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Limiting livestock ...
Limiting livestock production to pasture and by-products in a search for sustainable diets
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- Röös, Elin (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för energi och teknik,Department of Energy and Technology
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- Lindberg, Mikaela (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjurens utfodring och vård (HUV),Department of Animal Nutrition and Management
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- Spångberg, Johanna (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för energi och teknik,Department of Energy and Technology
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- Carlsson, Georg (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Biosystem och teknologi,Department of Biosystems and Technology
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- Rydhmer, Lotta (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för husdjursgenetik (HGEN),Department of Animal Breeding and Genetics
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(creator_code:org_t)
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- Elsevier BV, 2016
- 2016
- Engelska.
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Ingår i: Food Policy. - : Elsevier BV. - 0306-9192 .- 1873-5657. ; 58, s. 1-13
- Relaterad länk:
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https://pub.epsilon.... (primary) (Raw object) (free)
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https://doi.org/10.1...
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A method was developed for designing ‘fair’ diets (not using more than globally available arable land percapita) and for assessing the sustainability of such diets. The diets were based on the principle of ‘ecological leftovers’ for livestock production, i.e. raising livestock on pasture and by-products not suitable for or wanted by humans. The method was applied to Sweden using three different scenarios for livestock production, all taking the starting point that semi-natural pastures should be grazed by ruminants for reasons of biodiversity conservation. The scenarios also included differing use of by-products (from crop production and food processing) to either boost milk production (I-Milk scenario) or produce eggs and pig meat (E-Milk and Suckler scenarios). In I-Milk, milk and meat were produced in intensive systems in which dairy cows and their offspring only grazed to a limited extent, resulting in the human diet containing recommended levels of dairy products (350 ml milk per day) and meat twice a week. Milk could also be exported. In E-Milk, pasture was used more for dairy cows and their offspring, resulting in fewer animals and less milk (150 ml milk per day) and four servings of meat per week. In the Suckler scenario, pasture was grazed by suckler herds providing no milk but meat four times per week. The environmental impacts of the diets were assessed using the planetary boundaries framework. The results showed substantially lower environmental impacts compared with the average current Swedish diet, but the strict absolute climate boundary and the N and P input boundaries were still exceeded for all diets. The approach adopted, of letting the ecological resource capacity act as the constraining factor for livestock production, is in line with agroecology principles and efficient use of land to improve food security,and could be useful in discussions about sustainable consumption of animal products.
Ämnesord
- LANTBRUKSVETENSKAPER -- Husdjursvetenskap -- Husdjursvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Animal and Dairy Sience -- Animal and Dairy Science. (hsv//eng)
- LANTBRUKSVETENSKAPER -- Bioteknologi med applikationer på växter och djur -- Genetik och förädling inom lantbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agricultural Biotechnology -- Genetics and Breeding in Agricultural Sciences (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
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