
SME Farm DK
Thure and Susanne Worm
SME Farm IE
Economical evaluation of feeding
costs in pilot farms at grazing
F. Lessire – I. Dufrasne
University of Liège
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Economical evaluation of feeding
costs in pilot farms at grazing
• How to evaluate ingested grass?
Evaluation of grass available for the cows
Evaluation of grass ingested by the cows
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Evaluation of grass available for the cows
• Estimation of grass height
0
2
4
6
8
10
12
14
16
1 2 3 4 5 6 7
June - Grass Height: measurements in/out
In
Out
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Evaluation of grass available for the
cows
• Estimation of grass cover
0
200
400
600
800
1000
1200
1400
1600
1800
May June July August September
Grass cover (kg DM/Ha)
Série1
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Evaluation of grass available for
the cows
• Door opening at 6 AM
• Distribution TMR: 6 PM
• TMR = 13 kg DM
(without conc.)
• In average:
4 kg conc./cow/day
Parcel Kg DM /cow/day
1 5,71
2 8,33
3 5,80
4 3,30
5 4,05
Mean 5,4
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Evaluation of grass ingested
How much grass ingested?
22 kg DM*– DM TMR – DM concentrates = DM
ingested grass
*: reference value based on feed consumption
in winter
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Evaluation of grass ingested
DM TMR DM TMR +
conc Grass
ingested? % grass
April 17,2 21,9 0,1 0,5%
7/5/2013 - 17/6/2013
12,6 17,2 4,8 22%
17/6/2013-16/7/2013
11,7 15,5 6,5 30%
17/07/2013-22/8/2013
13,2 17,2 4,8 22%
22/8/2013-16/9/2013
13,7 16,9 5,1 23%
17/09/2013 15,6 18,7 3,3 15%
October 17,9 21,1 0,9 4%
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Feeding costs
• 2 methods for estimation:
Addition of costs of TMR + concentrates (1)
Addition of costs of TMR + concentrates +
grass production (2)
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Feeding costs
Method 1 Method 2
Forages Compensation wildlife
Compensation wildlife
Other feeds (wheat, corn, alfafa, …)
Accountancy Accountancy
Concentrates Accountancy Accountancy
Grass - % of grass valorised for grazing cows
% applied to costs (seeds, fertilizers, energy, lease,..)
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Feeding costs
Feeding costs method 1 et 2
Month TMR
(kg DM) 1 2
4 17,2 5,58 5,59
5 12,6 4,87 5,16
6 11,7 3,52 3,92
7 13,2 3,84 4,13
8 13,7 3,73 4,03
9 15,6 3,67 3,87
10 17,9 4,02 4,07
0
0,02
0,04
0,06
0,08
0,1
0,12
0,14
0,16
0,18
0,2
4 5 6 7 8 9 10
Month
Feeding costs (€/kg milk)
calcul 1
calcul 2
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Feeding costs: comparison of 2 pilot
farms
0
0,02
0,04
0,06
0,08
0,1
0,12
0,14
0,16
0,18
0,2
May June July August September January
Feeding costs (€/kg lait) in relationship with % grass during grazing
90% grass
30% grass
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© AUTOGRASSMILK, 2013 FP7-SME-2012-314879-AUTOGRASSMILK is co-funded by the European Commission
Conclusion
• Calculation methods require a good
evaluation of
TMR
Quantity,
Refusals,…
Animal
Behaviour!
Pasture
Refusals
Palatability?
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The research has received funding from the European
Union’s Seventh Framework Program under Grant Agreement
FP/-SME-2012-314879-AUTOGRASSMILK