Download - Summer Forages for Beef Cattle
![Page 1: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/1.jpg)
Science. Service. Solutions.©
Beef Cattle Nutrition and Summer Forages
Scott Sell – Area Livestock Agent
![Page 2: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/2.jpg)
Classes of Summer Forages
Perennials Annuals
![Page 3: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/3.jpg)
Summer Grazing in SC• Permanent Summer Perennials
– Hybrid Bermudas• Tift 85• Coastal• Russell• Tift 44/Tift 78/Alecia – By gone – poor performers
– Bahia• Pensacola – Most common• Tifton 9• Tift Quik
![Page 4: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/4.jpg)
Grass QualityTable 1. Typical fertilizer and lime recommendations, and the approximate forage quality, carrying capacity, and stocker gains that can be expected when recommended varieties of bahiagrass, bermudagrass, and tall fescue are used as the primary pasture species.
Fertilizer Recommendations1
Annual Lime Needed
Typical Forage
Quality2
Range in ForageQuality
Carrying Capacity
Average Daily Gains -
Stocker Cattle
N P2O5 K2O
— (lbs/acre) — (tons/acre) — (RFQ)— (AU3/acre/yr) (lbs/head/day)
Bahiagrass 75-175 40 40 0.3-0.5 85-90 75-110 0.75-1.25 0.7-1.0
Bermudagrass 150-250 30 65 0.3-0.5 90-100 80-140 1.00-1.50 1.5-1.8
1 Assumes medium levels of phosphorus and potassium in the soil test.2 The forage quality values here are estimated based on NDF and digestibility estimates in the published literature. (RFQ = Relative Forage Quality)3 AU = Animal Unit. One animal unit is equivalent to 1,000 lbs. 4 Tall fescue is not recommended for pastures in the Coastal Plain. Approximations for animal performance for tall fescue in this table assume the use of a recommended novel-endophyte infected variety.
![Page 5: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/5.jpg)
![Page 6: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/6.jpg)
Tifton 9 Vs. Pensacola• 3 Year Side by Side Comparison
– Tifton 9 – 47% more Forage– Tifton 9 – 17% more days of grazing– Same inputs
Burton; Gates and Hill - 2000
![Page 7: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/7.jpg)
Tifton 9 Vs. TifQuik• Tifton 9—This cultivar was developed and released by the
University of Georgia and the U.S. Department of Agriculture (USDA) in 1989 by Glenn Burton. Tifton 9 is a selection from Pensacola that was found to have superior yields in early spring and late fall. Tifton 9 is estimated to occupy 10% of the bahiagrass acreage in Florida.
• TifQuik—This cultivar, recently released by the USDA and the University of Georgia, has fewer hard seeds and results in a more rapid or "quick" stand establishment. In the spring, it grows faster than Tifton 9 or Pensacola because of increased seedling emergence.
Newman et al. 2008, University of Florida
![Page 8: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/8.jpg)
Tifton 9 And Tift Quik Establishment• Have your soil tested. • Apply 50 pounds per acre of nitrogen plus adequate phosphorous and
potassium.• Prepare a firm weed-free seed bed.• Plant seed 1/2 inch deep with a grain drill or grass seeder. • Plant in early spring to give a full summer season for establishment.• Pack the soil after planting with a very heavy roller or the tractor to keep
soil moist around the seed or use a Cultipacker – Very Important• Control weeds with mowing or limited grazing to keep them down close
to the top bahiagrass leaves.• An application of 2,4-D will control broad leaf weeds – When a minimum
of 6 inches tall.
Burton; Gates and Hill - 2000
![Page 9: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/9.jpg)
Bahia Planting Rates
Seeding Rates
(lb/acre)
Pensacola 20–30
Argentine 20–30
Tifton 9 15–20
UF-Riata 15–20
TifQuik 15-20
Adapted from data from Newman et al. 2008, University of Florida
Bahiagrass Seeding Rates
![Page 10: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/10.jpg)
Peanut/Cotton/Bahia Rotation
Rotation2003 2004
lbs/acre
Bahiagrass-Bahiagrass-Peanut-Cotton
2783 3281
Peanut-Cotton-Cotton 1958 2415
Peanut yield for two crop rotations in FL during 2003 and 2004.
![Page 11: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/11.jpg)
Tift 9 or TifQuik?
Tift 9
• Less expensive– Approx $80/40 lb bag
• More hard seed• Slower establishment• Way to go for pasture-hay
when time is not of the essence.
TifQuik• More Expensive
– Approx $185/40 lb bag
• Less hard seed• Faster establishment• Well Suited to Runner
Peanut/Bahia Hay rotation
• Plant late summer with perennial peanuts for excellent pasture
•Same Lineage•TifQuik is a Tift 9 Cultivar•Many of the Same charateristics
![Page 12: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/12.jpg)
![Page 13: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/13.jpg)
AdaptationGrown in all areas except in mountains. Varieties differ in cold
hardiness. Best adapted on sandy soils but will do well on clay soils. Hybrids are higher yielding, deeper rooted, and more drought
tolerant than common bermudagrass. Tolerant of close grazing. Not tolerant of poor drainage.
Establishment Seeded types - 5 to 10 lb/A in spring. Hybrids - March-April with sprigs at 10 bu/A
Varieties Sprigged: Tifton 85, Russell.Seeded types/blends: Cheyenne II, Ranchero Frio, Sungrazer
Hybrid Bermuda Grasses
![Page 14: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/14.jpg)
Varieties by AreaTable 1b. Summary of the characteristics of the primary vegetatively propagated (sprigged) bermudagrasses in Georgia.
Recommended for:
Variety MountainUpper
PiedmontMidlands
Coastal Plain
Alicia (Alecia) X X X X
Coastal X YES YES YES
Coastcross II ND* YES YES YES
Russell YES YES YES YES
Tifton 44 X X X X
Tifton 78 X X X X
Tifton 85 YES YES YES
* Insufficient data exists to accurately estimate these parameters. Coastcross II remains a relatively new variety and has not yet been evaluated as rigorously as other hybrids.
Hancock Et. Al., UGA, 2012
![Page 15: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/15.jpg)
Bermuda Grass PerformanceTable 1a. Summary of the characteristics of the primary vegetatively propagated (sprigged) bermudagrasses in Georgia.
Variety Overall Rating Yield* Digestibility** Winter Hardiness PersistenceLeaf Spot
Resistance
Alicia (Alecia) tt3 100 P G P P
Coastal ttt3 100 F G G E
Coastcross II tttt3 135 E G ND*** ND
Russell tttt3 130 G E E G
Tifton 44 tttt 90 G E G E
Tifton 78 ttt 120 E F F E
Tifton 85 ttttt 135 E F E E
Ratings: E = Excellent, G = Good, F = Fair, P = Poor.* Yields are expressed as a percent of yields from Coastal.** Based on in vitro dry matter digestibility.*** Insufficient data exists to accurately estimate these parameters. Coastcross II remains a relatively new variety and has not yet been evaluated as rigorously as other hybrids.
Hancock Et. Al., UGA 2012
![Page 16: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/16.jpg)
Yield Comparison – Vs. Coastal
Alicia (Alecia)Coastal Coastcross II Russell Tifton 44 Tifton 78 Tifton 850
20
40
60
80
100
120
140
160
Yield/Ac Based on % of Coastal Yield
Hancock Et. Al., UGA, 2012
![Page 17: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/17.jpg)
Seeded BermudasTable 3a. Summary of the characteristics of the primary seeded bermudagrasses in Georgia.
Variety Overall Rating Yield* Winter Hardiness Persistence
Giant (NK37) 3 55 P P
Cheyenne** ttt 60 G E
CD90160 ttt 60 G E
KF-194 ttt 60 G E
Wrangler t3 55 E F
Common t 50 G G
Ratings: E = Excellent, G = Good, F = Fair, P = Poor.*Yields are expressed as a percent of yields from Coastal.**The original Cheyenne is no longer being sold. Cheyenne II, a variant of Cheyenne (selected for higher seed yield), is currently being marketed. Cheyenne II is expected to have characteristics similar to Cheyenne.
![Page 18: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/18.jpg)
Yield Comparison – Vs. CoastalSeeded Vs. Sprigged
Alicia (A
lecia)
Coastal
Coastcro
ss II
Russell
Tifton 44
Tifton 78
Tifton 85
Giant (NK37)
Cheyenne**
CD90160
KF-194
Wra
ngler
Comm
on0
20406080
100120140160
Yield/Ac Based on % of Coastal YieldSprigged Varieties Seeded Varieties
Hancock Et. Al., UGA, 2012
![Page 19: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/19.jpg)
Establishment
• Hybrid bermudagrasses:– (a) dormant rhizomes - December to early
March– (b) Rhizomes with green tops – spring (after
last freeze) to early August– (c) Tops/Green stems - Early June to August
![Page 20: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/20.jpg)
Establishment Cont.• 10 Bu/Acre – Approx• Weed Control
– Chemical – • Prowl H2O• Pastora
– Grazing/Mowing
![Page 21: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/21.jpg)
2nd year after discing
2 Months After Planting
![Page 22: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/22.jpg)
![Page 23: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/23.jpg)
![Page 24: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/24.jpg)
![Page 25: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/25.jpg)
Helminth.
Screven Co., GA - August 2012
COMMON
COASTAL
COASTAL
![Page 26: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/26.jpg)
Bermuda Grass Stem Maggot
![Page 27: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/27.jpg)
Maggot
The larva (maggot) is about 1/8” (3 mm) long.
![Page 28: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/28.jpg)
Damage
Figure 2. Only the top parts of the bermudagrass shootsare damaged, causing the frosted appearance
![Page 29: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/29.jpg)
Damage
![Page 30: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/30.jpg)
Bermuda Grass Stem Maggot• Atherigona reversura• Native to Japan, Indonesia, India, and Hawaii• First found in GA – 2010 - Pierce, Jeff Davis,
and Tift counties in Georgia• First record of this species in North America• Found in SC last two growing seasons• Hay fields most impacted• Not an issue in grazing as cattle keep grass
growth in check and consume maggot• Broader leaved varieties not as affected
![Page 31: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/31.jpg)
Control and Management• Cut damaged crop• Apply foliar labeled pyrethroid• Apply once at 1-2 days after cutting• Apply second application 5-7 days after
first• Later in the season pressure/stress
increases
William G. Hudson, University of GeorgiaDennis Hancock, University of GeorgiaKathy Flanders, Auburn UniversityHenry Dorough, Alabama Cooperative Extension SystemMarch 2013
![Page 32: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/32.jpg)
Pyrethroids for Hay in SC• Baythroid XL – 1.6-2.8 fl oz/ac• Mustang Max (EC) – 2.8-4.0 oz/ac• Karate – 2.6-3.8 oz/acAs always follow label precautions and instructions
![Page 33: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/33.jpg)
Summer Grazing in SC• Summer Annuals
– Millet– Sorghum-Sudan Type– Cow Peas– Forage Soybeans
![Page 34: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/34.jpg)
Millets/Soghums/Sudans – Planting Times and RatesPlanting dates and seeding rates for selected warm season annual grasses.
Species Planting Dates*
Seeding RateDrilled Broadcast
—— lbs. of PLS/acre ——
Pearl Millet UP May 1 – July 1 10–15 25–30
MDLS April 15 – July 15
CP April 1 – August 1
Sorghum x Sudan Hybrids UP May 1 – July 15 15–20 20–25
MDLS April 15 – August 1
CP April 1 – August 15
Sudangrass UP May 1 – July 1 20–25 30–40
MDLS April 15 – July 15
CP April 1 – August 1
Forage Sorghum UP April 25 – May 15 15–20 20–25
MDLS April 15 – May 15
CP April 15 – June 1
* UP Upstate; MDLS = MidLands; CP = Coastal Plain Region.
Hancock, UGA
![Page 35: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/35.jpg)
Variety Trials - Tifton
Tifleaf 3
![Page 36: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/36.jpg)
Forage Sorghum
Tif-Leaf 3
Sorghum-Sudan
![Page 37: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/37.jpg)
Cow Peas for Forage
![Page 38: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/38.jpg)
• Cowpea (Vigna unguiculata [L.] Walp. ssp.) unguiculata
• Once widely grown in North Florida as a hay or green manure
• Well adapted to sandy, and low fertility soils.• It is now used in mixtures with pearl millet
or sorghum-sudangrass for late summer/early fall grazing and for wildlife feed plots.
![Page 39: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/39.jpg)
• Establishment: • Very tolerant to drought, shade, and low fertility and acid soils• Cowpea can be broadcast at rates of 100 to 120 lb/ac between April 1 and
July 31 • cover with light disking or drilled at rates of 30 to 40 lbs/ac to a depth of 1-
1.5 inches. • Fertilization:
• N is not required. • At least 27 lb P/acre and 40 lb K/acre.
• Grazing/Hay Management: • Yields ranging from 2 to 3.5 tons/ac. • Cowpea can also be used for the production of high quality hay or silage,
when mixed with crops such as corn or sorghum, or it can be used for rotational grazing.
• Forage Quality: • Protein (20 to 25%)
• Varieties/Cultivars: • Mississippi Pinkeye Purple • Colossus• Freezegreen• Alabama Giant Blackeye.
![Page 40: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/40.jpg)
Cowpeas and Millet at EFBT-EREC
• Tiftleaf 3 @ 20 lbs./Ac• Cowpeas @ 15 lbs/Ac• Millet in small box• Cowpeas in large box• Two Plantings/Cross Planting• No inocculant really needed
![Page 41: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/41.jpg)
Quantifiable Measures of Forage Quality
• MCAL• KCAL• NEL• NEG• NEM• TDN – Total Digestible Nutrients –
Energy/CP• CP – Crude Protein
Measures of EnergyLactation/Gain/Maintenance
![Page 42: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/42.jpg)
CBG FESCUE RYEGRASS SORGHUM LEGUME /GRASS MIX
CLOVER0
10
20
30
40
50
60
70
80
15 14
18
12
20
28
60 59
68
58
62
69
TDN and CP Content of Typical CSRA ForagesGrazing Pastures
CP% TDN%
![Page 43: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/43.jpg)
Animal Performance
Plant-Animal Interaction
Potential Forage Feeding
Value
Potential Nutritive Value
Anti-Quality Factors
Potential Intake
Potential Animal
Performance
Genetic Factors
Environmental Factors
Physiological Factors
Factors Affecting Forage Quality• Genotype• Plant Part• Maturity• Climate• Soils• Pests
• Genotype• Body Size• Sex• Breed• Age• BCS• Health
• Climate• Pests• Herd Effects
![Page 44: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/44.jpg)
Nutrient Requirements of Beef Brood Cows
Drovers – 2/6/2013
![Page 45: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/45.jpg)
Dry Lactating Weaned0
5
10
15
20
25
30
35
Beef Cattle DMI per Day by Class
DMI
Lbs D
aily
DM
I
![Page 46: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/46.jpg)
CBG FESCUE RYEGRASS MILLET LEGUME /GRASS MIX
CLOVER0
5
10
15
20
25
30
Dry Dry Dry Dry Dry Dry
Lactating Lactating Lactating Lactating Lactating Lactating
Weaned Weaned Weaned Weaned Weaned Weaned
Beef Cattle CP Req by Forage Type
CP%DryLactatingWeaned
% C
P
![Page 47: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/47.jpg)
CBG FESCUE RYEGRASS MILLET LEGUME /GRASS MIX
CLOVER0
10
20
30
40
50
60
70
80
Dry Dry Dry Dry Dry Dry
Lactating Lactating Lactating Lactating Lactating Lactating
Weaned Weaned Weaned Weaned Weaned Weaned
Beef Cattle TDN Req by Forage Type
TDN%DryLactatingWeaned
% T
DN
![Page 48: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/48.jpg)
Credits• UGA Extension – Dr. Dennis Hancock• UGA Crop & Soil Sciences• Mississippi State Extension• University of Florida Extension• Clemson Extension• Alabama Extension
![Page 49: Summer Forages for Beef Cattle](https://reader035.vdocument.in/reader035/viewer/2022062312/555bbad9d8b42a96108b4e82/html5/thumbnails/49.jpg)
Contact info• Scott Sell
– Area Livestock Agent – Edisto EREC– Cell 912-682-9590– Email: [email protected]