1 Potential and limitations of by-product based feeding systems to mitigate green house gases for improved livestock productivity Blümmel M., Anandan S. Prasad C. S. 1 International Livestock Research Institute, c/o ICRISAT, Patancheru 502324, AP, India 2 National Institute of Animal Nutrition and Physiology, Bangalore 560030 India 3 Indian Council of Agricultural Research, Animal Science Division New Delhi-110 114. India 13 th Biennial Animal Nutrition Conference of the Animal Nutrition Society of India: Diversification of Animal Nutrition Research in the Changing Scenario Bangalore, India, 17-19 December 2009
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Potential and limitations of by-product based feeding systems to mitigate green house gases for improved livestock productivity
Presentation by M. Blümmel, S. Anandan, and C.S. Prasad to the 13th Biennial Animal Nutrition Conference of the Animal Nutrition Society of India: Diversification of Animal Nutrition Research in the Changing Scenario, Bangalore, India, 17-19 December 2009.
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Potential and limitations of by-product based feeding systems to mitigategreen house gases for improved
livestock productivityBlümmel M., Anandan S. Prasad C. S.
1 International Livestock Research Institute, c/o ICRISAT, Patancheru 502324, AP, India 2 National Institute of Animal Nutrition and Physiology, Bangalore 560030 India
3 Indian Council of Agricultural Research, Animal Science Division New Delhi-110 114. India
13th Biennial Animal Nutrition Conference of the Animal Nutrition Society of India: Diversification of Animal Nutrition Research in the Changing Scenario
Bangalore, India, 17-19 December 2009
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Part 1: By-products and feeding
Importance of by-products (basal diet) as
feed resource
Improvement of by-products at source (example:sorghum value chain)
Impact from improved by-products
Improvement of by-product based feeding throughprocessing
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Key feed sources in India: 2003 and 2020
Feed Resource %
Crop Residues
Planted fodder crops
2003 2020
44.2 69.0
34.1 ?
Greens (F/F/CPR/WL) 17.8 ?
Concentrates 3.9 7.3
(summarized from NIANP, 2005 and Ramachandra et al., 2007)
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Stover digestibility and grain yield in sorghum cultivars release-tested between
2002 and 2007
35 38 41 44 47 50 53 56 59 620
1000
2000
3000
4000
5000
6000
7000
Kharif: y = 321 + 70x; r = 0.2; P = 0.04Rabi: y = 8176 - 115x; r = -0.55; P < 0.0001
Stover in vitro organic digestibility (%)
Gra
in y
ield
(kg
/ha)
Blümmel et al. (2009)
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Sorghum stover trading in Hyderabad
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Relation between price of sorghum stover and in vitro digestibility
44 45 46 47 48 49 50 51 52 53 54 552.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2y = -4.9 + 0.17x; R2 = 0.75; P = 0.03
Stover in vitro digestibility (%)
Sto
ver
pri
ce (
IR/k
g D
M)
Premium Stover
Low Cost Stover
Blümmel and Parthasarathy, 2006
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Premium and lost cost sorghum digestibility (OMD), digestible intake (DOMI) and