Reference health
Environmental impact assessment of conventional and organic milk production
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7/7 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
22 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 7 checked references that resolve
resolves10.1016/S0959-6526(99)00311-X
Life cycle assessment of milk production — a comparison of conventional and organic farming
resolves10.3168/jds.S0022-0302(02)74425-1
Prediction of Ammonia Emission from Dairy Barns Using Feed Characteristics Part I: Relation Between Feed Characteristics and Urinary Urea Concentration
resolves10.1016/S0167-8809(00)00160-2
Comparing intensive, extensified and organic grassland farming in southern Germany by process life cycle assessment
resolves10.1023/A:1012602911339
Interactions and coupling between emissions of methane and nitrous oxide from animal husbandry
The 22 references without a DOI — listed, not checked
no DOI — not checkedAnonymous, 1999a. Manure and the Environment. The Dutch approach to reduce the mineral surplus and ammonia volatilisation. Ministry of Agriculture, Nature Management and Fisheries. The Hague, The Netherlands.
no DOI — not checkedAnonymous, 1999b. Council Regulation (EC) No 1804/1999 of 19 July 1999 supplementing Regulation (EEC) No 2092/91 on organic production of agricultural products and indications referring there to on agricultural products and foodstuffs to include livestock production. Official Journal of the European Communities, L 203, 53–57, Brussels, Belgium.
no DOI — not checkedAudsley, E., Alber, S., Clift, R., Cowell, S., Crettaz, P., Gaillard, G., Hausheer, J., Jolliet, O., Kleijn, R., Mortensen, B., Pearce, D., Roger, E., Teulon, H., Weidema, B., van Zeijts, H., 1997. Harmonisation of Environmental Life Cycle Assessment for Agriculture. Final Report, Concerted Action AIR3-CT94-2028, European Commission DG VI, Brussels, Belgium.
no DOI — not checkedCederberg, C., 1998. Life Cycle Assessment of Milk Production—A Comparison of Conventional and Organic Farming. SIK-report, no. 643, SIK, The Swedish Institute for Food and Biotechnology, Göteborg.
no DOI — not checkedCederberg, C., Dalerius, K., 2000. Life Cycle Assessment of Cattle Meat—a Study of Different Production Systems. Naturresursforum Landstinget Halland, Sweden.
no DOI — not checkedCederberg, C., Dalerius, K., 2001. Life Cycle Assessment of Pig Meat. Naturresursforum Landstinget Halland, Sweden.
no DOI — not checked10.1016/S0301-6226(02)00322-6_BIB8
no DOI — not checked10.1016/S0301-6226(02)00322-6_BIB9
no DOI — not checkedMethane from animals and animal waste
no DOI — not checkedDavis, R., 1990. EC 90-2502, Perspectives on nitrates, Chapter 4—Nitrates, nitrites and methemoglobinemia. University of Nebraska Co-operative Extension, Lincoln, NE.
no DOI — not checkedEnergy use and methods for reduction
no DOI — not checked10.1016/S0301-6226(02)00322-6_BIB16
no DOI — not checkedIepema, G., Pijnenburg, J., 2001. Conventional versus Organic Dairy Farming. A Comparison of three Experimental Farms on Environmental Impact, Animal Health and Animal Welfare. MSc thesis Animal Production Systems Group, Wageningen University, Wageningen, The Netherlands.
no DOI — not checkedIPCC, 2001. Climate change 2001: The Scientific Basis. Contribution of working group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press, UK.
no DOI — not checkedLekkerkerk, L.J.A., Heij, G.J., Hootsmans, M.J.M., 1995. Ammonia: the facts. Report no. 300-06 Dutch priority program on acidification [In Dutch], RIVM, Bilthoven, The Netherlands.
no DOI — not checkedBilanzen uber die gesamten Lebenswege
no DOI — not checkedBasic concepts of eutrophication
no DOI — not checkedVan Dijk, A., 2001. Life Cycle Assessment of conventional and organic pig production in the Netherlands. MSc thesis Animal Production Systems group, Wageningen University, Wageningen, The Netherlands.
no DOI — not checkedVan Koppen, C.S.A., Meeusen, M.J.G., 2001. LCA as a tool to innovate agricultural chains. Report of a project of the knowledge unit man and society of Wageningen University and Research Centre. Agricultural Economics Research Institute, The Hague, The Netherlands.
no DOI — not checkedWegener Sleeswijk, A., Kleijn, R., Van Zeijts, H., Reus, J.A.W.A., Meeusen Van Onna, M.J.G., Leneman, H., Sengers, H.H.W.J.M., 1996. Application of LCA to agricultural products. Report 130, Centre of Environmental Science, Leiden University, Leiden, The Netherlands.
no DOI — not checkedWeidema, B.P., Morteson, B., Nielsen, P, Hauschild, M., 1996. Elements of an impact assessment of wheat production. Institute for Product development, Technical University of Denmark, Denmark.
no DOI — not checkedEvaluation of several methane producing equations for dairy cows
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