This is the 5th and final presentation in a 5-part webinar series on Breeding Better Sheep & Goats. The presenter is Susan Schoenian, University of Maryland Extension Sheep & Goat Specialist.
This presentation discusses the pros and cons, myths and truths, and whys and why nots pertaining to grass-fed lamb and goat. It was originally presented by University of Maryland Extension Sheep & Goat Specialist Susan Schoenian at the 2009 Annual Meeting of the Dutchess County Sheep & Wool Growers Association in Red Hook, New York.
This is the 5th and final presentation in a 5-part webinar series on Breeding Better Sheep & Goats. The presenter is Susan Schoenian, University of Maryland Extension Sheep & Goat Specialist.
This presentation discusses the pros and cons, myths and truths, and whys and why nots pertaining to grass-fed lamb and goat. It was originally presented by University of Maryland Extension Sheep & Goat Specialist Susan Schoenian at the 2009 Annual Meeting of the Dutchess County Sheep & Wool Growers Association in Red Hook, New York.
This was the third presentation in a 6-part webinar series on the National Sheep Improvement Program (NSIP). The presenter was Cody Hiemke, a Shropshire breeder from Wisconsin. The presentation was given on May 15, 2014.
This is the 4th webinar in a five part series on Breeding Better Sheep & Goats. This presentation entitled "Performance Evaluation" was given by Susan Schoenian, University of Maryland Extension Sheep & Goat Specialist.
Production Performance and Management Practices of Philippine Native Pigs in ...Garry D. Lasaga
Recently, there has been a proliferation of studies that deals with the major topic on the Conservation, Improvement and Profitable Utilization of the Philippine Native Pigs. One of the main reasons why there is an influx of research on native pigs is because there is a need to promote one of the government’s aim to the country, w/c is ultimately POVERTY ALLEVIATION.
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More presentations at https://www.youtube.com/channel/UC9xWTLbiBMQQi8L_WHIWcjA
This was the third presentation in a 6-part webinar series on the National Sheep Improvement Program (NSIP). The presenter was Cody Hiemke, a Shropshire breeder from Wisconsin. The presentation was given on May 15, 2014.
This is the 4th webinar in a five part series on Breeding Better Sheep & Goats. This presentation entitled "Performance Evaluation" was given by Susan Schoenian, University of Maryland Extension Sheep & Goat Specialist.
Production Performance and Management Practices of Philippine Native Pigs in ...Garry D. Lasaga
Recently, there has been a proliferation of studies that deals with the major topic on the Conservation, Improvement and Profitable Utilization of the Philippine Native Pigs. One of the main reasons why there is an influx of research on native pigs is because there is a need to promote one of the government’s aim to the country, w/c is ultimately POVERTY ALLEVIATION.
Dr. Alison Van Eenennaam - Were Those the Days? Animal Ag Then & NowJohn Blue
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More presentations at https://www.youtube.com/channel/UC9xWTLbiBMQQi8L_WHIWcjA
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A study was carried out to evaluate the nutritive value and enzyme
supplementation of different sources of energy in broiler diets on the growth
performance and heamatological parameters of broiler chickens supplemented with
Mazigrain® enzyme within the treated groups. Five isonitrogenous and isocaloric diets
less (23.17 % CP; 2831 Kcal/ME and 21.73 % CP; 2929 Kcal/ME) for the broiler starter
(0 - a month) and finisher phases (5–8 months) respectively were formulated. Diet 1
(maize based diet) served in as the control while diets 2, 3, 4 and 5 were
supplemented with sorghum, pearl millet, cassava and sweet potatoes based diets
separately. A sum of 225 day-old NAPRI X broiler chicks were haphazardly distributed
to the five treatments. Every treatment comprised of 45 broilers with three repeats of
fifteen birds each in a Completely Randomized Design (CRD). The general linear model
protocol of S.A.S. 9.0. was used to analyze the collected data. Among the dietary
groups significant changes (P<0.05) was found utilizing a Tukey test. Enzyme along
with various energy sources have noteworthy (P<0.05) changes on every one of the
parameters (final weight, daily weight gain, feed conversion ratio, water intake, water
to feed ratio and feed cost per kilogram weight gain) except for death rate at the
starter phase. Broilers that had sorghum based diet had the best performance at
starter stage (final weight; 627 g, weight gain; 576.85 g, feed cost/kg gain; ^ 187.95 k).
At the finisher stage, sorghum supplemented with enzyme had the best feed
conversion ratio (1.96) and feed cost/kg gain; ^ 171.15 k. The optimal performance
characteristics were recorded for sorghum based diets. Feed cost / kg gain was the
cheapest on birds fed sorghum based diet with enzyme supplementation which was
comparable with those fed the maize based diet. However, the use of enzyme
enhanced the performance of birds at both the starter and finisher phases.
Were those the days? Agriculture Then and NowJohn Blue
Were those the days? Agriculture Then and Now - Dr. Alison Van Eenennaam, University of California, Davis, from the 2019 Iowa Pork Congress, January 23 - 24, 2019, Des Moines, IA, USA.
More presentations at https://www.youtube.com/channel/UCEFNbfee_Rq3AfAFTRpuCrQ
Multi-dimensional crop improvement: Experiences from collaborative ILRI-ICRIS...ILRI
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Effect of potato (Solanum tuberosum) meal on broiler productionNazmus Sakib
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The study was conducted to find out the performance of broiler birds fed different levels of potato meal (PM). The levels of potato meal in the different treatment rations were control 0, 5, 10, and 15 g/kg, respectively. Dietary levels of PM did not affect live weight at 7, 21, 28, 35 and 42 days of age. However, live weight of broiler differed significantly (p<0.05)><0.05)>0.05) among different levels of PM in diet at 21, 28, 35, and 42 days of age. Feed conversion ratio (FCR) decreased between 7 and 14 days of age with the least conversion observed at 15 g/kg PM level. FCR didn’t differ significantly (p<0.05)><0.05). However, sale price (Taka/broiler) and sale price (Taka/kg broiler) were more or less similar in all treatments. Profit per broiler and per kg broiler were reduced as the PM level increased in the diet. It was therefore concluded that use of potato meal at 5 to 15g/kg diet may not be suitable for growth and profitability in broiler production
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Growth and performance of lambs and kids on pasture
1. GROWTH AND
PERFORMANCE OF LAMBS
AND KIDS ON PASTURE
SUSAN SCHOENIAN
Sheep & Goat Specialist
University of Maryland Extension
sschoen@umd.edu | sheepandgoat.com
2. Pros and cons of rearing lambs and kids on pasture
PROS
Leaner, more healthful meat
Growing demand for grass-fed and
organic meat, dairy, and fiber
Potentially more economical gains
CONS
Predator risk
Worm risk
Weather risk
Potentially poor performance
4. Impact of pasture quality on lamb performance
Type of pasture Typical daily live weight gain, g
Poor quality grassland < 100
Medium quality permanent pasture 100
High quality grazed grass > 200
Silage aftermath 100 - 150
Autumn grass 70 - 150
Root crops for comparison 150 - 250
Lamb Finishing Systems: Options for Sheep Farms in Wales (2017)
5. Impact of internal parasites on performance
Modeling by Dave Notter, Virginia Tech, 2014
Parasitism has been
documented to cause a 10
to 20 percent reduction in
feed intake, with an
additional reduction in
nutrient digestibility,
metabolism, and
utilization. (Hart, 2019)
7. Seasonal and breed effects on performance, g/d
Virginia State University (Wildeus and O’Brien, 2019)
Breed Barbados Blackbelly St. Croix
ADG, g/d 89 100
Season of birth April August
ADG, g/d 73 115
Grazing period
Birth month
Dec 6- Jan 16 Jan 17-Feb 13 Feb 14-Mar 5 Mar 6-Mar 20
April 76 160 128 309
August 16 137 131 340
Grazing season Spring Summer Fall
Purebred 108 48 98
Crossbred 142 68 156
Both 126 59 126
8. Effect of supplementation
Virginia State University (Wildeus et al, 2017)
Supplementation period 0 21 42 63
ADG, g/d 51 64 101 128
Soy hulls @ 2% of BW
9. USDA ARS-ASFRC
Beaver, West Virginia
Alfalfa Red clover Orchardgrass
ADG, g/d 100 68 59
Performance of meat goats (n=72) grazing different forages (Turner et al, 2007)
Suffolk Katahdin Meat goat
No supplementation 91 82 32
Whole cottonseed @ 0.5% BW 145 91 54
Effects of supplemental feeding to lambs (n=72) and meat goats (n=36) (Turner et al, 2007)
Red clover Birdsfoot Trefoil Chicory
ADG, g/d 69 53 35
Performance of meat goats (n=72) grazing different legumes and forbs (Turner et al,
2017)
10. USDA ARS
Booneville, Arkansas
Effects of modest supplementation of fall born Katahdin lambs (n=72) (Wood et al, 2018)
No grain By product supplementation @ 0.5% BW
Year 1 110 137
Year 2 175 179
11. Supplementation of pasture-raised lambs, ADG (g/d)
The Ohio State University (Felix et al, 2012)
Experiment No supplement 2.5% DDGS 2.5% Soy Hulls Soy Hulls + P
1 132 249
2 100 222
3 95 222 191
4 104 227 200
312 Hampshire x Dorset lambs
18. Comparison of ram, wether, and short-scrotum rams
60 lambs in 2018
64 lambs in 2019
East Friesian x Lacaune
From a sheep dairy
Managed as a single group on pasture
Rotationally grazed among
five 2-acre paddocks + 2.5 ac
silvopasture
Lambs fed for moderate gain and finish
Supplemented with complete feed
(barley + SBM, 16% CP)
Hand fed twice daily
2-3% of body weight
2-3 lbs. per head per day
19. Rotational grazing, ~6 lambs/acre (April-August)
Spring oats Dwarf pearl millet
*Montana Meadow Brome, Tetraploid Perennial Ryegrass,
Freedom! Red Clover, Regalgraze Ladino Clover, and Forage
Chicory.
Pasture mix*
Mostly annual pastures in 2018; mostly perennials in 2019
20. Average daily gain, g/d
100
150
200
250
300
350
400
450
Low Avg High
150
230
320
250
350
430
2018 2019
22. Using whole grain to increase the profitability of
pasture-raised lamb
~80 weaned lambs
Half of lambs will graze
Other half will graze, but
receive supplemental feed
(whole barley).
15 lambs from each group
will be slaughtered to collect
carcass data and determine
fatty acid profile. Funded by Maryland Grain
Producers Utilization Board
(checkoff)
23. Final thoughts about rearing lambs/kids on pasture
Good management is needed regardless of method of
finishing.
Good quality pasture is necessary to finish lambs/kids.
Pastures have to be managed to minimize the risk of
parasites.
24. Final thoughts about rearing lambs/kids on pasture
If necessary, pasture diet should be supplemented to
improve nutrition and mitigate effects of internal parasites
(but needs to be cost effective).
Need to match finishing method to market.
Not all breeds are suited to pasture finishing (without
moderate supplementation).