Multidimensional crop improvement to increase overall productivity in mixed crop- livestock systems and to support intensification of livestock Michael Blümmel, Purvi Mehta and Iain A. Wright Norman Borlaug Centenary Dialogue, Chennai, India 13-15 March 2014
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Multidimensional crop improvement to increase overall productivity in mixed crop-livestock systems and to support intensification of livestock
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Multidimensional crop improvement to increase overall productivity in mixed crop-livestock systems and to support intensification of
livestockMichael Blümmel, Purvi Mehta and Iain A. Wright
Norman Borlaug Centenary Dialogue, Chennai, India 13-15 March 2014
Topics
2
Importance of crop residues as feed resource:
contribution, demand, monetary value
What differences/quality increments in crop residue fodder quality matter, and why
Exploitable variation in fodder traits in existingcultivars
Targeted genetic enhancement in fodder traits
Feed and intensification of dairy production
Dual-purpose crops: demand, value and exploiting existing
variations
3
4
Key feed sources in India: 2003and 2020
Feed Resource %
Crop ResiduesPlanted fodder crops
2003 2020
44.2 69.0 34.1 ?
Greens (F/F/CPR/WL) 17.8 <10
Concentrates 3.9 7.3
(summarized from NIANP, 2005 and Ramachandra et al., 2007)
Sorghum stover trading in Hyderabad
5
Nov Dec Jan Feb Mar Apr May Ju Jul Aug Sep Oc Nov0
2
4
6
8
10
12
14
Sorghum grain
Sorghum stover
3.4
6.5
Month of trading
Ind
ian
Ru
pee
per
kg
Yearly mean
2004 to 2005
Nov Dec Jan Feb Mar Apr May Ju Jul Aug Sep Oc Nov0
2
4
6
8
10
12
14
Sorghum stoverSorghum grain
6.2
10.2
Yearly mean
2008 to 2009
Month of trading
Comparisions of average cost of dry sorghum stover traded in Hyderabad and average of cost ofsorghum grain in Andhra Pradesh 2005 to 2005 and 2008 to 2009
Changes in grain: stover value in sorghum traded in Hyderabad from 2004 to 2009
Type and cost of sorghum stover traded monthly 2004-2005 in Hyderabad, India
Stover type Price IR / kg DM
Andhra 3.52b
Andhra Hybrid 3.15cd
Ballary Hybrid 3.54b
Raichur 3.89a
Rayalaseema 3.23c
Telangana (Local Y) 3.06d
7Blümmel and Parthasarathy, 2006
Relation between digestibility and price of sorghum stover
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“Raichur”
Low Cost Stover“Local Yellow”
Blümmel and Parthasarathy, 2006
9
Large scale rice strawtrading in Bihar, India
Chopping and retailing ofrice straw in Bihar, India
Price: quality relation estimates in rice straw traded monthly in Kolkata from 2008 to 2009