A pasture-based meat goat performance test in Western Maryland Susan Schoenian and Jeanne Dietz-Band...
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Transcript of A pasture-based meat goat performance test in Western Maryland Susan Schoenian and Jeanne Dietz-Band...
![Page 1: A pasture-based meat goat performance test in Western Maryland Susan Schoenian and Jeanne Dietz-Band Western Maryland Research & Education Center Maryland.](https://reader036.fdocuments.us/reader036/viewer/2022062511/55146860550346494e8b5c5b/html5/thumbnails/1.jpg)
A pasture-based meat goat A pasture-based meat goat performance test in Western Marylandperformance test in Western Maryland
Susan Schoenian and Jeanne Dietz-BandWestern Maryland Research & Education Center
Maryland Cooperative Extensionhttp://mdgoattest.blogspot.com
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Assumptions
• Most meat goat kids are grown out on pasture.
• Grain feeding is generally not very economical for meat goats, and this will become increasingly so.
• Most producers select goats on the basis of how they look, not how they perform.
• Internal parasites (worms) are the primary health problem affecting meat goats and have a major impact on their on pasture.
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Objectives
• Measure genetic differences in meat goats consuming a pasture diet with natural exposure to internal parasites (esp. Haemonchus contortis).
• Evaluate meat goats for growth performance, parasite resistance, and carcass merit under pasture conditions.
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Western Maryland Research & Education Center Keedysville, Maryland
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Resources: 10 acres of pasture
Composition• 2 acres chicory• 1 acre birdsfoot trefoil• 7 acres fescue and
orchardgrass
In 2007• Replace paddock of infected tall
fescue with Max Q™ fescue.• Plant ~ 1 acre of pearl millet for
summer grazing.
Management• 50 lbs. N/acre 3/17 and 5/25• No lime needed in 2006• Mow as needed
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Resources: Fencing
• Perimeter– 6-strand HT electric– All wires hot– Fence line is sprayed.
• Interior– 3-4 strand electric
• Pearl millet– Premier Electronet
Chicory
BirdsfootOG
F-OGF-OG
F-OGPM
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Central laneway: goat always have access
• Three 6 x 11 ft. port-a-hut shelters
• Water troughs• Mineral feeders• Handling system
with work platform.
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Test Protocol
• Up to 50 male goats accepted.
• Any breed or breed cross• Born Dec 15 - March 15• Vaccinated twice for CD-T• Hooves trimmed• Health papers issued
within 30 days of test• No signs of foot rot, sore
mouth, or abscesses.• Scrapie ID
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Upon Arrival
• Close inspection• Weigh• FAMACHA© score• Body condition score• Collect fecal sample• Deworm with moxidectin• Stand in foot bath for 10
minutes (zinc sulfate)• Day 0-2, treat for
coccidiosis in water
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Management
• Managed as a single herd on pasture
• No supplemental feed• Free choice minerals with
Deccox®• Rotationally graze among five 2-
acre paddocks of cool season grasses.
• Access to central laneway containing shelter, water troughs, mineral feeders, and handling system.
• 14 wethers were added to the herd and removed in August.
• Checked at least daily.
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Data collection
• Every 14 days– FAMACHA© score– Body condition score– Deworm 4’s and 5’s
Don’t deworm 1’s and 2’s3’s - depends
– Treat for other problems, as necessary
• Collect fecal sample at day 0, 28, and 56.
• Weigh every 28 days• Scan for carcass traits• Measure scrotal circumference
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2006 Test: June 10 - Oct 6
• 35 male goats– Boer (6)– Kiko (17)– Boer x Kiko (11)– Genemaster (1)
• Six consigners– Maryland (3)– West Virginia (1)– Pennsylvania (1)– Virginia (2)– Georgia (1)– Oklahoma (1)
• 29 - 72 lbs.• Avg. 49 lbs.
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2006 test: June 10 - Oct 6
• 31 goats finished test• 4 eliminated
– 2 soremouth– 3 abscesses
• 1 untested, picked up by owner
• 1 tested positive for CL• 1 tested negative for CL
• No death loss
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Average daily gain, lbs. per day
LowLow HighHigh Avg.Avg.
0-28 0.074 0.444 0.275
28-58 0.036 0.536 0.202
56-84 0.074 0.556 0.293
84-112 - 0.17 0.310 0.01
Overall 0.036 0.286 0.19
Average daily gain
40
45
50
55
60
65
70
75
6/10
6/17
6/24 7/1
7/8
7/15
7/22
7/29 8/5
8/12
8/19
8/26 9/2
9/9
9/16
9/23
po
un
ds
6.48"
2.44"
1.10"
6.66 "
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Number of anthelmintic treatmentsand average FAMACHA© Score
0
5
10
15
20
25
30
35
10-J
un
23-J
un
7-Ju
l
21-J
ul
4-A
ug
18-A
ug
31-A
ug
15-S
ep
29-S
ep
Nu
mb
er t
reat
ed
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
FA
MA
CH
A(C
) sc
ore
Number of animals dewormed Avg. FAMACHA(c) score
Date # deworme
d
June 10 0*
June 23 2
July 7 0
July 21 1
August 4 20
August 18 11
August 31 0
Sept 15 11
Sept 29 5* None of the goats required dewormed upon arrival, but all were dewormed with moxidectin for FEC protocol.
Parasite resilience (tolerance)
5 inches
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Parasite resilience (tolerance)
# goats % of goats # treatments
4 12.9 0
13 41.9 1
7 22.6 2
4 12.9 3
3 9.7 4
31 100.0
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Fecal Egg Count data* (parasite resistance)
Sample date Low High Average
Day 0 0 7,700 308
Day 28 0 2,800 732
Day 56 0 4,650 565
*raw data, unanalyzed
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Summary of Data
Trait Low High Average
Starting weight, lbs. 29.0 72.0 48.8
Ending weight, lbs. 52.0 98.0 69.3
Average Daily Gain, lbs. per day 0.036 0.286 0.190
Number of times dewormed, # 0 4 1.65
Fecal egg counts, eggs per gram 0 7,700 535
Rib eye area, square inches 1.06 1.86 1.43
Backfat, inches 0.04 0.14 0.077
Scrotal circumference, cm 18 30 24.5
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Meat Goat Test BLOGhttp://mdgoattest.blogspot.com
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Questions, comments
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Small Ruminant Web-Based Information Sources
1) Maryland Small Ruminant Pagehttp://www.sheepandgoat.com
2) Maryland Sheep and Goat (Quarterly) Newsletterhttp://www.sheepandgoat.com/news/
3) Hair Sheep Workshop @ Virginia State Universityhttp://www.sheepandgoat.com/hairsheepworkshop/index.html
4) Shepherd’s Notebook Bloghttp://mdsheepgoat.blogspot.com
5) Meat Goat Performance Test Bloghttp://mdgoattest.blogspot.com
6) Sheep 101 http://www.sheep101.info
7) Sheep 201: A Beginner’s Guide to Raising Sheephttp://www.sheep101.info/201/
8) National Resource on Sheep & Goat Marketinghttp://www.sheepgoatmarketing.info