Willer H & Kilcher L (2011) The World of Organic Agriculture. Statistics and Emerging Trends 2011. FiBL-IFOAM Report. Rheinbreitbach, Germany: IFOAM, Bonn and FiBL, Frick.
Yiridoe EK, Bonti-Ankomah S & Martin RC (2005) Comparison of consumer perceptions and preference toward organic versus conventionally produced foods: a review and update of the literature. Renew Agric Food Syst
Oughton E & Ritson C (2007) Food consumers and organic agriculture. In Handbook of Organic Food Quality and Safety, pp. 74–94 [J Cooper, U Niggli and C Leifert, editors]. Cambridge: Woodhouse Publishing Ltd.
Dangour AD, Dodhia SK, Hayter A, et al. (2009) Nutritional quality of organic foods: a systematic review. Am J Clin Nutr
Brandt K, Leifert C, Sanderson R, et al. (2011) Agroecosystem management and nutritional quality of plant foods: the case of organic fruits and vegetables. Crit Rev Plant Sci
Cooper J, Niggli U & Leifert C (2007) Handbook of Organic Food Safety and Quality. Cambridge: CRC Press.
Williams P (2007) Nutritional composition of red meat. Nutr Diet
Palupi E, Jayanegara A, Ploeger A, et al. (2012) Comparison of nutritional quality between conventional and organic dairy products: a meta-analysis. J Sci Food Agric
Smith-Spangler C, Brandeau ML, Hunter GE, et al. (2012) Are organic foods safer or healthier than conventional alternatives? A systematic review. Ann Intern Med
Hu FB, Manson JE & Willett WC (2001) Types of dietary fat and risk of coronary heart disease: a critical review. J Am Coll Nutr
Parodi PW (2009) Has the association between saturated fatty acids, serum cholesterol and coronary heart disease been over emphasized?
Int Dairy J
German JB, Gibson RA, Krauss RM, et al. (2009) A reappraisal of the impact of dairy foods and milk fat on cardiovascular disease risk. Eur J Nutr
Kliem KE & Givens DI (2011) Dairy products in the food chain: their impact on health. Annu Rev Food Sci Technol
Sun Q, Ma J, Campos H, et al. (2007) Plasma and erythrocyte biomarkers of dairy fat intake and risk of ischemic heart disease. Am J Clin Nutr
Wijendran V & Hayes KC (2004) Dietary n-6 and n-3 fatty acid balance and cardiovascular health. Annu Rev Nutr
Simopoulos AP & Cleland LG (editors) (2003) Omega-6/omega-3 Essential Fatty Acid Ratio: The Scientific Evidence. Basel, Switzerland: Karger.
Givens DI & Gibbs RA (2008) Current intakes of EPA and DHA in European populations and the potential of animal-derived foods to increase them. Proc Nutr Soc
Blasbalg TL, Hibbeln JR, Ramsden CE, et al. (2011) Changes in consumption of omega-3 and omega-6 fatty acids in the United States during the 20th century. Am J Clin Nutr
Ulbricht TL & Southgate DA (1991) Coronary heart disease: seven dietary factors. Lancet
Calder PC (2015) Marine omega-3 fatty acids and inflammatory processes: effects, mechanisms and clinical relevance. Biochim Biophys Acta
European Food Safety Authority (2010) Scientific opinion on dietary reference values for fats, including saturated fatty acids, polyunsaturated fatty acids, monounsaturated fatty acids, trans fatty acids, and cholesterol. EFSA J
Massiera F, Barbry P, Guesnet P, et al. (2010) A western-like fat diet is sufficient to induce a gradual enhancement in fat mass over generations. J Lipid Res
Ryan AS, Astwood JD, Gautier S, et al. (2010) Effects of long-chain polyunsaturated fatty acid supplementation on neurodevelopment in childhood: a review of human studies. Prostaglandins Leukot Essent Fatty Acids
Emken EA, Adlof RO & Gulley RM (1994) Dietary linoleic acid influences desaturation and acylation of deuterium-labelled linoleic and linolenic acids in young adult males. Biochim Biophys Acta
Barański M, Średnicka-Tober D, Volakakis N, et al. (2014) Higher antioxidant and lower cadmium concentrations and lower incidence of pesticide residues in organically grown crops: a systematic literature review and meta-analyses. Br J Nutr
Franci O, Bozzi R, Pugliese C, et al. (2005) Performance of Cinta Senese pigs and their crosses with Large White. 1 Muscle and subcutaneous fat characteristics. Meat Sci
Nantapo CTW, Muchenje V & Hugo A (2014) Atherogenicity index and health-related fatty acids in different stages of lactation from Friesian, Jersey and Friesian×Jersey cross cow milk under a pasture-based dairy system. Food Chem
Brandt K, Średnicka-Tober D, Barański M, et al. (2013) Methods for comparing data across differently designed agronomic studies: examples of different meta-analysis methods used to compare relative composition of plant foods grown using organic or conventional production methods, and a protocol for a systematic review. J Agric Food Chem
Stewart G (2010) Meta-analysis in applied ecology. Biol Lett
Koricheva J & Gurevitch J (2013) Place of meta-analysis among other methods of research synthesis. In Handbook of Meta-Analysis in Ecology and Evolution, pp. 3–13 [J Koricheva, J Gurevitch and K Mengersen, editors]. Princeton, NJ: Princeton University Press.
Hallmann E & Rembialkowska E (2006) Antioxidant compounds content in selected onion bulbs from organic and conventional cultivation. J Res Appl Agric Eng
Viechtbauer W (2010) Conducting meta-analyses in R with the metafor package. J Stat Softw
Hedges LV & Olkin I (1985) Statistical Methods for Meta-Analysis. San Diego, CA: Academic Press.
Sanchez-Meca J & Marin-Martinez F (2010) Meta-analysis. In International Encyclopedia of Education, 3rd ed. pp. 274–282 [P Peterson, E Baker and B McGaw, editors]. Amsterdam: Elsevier.
Lipsey MW & Wilson DB (2001) Practical Meta-Analysis. Applied Social Research Methods Series. Thousand Oaks, CA: Sage Publications.
Hedges LV, Gurevitch J & Curtis PS (1999) The meta-analysis of response ratios in experimental ecology. Ecology
Mengersen K, Schmidt C, Jennions M, et al. (2013) Statistical models and approaches to inference. In Handbook of Meta-Analysis in Ecology and Evolution, pp. 89–107 [J Koricheva, J Gurevitch and K Mengersen, editors]. Princeton, NJ: Princeton University Press.
Rothstein HR, Sutton AJ & Borenstein M (2006) Publication bias in meta-analysis. In Publication Bias in Meta-Analysis: Prevention, Assessment and Adjustments, pp. 1–7 [HR Rothstein, AJ Sutton and M Borenstein, editors]. Chichester: John Wiley & Sons, Ltd.
Gurevitch J & Hedges LV (1999) Statistical issues in ecological meta-analyses. Ecology
Manly BFJ (2001) Randomization, Bootstrap and Monte Carlo Methods in Biology, 2nd ed. New York: Chapman and Hall.
Guyatt GH, Oxman AD, Vist GE, et al. (2008) GRADE: an emerging consensus on rating quality of evidence and strength of recommendations. BMJ
FAOstat (2011) Food supply – livestock and fish primary equivalent dataset. Fat supply quantity. http://www.faostat3.fao.org (accessed June 2015).
Fisher AV, Enser M, Richardson RI, et al. (2000) Fatty acid composition and eating quality of lamb types derived from four diverse breed x production systems. Meat Sci
Nuernberg K, Dannenberger D, Nuernberg G, et al. (2005) Effect of a grass-based and a concentrate feeding system on meat quality characteristics and fatty acid composition of longissimus muscle in different cattle breeds. Livest Prod Sci
Nilzen V, Babol J, Dutta PC, et al. (2001) Free range rearing of pigs with access to pasture grazing-effect on fatty acid composition and lipid oxidation products. Meat Sci
Hirt H & Zeltner E (2007) Effects of organic husbandry methods and feeding regimes on poultry quality. In Handbook of Organic Food Quality and Safety, pp. 117–143 [J Cooper, U Niggli and C Leifert, editors]. Cambridge: Woodhouse Publishing Ltd.
Sundrum A (2007) Quality in organic, low-input and conventional pig production. In Handbook of Organic Food Quality and Safety, pp. 144–177 [J Cooper, U Niggli and C Leifert, editors]. Cambridge: Woodhouse Publishing Ltd.
Kamihiro S, Stergiadis S, Leifert C, et al. (2015) Meat quality and health implications of organic and conventional beef production. Meat Sci
European Council (2007) Council Regulation (EC) No 834/2007 of 28 June 2007 on organic production and labelling of organic products and repealing Regulation (EEC) No 2092/91. In Official Journal of the European Communities, L 189, pp. 1–23. Brussels, Belgium.
European Commission (2008) Commission Regulation (EC) No 889/2008 of 5 September 2008 laying down detailed rules for the implementation of Council Regulation (EC) No 834/2007 on organic production and labelling of organic products with regard to organic production, labelling and control. In Official Journal of the European Communities, L 250, pp. 1–84. Brussels, Belgium.
European Commission (2014) Commission Implementing Regulation (EU) No 836/2014 of 31 July 2014 amending Regulation (EC) No 889/2008 laying down detailed rules for the implementation of Council Regulation (EC) No 834/2007 on organic production and labelling of organic products with regard to organic production, labelling and control. In Official Journal of the European Communities, L 230, pp. 10–11. Brussels, Belgium.
Butler G, Nielsen JH, Larsen MK, et al. (2011) The effects of dairy management and processing on quality characteristics of milk and dairy products. NJAS Wagening J Life Sci
Bouwman AF, Van der Hoek KW, Eickhout B, et al. (2005) Exploring changes in world ruminant production systems. Agric Syst
Bruinsma J (editor) (2003) World Agriculture Towards 2015/2030: An FAO Perspective. London: Earthscan Publications Ltd.
Soil Association (2010) Feeding Animals that Feeds Us. Bristol: Soil Association.
Butler G, Collomb M, Rehberger B, et al. (2009) Conjugated linoleic acid isomer concentrations in milk from high- and low-input management dairy systems. J Sci Food Agric
Butler G (2014) Manipulating dietary PUFA in animal feed: implications for human health. Proc Nutr Soc
Fraser MD, Speijers MHM, Theobald VJ, et al. (2004) Production performance and meat quality of grazing lambs finished on red clover, lucerne or perennial ryegrass swards. Grass Forage Sci
Cooper J, Sanderson R, Cakmak I, et al. (2011) Effect of organic and conventional crop rotation, fertilization, and crop protection practices on metal contents in wheat (Triticum aestivum). J Agric Food Chem
Kleinbeck SN & McGlone JJ (1999) Intensive indoor versus outdoor swine production systems: genotype and supplemental iron effects on blood hemoglobin and selected immune measures in young pigs. J Anim Sci
Blanco-Penedo I, Shore RF, Miranda M, et al. (2009) Factors affecting trace element status in calves in NW Spain. Livest Sci
Daniel CR, Cross AJ, Koebnick C, et al. (2011) Trends in meat consumption in the United States. Public Health Nutr
Raatz SK, Silverstein JT, Jahns L, et al. (2013) Issues of fish consumption for cardiovascular disease risk reduction. Nutrients
Kummeling I, Thijs C, Huber M, et al. (2008) Consumption of organic foods and risk of atopic disease during the first 2 years of life in the Netherlands. Br J Nutr
Calder PC, Kremmyda L-S, Vlachava M, et al. (2010) Is there a role for fatty acids in early life programming of the immune system?
Proc Nutr Soc
van den Elsen LWJ, van Esch BCAM, Hofman GA, et al. (2013) Dietary long chain n-3 polyunsaturated fatty acids prevent allergic sensitization to cow’s milk protein in mice. Clin Exp Allergy
Childs CE, Romeu-Nadal M, Burdge GC, et al. (2008) Gender differences in the n-3 fatty acid content of tissues. Proc Nutr Soc
Williams CM & Burdge G (2006) Long-chain n-3 PUFA: plant v. marine sources. Proc Nutr Soc
Brenna JT, Salem N Jr, Sinclair AJ, et al. (2009) alpha-Linolenic acid supplementation and conversion to n-3 long-chain polyunsaturated fatty acids in humans. Prostaglandins Leukot Essent Fatty Acids
Welch AA, Shrestha SS, Lentjes MAH, et al. (2010) Dietary intake and status of n-3 polyunsaturated fatty acids in a population of fish-eating and non-fish-eating meat-eaters, vegetarians, and vegans and the precursor-product ratio of alpha-linolenic acid to long-chain n-3 polyunsaturated fatty acids results from the EPIC-Norfolk cohort. Am J Clin Nutr
Burdge GC & Calder PC (2005) Conversion of alpha-linolenic acid to longer-chain polyunsaturated fatty acids in human adults. Reprod Nutr Dev
Henderson L, Gregory J & Swan G (2002) The National Diet and Nutrition Survey: Adults Aged 19 to 64 Years. Volume 1: Types and Quantities of Foods Consumed. London: TSO.
Mushtaq S, Mangiapane EH & Hunter KA (2010) Estimation of cis-9, trans-11 conjugated linoleic acid content in UK foods and assessment of dietary intake in a cohort of healthy adults. Br J Nutr
Kato T, Kolenic N & Pardini RS (2007) Docosahexaenoic acid (DHA), a primary tumor suppressive omega-3 fatty acid, inhibits growth of colorectal cancer independent of p53 mutational status. Nutr Cancer
Pereira PM & Vicente AF (2013) Meat nutritional composition and nutritive role in the human diet. Meat Sci
McAfee AJ, McSorley EM, Cuskelly GJ, et al. (2011) Red meat from animals offered a grass diet increases plasma and platelet n-3 PUFA in healthy consumers. Br J Nutr
Pan A, Sun Q, et al. (2012) Red meat consumption and mortality: results from 2 prospective cohort studies. Arch Intern Med