sustainable agriculture - christoph wand - 21
TRANSCRIPT
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Sustainable Livestock
Need Sustainable Crops
2017 Eastern Ontario Crop Conference
Christoph Wand
OMAFRA Livestock Sustainability Specialist
@CtophWand
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Today:
• What is ‘Sustainability’?
• Sustainability initiatives in Agriculture
• An example of a sustainable farm (model)
• If time permits – ‘token crop content’
– annual forages
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Global Roundtable for Sustainable Beefwww.grsbeef.org
Canadian Roundtable for Sustainable Beefwww.crsb.ca
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Sustainable Agriculture Initiative (SAI)www.saiplatform.org
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Vision
The Canadian beef industry is recognized globally
to be economically viable, environmentally sound
and socially responsible.
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Sustainability Initiatives
Nick Betts
Christoph Wand
10 October 2016
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Motivation Continuum
…there are constraints
for our production
(biophysical, ecological,
economic, social).
…we need to better
communicate the
status quo.
We need to better, because…
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A definition of Sustainable Agriculture
"Sustainable agriculture is the efficient production of
safe, high quality agricultural products, in a way that
protects and improves the natural environment, the
social and economic conditions of farmers, their
employees and local communities, and safeguards the
health and welfare of all farmed species.”
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What is SAI Platform ?
Sustainable Agriculture Initiative
SAI Platform is the global initiative helping food and drink companies to achieve sustainable production and
sourcing of agricultural raw materials.
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Global Roundtable for Sustainable Beefwww.grsbeef.org
Canadian Roundtable for Sustainable Beefwww.crsb.ca
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Canadian Roundtable for Sustainable Crops
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1
3
About the CRSC
Vision:
The Canadian Grains sector is recognized globally to
be economically viable, socially responsible, and a
leader in the adoption of environmentally
sustainable production practices.
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C l i m a t e c h a n ge i m p a c t s
Ontario’s performance:
Better than the international average
Fully comparable to North American average
Source: MacLeod, M., Gerber, P., Mottet, a, Tempio, G., Falcucci, a, Opio, C., … Steinfeld, H. (2013). Greenhouse gas emissions from pig and chicken supply chains –A global life cycle assessment.
0
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World North America Ontario
kg C
O2
-eq
/ k
g C
W p
ork
Carbon footprint of industrial swine production
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The proAction® Initiative
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The Sustainable Farm and Food Initiative is being developed by a
coalition of Ontario farm organizations in collaboration with
representatives from the food and beverage sector, academia,
and non-government organizations.
The goal is to develop an understanding of the sector’s needs
through a consultation process that will include stakeholders
across the value chain. The long-term intent of the initiative is to
clarify and streamline sustainability initiatives by benchmarking
program equivalencies and harmonizing verification standards.
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Sustainability Initiatives
Nick Betts
Christoph Wand
10 October 2016
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Why Livestock? Animal Protein!
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Feed/Feeding is a Large Part
of Livestock Footprint
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Global Roundtable for Sustainable Beefwww.grsbeef.org
Canadian Roundtable for Sustainable Beefwww.crsb.ca
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Nutrient Use in Ecological System
Animal
Manure
Soil
Plant
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Nutrient Use – Agroecology
Animal
Manure
Soil
Plant / Feed
Fertilizer
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Nutrient Use – Two Site
Animal
Manure
Soil
Plant / Feed
Fertilizer
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Livestock Effects
via Dissociated Feed Production
• Reduction of forages in rotations (grains more
easily mechanized)
• Soil erosion
• Nutrient depletion and accumulation
• Reduced biodiversity
• GHGs (soil carbon oxidation, fuel, N fertilizer)
• Footprint per gram animal protein amplified as
characterized by feed conversion
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Presentation 2 Livestock Operations Rooted in
Sustainable Agronomics
Kassia (VanVeen) VandenBergLivestock Sustainability Outreach Project Lead
Undergraduate Student Experiential Learning Program
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Project Purpose
• Original question: what is the environmentally viable level and mix of livestock in Ontario? • Livestock production in tonnes of protein
• Provide thought-provoking basis for the answer
• Using a theoretical farm
• Come at it from two perspectives• Livestock feed requirements and manure output
• Ideal crop rotations and crop inputs
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Project Concept
• Represent Ontario by 1000 acres
• Land class
• Ideal crop rotation
• Yields, convert to feed (tonnes)
• Four livestock species
• Feed consumption/year (tonnes)
• Manure output (nutrient profile vs crop requirement)
• Bedding usage/species
• Measure livestock production in value of protein production for each species
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Model Farm Land Type
• GIS Data collection
• Categorized each county, chose top 90-100% ag productive land counties
• Essex, Lambton, Kent, Elgin, Perth, Middlesex, & Oxford
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Farm Layout
• 25% marginal land
• 70% agricultural productive land
• 5% environmentally sensitive land
1000 Acre Breakdown• Marginal Land: 250 acres
• Agriculture Productive Land: 700 acres
• Environmentally Sensitive Land: 50 acres
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Scaled Representation of “Model Farm”
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Environmentally Beneficial Rotation
• Fours year forage
• Prevent erosion
• Water filtration
• Soil health
• Nitrogen supply for next crop
• Increasing diversity C-S-W compared to C-C or C-S
• Increases average yields
• Assumed >3.5% organic matter
• Allow residue removal such as corn silage
fieldcropnews
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Crop Rotation
• 10 year cycle
• Corn Soy Wheat (cover crop)
• Forage Forage Forage Forage
• Corn Soy Wheat (cover crop)
jamesvalleyctc
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Agriculturally Productive Land
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Marginal Land & Total Acreage
• Planted 40% of 250 Marginal Land acres as forage
• Grazed by cattle
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Crop – Feed Linkages
• Convert each crop into tonnes
• Convert from tons to tonnes
• Standard bushel/tonne values•
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Beef - Cows• Dry cows barn fed Dec-April
• 2.5% of their body weight (1400 lbs - 635 kg)
• Lactating cows pasture fed May-Nov• including calf at side
• 5% of body weight (1400 lbs – 635 kg)
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Beef - Young Stock & Feedlot• Young stock fed same manner as cows
• 15-20% of cow numbers kept back
• Feedlot cattle on feed 145 days
• 2.25% of body weight consumed (1200 lbs – 545 kg)
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Beef Yearly Feed Consumption
• 1 cow, 0.2 young stock, and 0.8 feedlot
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Dairy
• Holstein cattle
• Dry cow diet
• 70% forage
• 30% corn silage
• Milking cow diet
• 60% forage
• 40% grain corn
• Heifers (25 months at calving)
• 70% forage
• 30% corn silage
Morning Ag Clips
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Dairy Yearly Feed Consumption
• 1 cow, and 0.8 heifers
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Poultry - Layers
• 4 stages of production (begin at 19 weeks)
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Poultry - Broilers
• 6 ½ turns/year, all in all out
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Swine Yearly Feed Consumption
• 1 sow and 23.25 piglets (wean till market)
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Meat Protein
• Dressing Percentage (DP)
• % of live animal as carcass
• Carcass Cutting Yield (CCY)
• % of carcass as meat
• Protein percentage of meat
ken’smeat
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Milk Protein
• 9238 kg milk/year per cow
• 3% protein
• 277.14 kg protein yearly per cow
Telegraph.co.uk
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Egg Protein
• 90% egg production
• 329 eggs per year
• 6 g protein per egg
• 1.971 kg protein yearly per layer
Telegraph.co.uk
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Pairing Monogastrics & Ruminants
• Primary focus maximizing forages
• Cannot maximize all feed with just pairs
• Protein production can be high with pairs despite crop usage
• Dairy & Swine, Beef & Broilers over 50 tonnes
• Need to maximize both values
• Groups of species
• Again, maximize forages first
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Beef & Broilers
• 170 beef cows
• 19, 250 broilers
• Protein: 51.605 tonnes
• Yield Usage• Silage Corn 55%
• Grain Corn 67%
• Soybean Meal 99.82%
• W.Wheat 55%
• Forages 96%
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Dairy & Swine
• 172 Dairy cows
• 10 Sows
• Protein: 53.12 tonnes
• Yield Usage• Silage Corn 62%
• Grain Corn 105%
• Soybean Meal 4.12%
• W.Wheat 5.7%
• Forages 61.5%
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Beef, Dairy & Broilers
• 120 Beef
• 70 Dairy
• 19,000 Broilers
• Protein: 66.97 tonnes
• Yield Usage• Silage Corn 64%
• Grain Corn 99.25%
• Soybean Meal 93.08%
• W.Wheat 49.1%
• Forages 93.42%
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Beef, Dairy & Broilers - 2
• 100 beef cows
• 120 dairy cows
• 8000 broilers
• Protein: 56.76 tonnes
• Yield Usage• Silage Corn 75.6%
• Grain Corn 99.51%
• Soybean Meal 44.8%
• W.Wheat 25.9%
• Forages 99.91%
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Beef, Dairy, Swine & Broilers
• 110 Beef cows
• 20 Sows
• 50 Dairy cows
• 17,250 Broilers
• Protein: 68.02 tonnes
• Yield Usage• Silage Corn 53.6%
• Grain Corn 99.1%
• Soybean Meal 92.8%
• W.Wheat 56.2%
• Forages 80.57%
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Protein Yield (Tonnes) by Systems Mix
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Return to Mixed Farming? Yes and No
• This model accepts economies of scale are still
required
• There are crop and feed budget interactions that
cannot be ignored
• Achievable in alternative models:
– Multi-enterprise large farms
– Via crop allocation among independent farmers
– Any system that gets forages on all soils in the rotation
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Today:
• What is ‘Sustainability’?
• Sustainability initiatives in Agriculture
• An example of a sustainable farm (model)
• If time permits – ‘token crop content’
– annual forages
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Dry Yield
(0%
Moisture)
Total Digestible Nutrients
(TDN)
Energy
Content
Energy Yield
Harvested
Crop - tonne/ha - % - tonne/ha -
Barley 1.2 b 76.6 a 0.88 b
Oats (120 kg/ha) 2.4 a 74.4 a 1.80 a
Oats (80 kg/ha) 2.3 a 74.3 a 1.75 a
Oats + Peas 2.2 a 74.8 a 1.64 a
se++ 0.22 8.9 160.3
Table 1. Cereal crop variety and seeding rate effects on average
yield and TDN content harvested at boot stage with 50 kg-N/ha at
the Elora and Woodstock research station trials that evaluated fall
harvested cereals in 2013 and 2014 (Adapted from Deen et al.,
unpublished 2016).
Note: Results for dry yields, energy content and energy yields with differing superscripts and different fill
colour are statistically different.
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Table 2. Cereal crop varieties in 2014 only, a year where plots included
triticale. Effects on average yield and TDN content harvested at boot
stage with 50 kg-N/ha at the Elora station evaluating fall harvested
cereals. (Adapted from Deen et al., unpublished 2016).
Crop
Dry Yield
(0% Moisture)
Total Digestible Nutrients (TDN)
Energy Content
Energy Yield
Harvested
- tonne/ha - % - tonne/ha -
Barley 1.3 d 76.7 a 0.99 d
Oats (120 kg/ha) 2.8 a,b 72.6 a 2.05 a,b
Oats (80 kg/ha) 2.9 a 73.5 a 2.15 a
Oats + Peas 2.5 b 73.5 a 1.86 b
Triticale 2.0 c 75.2 a 1.41 c
se++ 0.12 15.9 97.5
Note: Results for dry yields, energy content and energy yields with differing superscripts and different fill
colour are statistically different.
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Forage-After-Wheat Recipe:
80 kg per ha of oats seeded ASAP after wheat harvest
50 kg of N per ha
Pray for rain
Plan to harvest as silage by the end of October
Quality by maturity stage is not greatly affected by early
November, but likely will only make ‘boot’
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Stage Average
Date
Yield
(0%
Moisture)
Total Digestible Nutrients (TDN)
Crop Stage Content Harvested
All Head - T/ha - - % - - T/ha -
Rye Head June 3 4.0 c 68.6 a 2.740 b
Triticale (Fridge) Head June 16 4.8 ab 63.3 c 2.968 ab
Triticale (Pika) Head June 16 5.2 a 64.9 bc 3.335 a
Wheat Head June 16 4.3 bc 67.6 ab 2.877 b
Rye Head
Rye Head June 3 4.0 a 68.6 b 2.740 a
Triticale (Fridge) Boot June 5 2.7 b 75.5 a 2.033 b
Triticale (Pika) Boot June 5 2.9 b 76.3 a 2.218 b
Wheat Boot June 6 2.6 b 77.6 a 1.985 b
Rye Boot
Rye Boot May 29 3.0 a 74.4 b 2.206 a
Triticale (Fridge) Flag May 31 2.0 b 78.7 a 1.524 b
Triticale (Pika) Flag May 31 2.3 ab 77.6 ab 1.742 ab
Wheat Flag June 1 1.9 b 77.1 ab 1.440 b
Table 3. Average yield, total digestible nutrient content and the stage
of development of spring harvested cereals on similar harvest dates
at the research station trials (2014-2015). Fertilizer N rate applied
was 50 kg-N/ha. (Adapted from Deen et al., unpublished 2016).
Note: Results for dry yields, energy content and energy yields with differing superscripts and different fill
colour are statistically different.
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Advice to Producers: What can you do?
• Use nutrients and energy carefully
• Increase diversity in feed production and
improve field practices
– Crop rotation
• (eg Corn/Soy vs. Corn/Soy/Wheat/Forages)
– Advantageous timing of manures
• Assuming $$$ to be a proxy for carbon and
nutrients: be profitable!
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Pasture PasturePasture Pasture Pasture
Pasture Pasture Pasture
HayHay
Hay HayHay
Hay Hay
Hay
Other
OtherOther Other
Other
Other Other
Other
Wheat
Wheat WheatWheat
Wheat
Wheat Wheat
Wheat
Corn
CornCorn
Corn
Corn
CornCorn
Corn
SoybeansSoybeans
SoybeansSoybeans
SoybeansSoybeans Soybeans
Soybeans
0%
25%
50%
75%
100%
1976 1981 1986 1991 1996 2001 2006 2011
Perc
ent o
f Cro
plan
d +
Past
ure
Soybeans
Corn
Wheat
Other
Hay
Pasture
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Sustainable Livestock
Need Sustainable Crops
2017 Eastern Ontario Crop Conference
Christoph Wand
OMAFRA Livestock Sustainability Specialist
@CtophWand