1. feeding principles - vtdairy.dasc.vt.edu · dairy management advisor - ams sc north america 2...
TRANSCRIPT
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AMS – Feeding Strategies
and feedbunk management
Francisco Rodriguez, DVM Dairy Management Advisor - AMSSC North America
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Health
Consistency
1. Feeding Principles
Rodriguez, Delaval 1
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Health Motivation
Balance
1. Feeding Principles
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1. Feeding Principles
• Feed a safe and palatable concentrate pellet.
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• Balance feed bunk based on VMS Herd Avg. Feed consumed.
1. Feeding Principles
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1. Feeding Principles
Devices are just a Bridge
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Configure all settings in the system
1. Feeding Principles
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1. Feeding Principles
Computer feeding
VMS and/or FS
Feed bunk The base
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2. The base defines the strategy
What do you feed at the feed bunk?
• Partial Mixed Ration
• Forage mixture
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2. The base defines the strategy
1. Partial Mixed Ration
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1. Partial Mixed Ration
1. Partial Mixed Rations with a high grain content.
2. Partial Mixed Rations with a low grain content.
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1. Partial Mixed Ration
1. Partial Mixed Rations with a high grain content.
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- Almost a TMR feeding strategy.
- Avg. 4 lb/cow/day feed at the robot.
- Feed table range: 2-6 lb/cow/day.
- Max. per visit: 1 – 2 lb.
- Works best at:
- Milk first pre – selection
- Feed bunk + VMS
1. PMR with a high grain content
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- Main motivator is:
Guided flow:
- Stalls
- VMS
- Ration
- Stalls
1. PMR with a high grain content
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“Candy” concept
All cows same ration
4 Lb.
1. PMR with a high grain content
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VIRTUAL GROUPS IN A GROUP, BASED ON MILK PRODUCTION
3 Lb.4.5 Lb.6 Lb.
1. PMR with a high grain content
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INDIVIDUAL COWS IN A GROUP
1. PMR with a high grain content
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MIXED STRATEGIES: DIM + Individual Milk production
6 Lb.
15 – 100 DIM > 101 DIM
3 – 4.5 - 6 Lb.
1. PMR with a high grain content
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Conc. lb
Milk lb
DIM
1
1.5
2
2.5
3
3.5
4
4.5
6
1
70
75
80
90
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1. PMR with a high grain content
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1. Partial Mixed Ration
1. Partial Mixed Rations with a high grain content.
2. Partial Mixed Rations with a low grain content.
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- Strong focus on top dressing individuals or virtual groups, based on milk production and/or days in milk.
- Avg. 8-10 lb/cow/day feed at the robot.
- Feed table range: 4 – 16 lb/cow/day.
- Max. per visit: 2 – 4 lb.
- Works best at:
- Free flow, Feed first and Milk first
- Feed bunk + VMS
2. PMR with a low grain content
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- Main motivator is:
2. PMR with a low grain content
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“Candy” concept
All cows same ration
4 Lb.
2. PMR with a low grain content
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VIRTUAL GROUPS IN A GROUP, BASED ON MILK PRODUCTION
8 Lb.10 Lb.12 Lb.
2. PMR with a low grain content
Rodriguez, Delaval 12
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INDIVIDUAL COWS IN A GROUP
2. PMR with a low grain content
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MIXED STRATEGIES: DIM + Individual Milk production
16 Lb.
15 – 100 DIM > 100 DIM
4 - 16 Lb.
2. PMR with a low grain content
Rodriguez, Delaval 13
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Conc. lb
Milk lb
DIM
4
8
1
2
6
10
12
14
16
1
70
75
80
90
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2. PMR with a low grain content
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Goal : Consistency
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1. The base defines the strategy
1. Partial Mixed Ration
2. Forage mixture
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2. Forage Mixture at the feed bunk.
- All grain goes through the VMS and feeding Stations.
- Avg. 14 – 20 lb/cow/day
- Feed table range: 8 – 22 lb/cow/day.
- Max. per visit: 4 lb.
- Ex. Total ration avail: 22 pounds
- Milkings per day: 3
- Feed delivered by the VMS: 12 lb
- Feed delivered by the FS: 10 lb
- Total: 22 lb, delivered in 3 visits to VMS, and 3 visits to FS.
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2. Forage Mixture at the feed bunk.
- Works best at:
- Feed first:
- Stalls
- Feed bunk
- SSG: If milking permission granted: Feed at the VMS
- SSG: If milking permission not granted: Feed at the FS, located in a feeding pen between SSG and Stalls.
- Stalls
- Free flow
- Milk first
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- Main motivator is:
Concentrate feed at:
- VMS
- Feeding Stations: 2 FS / 60 Cows
2. Forage Mixture at the feed bunk.
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VIRTUAL GROUPS IN A GROUP, BASED ON MILK PRODUCTION
8 Lb.14 Lb.20 Lb.
2. Forage Mixture at the feed bunk.
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INDIVIDUAL COWS IN A GROUP
2. Forage Mixture at the feed bunk.
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MIXED STRATEGIES: DIM + Individual Milk production
22 Lb.
15 – 100 DIM > 101 DIM
4 - 22 Lb.
2. Forage Mixture at the feed bunk.
Conc. lb
Milk lb
DIM
4
8
1
2
6
12
16
20
24
1
70
75
80
90
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2. Forage Mixture at the feed bunk.
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Example an AMS Barn Diet
Source: Homan M., 2012
Source: Homan M., 2012
Example an AMS Barn Diet
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Summary
What do you feed at the feed bunk?
PMR Forage Mixture
High Grain PMR (“candy” at VMS)
Low Grain PMR
Milk first pre-selection
Free flow Feed first
Milk first - PS
Main motivator: PMR
Main motivator: Concentrate
All grain fed through VMS + FS
Feed first Free flow
Milk first - PS
Main motivator: Concentrate
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Bunk space DebateWestern dairy farmer, October 2.011 by Catherine Brown
Feed bunk
Dairyland initiativeUniversity of Wisconsin 2.011http://thedairylandinitiative.vetmed.wisc.edu
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How to optimize feed bunk space?
• Increase feeding and push up frequency
“The changes in distribution of feeding time resulted in cows having more equal access to feed throughout the day”
“subordinate cows were not displaced as frequently when fed more often”
“the amount of sorting of the feed was reduced by increasing the frequency of feed delivery from 1x to 2x. These results indicate that frequent delivery of feed improves access to feed for all cows, particularly during peak feeding periods when fresh feed is provided, and reduces the amount of feed sorting”
Frequency of feed delivery affects the behavior of lactating dairy cows.
J Dairy Sci. 2005 Oct;88(10):3553-62.
DeVries TJ, von Keyserlingk MA, Beauchemin KA.
Feeding frequency: More than 2X per day.
Evaluate sorting as a routine.
Automatic feeding systems
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Head locks
• UBC research by Enders, 21% fewer feed bunk displacements with HL.
• A trend today is 27 – 29 inches per headlock instead of 24 inches, better cow comfort and space usage.
Feed Stalls
• Recent University of British Columbia research shows better Feed Bunk usage with feed stalls, means less Feed Bunk displacements, fewer long term health problems and less transition cow problems.
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Thank you!
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