The net contribution of livestock to the supply of human edible protein: the case of Ireland
If current food consumption patterns continue, the agriculture sector must provide significantly more food in the coming years from the available land area. Some livestock systems engage in feed–food competition as arable land is used for livestock feed rather than as crops for food; reducing the gl...
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| Veröffentlicht in: | The Journal of agricultural science 2021-07, Vol.159 (5-6), p.463-471, Article 0021859621000642 |
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| container_title | The Journal of agricultural science |
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| creator | Hennessy, D. P. Shalloo, L. van Zanten, H. H. E. Schop, M. De Boer, I. J. M. |
| description | If current food consumption patterns continue, the agriculture sector must provide significantly more food in the coming years from the available land area. Some livestock systems engage in feed–food competition as arable land is used for livestock feed rather than as crops for food; reducing the global supply of food. There is a growing argument that to meet future-food demands sustainably, feed–food competition must be minimized. To this end, we evaluated the effectiveness of two refined metrics to quantify feed–food competition in three livestock systems; dairy and its beef, suckler beef and pig production in Ireland. The metrics are edible protein conversion ratio (EPCR) and the land-use ratio (LUR). The EPCR compares the amount of human digestible protein (HDP) in livestock feed against the amount of HDP the livestock produced, calculating how efficiently it produces HDP. However, the LUR compares the potential HDP from a crop system on the land used to produce the livestock's feed against the HDP the livestock system produced. In both metrics, a value |
| doi_str_mv | 10.1017/S0021859621000642 |
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P. ; Shalloo, L. ; van Zanten, H. H. E. ; Schop, M. ; De Boer, I. J. M.</creator><creatorcontrib>Hennessy, D. P. ; Shalloo, L. ; van Zanten, H. H. E. ; Schop, M. ; De Boer, I. J. M.</creatorcontrib><description>If current food consumption patterns continue, the agriculture sector must provide significantly more food in the coming years from the available land area. Some livestock systems engage in feed–food competition as arable land is used for livestock feed rather than as crops for food; reducing the global supply of food. There is a growing argument that to meet future-food demands sustainably, feed–food competition must be minimized. To this end, we evaluated the effectiveness of two refined metrics to quantify feed–food competition in three livestock systems; dairy and its beef, suckler beef and pig production in Ireland. The metrics are edible protein conversion ratio (EPCR) and the land-use ratio (LUR). The EPCR compares the amount of human digestible protein (HDP) in livestock feed against the amount of HDP the livestock produced, calculating how efficiently it produces HDP. However, the LUR compares the potential HDP from a crop system on the land used to produce the livestock's feed against the HDP the livestock system produced. In both metrics, a value <1 demonstrates an efficient system. The EPCR values for dairy beef (0.22) and suckler beef (0.29) systems consider them efficient producers, whereas pig production (1.51) is inefficient. The LUR values designate that only the dairy beef (0.58) is a net positive producer of HDP from the land used for its feed, with crop production producing more HDP than suckler beef (1.34) and pig production (1.73). Consequently, the LUR can be deemed to be more suitable to represent feed–food competition in livestock production.</description><identifier>ISSN: 0021-8596</identifier><identifier>EISSN: 1469-5146</identifier><identifier>DOI: 10.1017/S0021859621000642</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Agricultural land ; Agriculture ; Agriculture, Multidisciplinary ; Amino acids ; Animal Research Paper ; Arable land ; Beef ; By products ; Case studies ; Competition ; Consumption patterns ; Conversion ratio ; Corn ; Crop production ; Crops ; Dairy products ; Environmental impact ; Farms ; Feeds ; Food ; Food consumption ; Food quality ; Food supply ; Land use ; Life Sciences & Biomedicine ; Livestock ; Livestock feed ; Livestock feeds ; Livestock production ; Milk ; Mortality ; Proteins ; Science & Technology ; Swine production</subject><ispartof>The Journal of agricultural science, 2021-07, Vol.159 (5-6), p.463-471, Article 0021859621000642</ispartof><rights>Copyright © The Author(s), 2021. 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To this end, we evaluated the effectiveness of two refined metrics to quantify feed–food competition in three livestock systems; dairy and its beef, suckler beef and pig production in Ireland. The metrics are edible protein conversion ratio (EPCR) and the land-use ratio (LUR). The EPCR compares the amount of human digestible protein (HDP) in livestock feed against the amount of HDP the livestock produced, calculating how efficiently it produces HDP. However, the LUR compares the potential HDP from a crop system on the land used to produce the livestock's feed against the HDP the livestock system produced. In both metrics, a value <1 demonstrates an efficient system. The EPCR values for dairy beef (0.22) and suckler beef (0.29) systems consider them efficient producers, whereas pig production (1.51) is inefficient. The LUR values designate that only the dairy beef (0.58) is a net positive producer of HDP from the land used for its feed, with crop production producing more HDP than suckler beef (1.34) and pig production (1.73). 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P.</au><au>Shalloo, L.</au><au>van Zanten, H. H. E.</au><au>Schop, M.</au><au>De Boer, I. J. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The net contribution of livestock to the supply of human edible protein: the case of Ireland</atitle><jtitle>The Journal of agricultural science</jtitle><stitle>J AGR SCI-CAMBRIDGE</stitle><addtitle>J. Agric. Sci</addtitle><date>2021-07-01</date><risdate>2021</risdate><volume>159</volume><issue>5-6</issue><spage>463</spage><epage>471</epage><pages>463-471</pages><artnum>0021859621000642</artnum><issn>0021-8596</issn><eissn>1469-5146</eissn><abstract>If current food consumption patterns continue, the agriculture sector must provide significantly more food in the coming years from the available land area. Some livestock systems engage in feed–food competition as arable land is used for livestock feed rather than as crops for food; reducing the global supply of food. There is a growing argument that to meet future-food demands sustainably, feed–food competition must be minimized. To this end, we evaluated the effectiveness of two refined metrics to quantify feed–food competition in three livestock systems; dairy and its beef, suckler beef and pig production in Ireland. The metrics are edible protein conversion ratio (EPCR) and the land-use ratio (LUR). The EPCR compares the amount of human digestible protein (HDP) in livestock feed against the amount of HDP the livestock produced, calculating how efficiently it produces HDP. However, the LUR compares the potential HDP from a crop system on the land used to produce the livestock's feed against the HDP the livestock system produced. In both metrics, a value <1 demonstrates an efficient system. The EPCR values for dairy beef (0.22) and suckler beef (0.29) systems consider them efficient producers, whereas pig production (1.51) is inefficient. 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| subjects | Agricultural land Agriculture Agriculture, Multidisciplinary Amino acids Animal Research Paper Arable land Beef By products Case studies Competition Consumption patterns Conversion ratio Corn Crop production Crops Dairy products Environmental impact Farms Feeds Food Food consumption Food quality Food supply Land use Life Sciences & Biomedicine Livestock Livestock feed Livestock feeds Livestock production Milk Mortality Proteins Science & Technology Swine production |
| title | The net contribution of livestock to the supply of human edible protein: the case of Ireland |
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