forage nutrition
TRANSCRIPT
Maximizing the Value of Fiber in Dairy Rations
The Dairy Economy
U.S. dairy profit margins have been very strong in recent months, supported by falling feed costs and strong international demand for dairy products.
A sharp increase in China milk powder demand has been particularly significant to strong global dairy prices.
– Other major milk producing nations faced difficult production conditions in the past year, limiting their response to the increased demand.
– The U.S. has been the key world supplier in some dairy product markets in recent months.
How quickly other major dairy producing nations such as Australia, New Zealand and the EU increase production in response to today’s strong international prices will largely determine the U.S. milk price and profitability in 2015 and beyond.
The Dairy Focus at Pioneer
51,481 licensed dairy farms in the US 7.379 million acres of corn for silage 17.3 million acres of alfalfa harvested 2.39 million newly seeded acres 26.5 million tons of haylage and
greenchop production
Forage Product Lines
Corn for Silage and Grain Alfalfa Silage Inoculants
Why is Digestible Fiber Important?
Fiber is the predominant fraction of the plant cell wall and primarily comprised of carbohydrates. The primary components of fiber are cellulose, hemicellulose, and lignin.
Lactating dairy cows have obligate requirements for fiber in order to maintain normal rumination, chewing and saliva production, and normal ruminal function.
In diets for high producing cows, the amount of fiber in the diet tends to decline as energy density increases. Rumen acidosis often occurs when there is insufficient amounts of total fiber or effective fiber in the diet.
Dairymen are looking for more energy from fiber
Management Choices for Increasing Fiber Digestibility (NDFD) of Corn Silage
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Corn Silage (non-BMR)
Corn Silage High Chopping (non-BMR)
11CFT Treated Corn Silage (non-BMR)
BMR Corn Silage
Management Choices for Increasing Fiber Digestibility (NDFD) of Corn Silage
Corn Silage (non-BMR)
Approaches to Modifying Fiber Digestibility
Limited fiber digestibility differences among silage hybrids (~2-3 units NDFD) Environmental growing conditions drive fiber digestibility in corn plants more than genetics Wet growing conditions pre-tassel lower digestibility
Agronomic and Yield Considerations
Maximizes forage and starch yield per acre Best agronomics and stress tolerance Very good performance on all soil types and in water limited environments.
Farm Operation and Land Base Considerations
Maximizes corn silage production per acre Corn silage can be harvested and stored in a single silo or pile
Ration and Herd Management Considerations
Fiber digestibility depends on growing conditions Can be fed to all animal groups
Management Choices for Increasing Fiber Digestibility (NDFD) of Corn Silage
Corn Silage High Chopping (non-BMR)
Approaches to Modifying Fiber Digestibility High chopping eliminates the most indigestible portion of the stalk Depending upon hybrid and growing environment, NDFD can be increased 2-4 units when
raising chop height from 6 to 18-in
Agronomic and Yield Considerations Yield, reduced by 10-12% when chopping at 12-18-in versus typical 6-in height Starch content increases in high chop silage
Farm Operation and Land Base Considerations Can be managed based on growing and field conditions Provides additional stover for erosion protection May need separate storage to allocate to cows needing higher energy silage
Ration and Herd Management Considerations
High chop height improves fiber digestibility and increases (concentrates) the starch content
Management Choices for Increasing Fiber Digestibility (NDFD) of Corn Silage
11CFT Treated Corn Silage (non-BMR)
Approaches to Modifying Fiber Digestibility Fiber digestibility improved in the storage structure via bacteria produced enzyme breaking
bonds between lignin and cellulose Digestion rates of corn silage fiber increase by 30-35% due to increased digestibility of cell walls
Agronomic and Yield Considerations Maximizes forage and starch yield per acre using non-BMR hybrids with high fiber digestibility Allows more freedom in selecting hybrids based on soil types and water-limited environments
Farm Operation and Land Base Considerations Maximizes corn silage production per acre May need multiple bunkers, bags or silos to separate 11CFT-treated forage 11CFT adds 8-9 cents per cow per day to ration cost
Ration and Herd Management Considerations High forage diets Nutritionist willing to adjust ration to reflect increased fiber digestion rates Want to push top-end/early lactation cows
DuPont Pioneer® Brand Fiber Technology Products
Grass and cereal silage specific
Corn silage specific
Alfalfa silage specific
FT “Triple” Activity
1. Reduces “front-end” fermentation losses • from the homfermentative strains
2. Reduces heating at feed-out • from the L. buchneri strain
3. Increased fiber digestibility (NDFD) by an average of 4% units
• From the enzymes produced in the silage by Pioneer L. buchneri strain in FT inoculants, not all L. buchneri strains have this enzyme-producing capability
11CFT treated bunker in NY Note cool and consistent temperature
For the Cow – Increase rate of fiber digestibility For the Dairyman–- Ability to feed more forage and reduce concentrates
Gas Rate Analysis to Support Ration Balancing
Gas Rate Analysis to Support Ration Balancing
Fermentrics is a trademark of RFS Technologies
Fermentrics and Feeding FT silages Fermentrics is a unique, gas-production laboratory method that allows for direct
measurement of the rate of fiber and starch digestion. Fermentrics has been commercially available since Fall 2010 through a business
collaboration between Dairyland Laboratories and RFS Technologies. Pioneer nutritionists have extensive experience with Fermentrics analysis and
work with independent and feed company nutritionists to help them better understand the mode of action of the bacterial strains in FT products which produce an enzyme while growing in the silage mass, which significantly improves the rate of nutrient digestion
Fermentrics Helps Define How Much Starch and Protein Can Be Removed in Dairy Rations Feeding FT Silages
Guidelines for changing the carbohydrate digestion rates with the use of 11CFT, which can be found in the FT Manual.
If a producer has actual Fermentrics values on their silages, then those values should be used in ration formulation.
Management Choices for Increasing Fiber Digestibility (NDFD) of Corn Silage
BMR Corn Silage Approaches to Modifying Fiber Digestibility Fiber digestibility is improved by 5-10 units NDFD through reduced lignin content of forage Low lignin content and fiber fragility increases animal intake and rate of passage resulting in
higher ruminal energy availability Agronomic and Yield Considerations Slightly lower forage and starch yield potential, especially under stressful conditions Best on high productivity soil types with limited moisture stress Farm Operation and Land Base Considerations Requires more acres due to slightly lower forage yields and increased feed intake by the cows May need multiple bunkers, bags or silos to separate BMR corn silage Higher seed cost
Ration and Herd Management Considerations
High forage diets Nutritionist has experience feeding BMR silage Want to push top-end/early lactation cows
Hybrid and variety responses are variable and subject to any number of environmental, disease and pest pressures. Do not use this or any other data from a limited number of trials as a significant factor in product selection. Individual results may vary. Refer to www.pioneer.com or contact a Pioneer Sales Representative or authorized dealer for the latest and complete listing of traits and scores for each Pioneer® brand product. Herculex® Insect Protection technology by Dow AgroSciences and Pioneer Hi-Bred. Herculex® and the HX logo are registered trademarks of Dow AgroSciences LLC. Roundup Ready® is a registered trademark used under license from Monsanto Company. Liberty®, LibertyLink® and the Water Droplet Design are trademarks of Bayer. The DuPont Oval Logo is a registered trademark of DuPont. Pioneer® brand products are provided subject to the terms and conditions of purchase which are part of the labeling and purchase documents. ®, TM, SM Trademarks and service marks of Pioneer. © 2013 PHII.
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Canada - Ian GrantCentral - Judd O'ConnorHeartland - John PieperNortheast - Randy M intonNorthern - Open PositionSouthern - Greg WichmannWestern - Steve Reno
DuPont Pioneer Dairy and Livestock Specialists -US and Canada-
Kevin Putnam NY/NE Dairy Specialist
Dann Bolinger, M.S. MI Dairy Specialist
Tim Hageman NE Iowa
Livestock Specialist
Tammy Weaver PA Dairy Specialist
Dr. Steve Soderlund Livestock Key Accts
Matt Laubach, M.S. MN Dairy Specialist
Becky Arnold Livestock Key Accts
Martina Pfister Dairy Specialist Western Ontario
Marilyne Beaudry Dairy Specialist Eastern Ontario Bill Powel-Smith
WI Dairy Specialist
Alan Patterson WI Dairy Specialist
Bill Ramsey, M.S. Western LIM
Dan Wiersma, M.S. Northern LIM
Robert Larmer Eastern Canada LIM
Bill Seglar,DVM [email protected]
515-360-9690 cell
Bill Mahanna,Ph.D.,Dipl ACAN
[email protected] 515-229-3409 cell
Fred Owens, Ph.D. [email protected]
515-535-6416
Scott Dennis, Ph.D. [email protected]
515-240-5089 cell
DuPont Pioneer Nutritional Sciences and Sales Support Team
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