Structured interviews

Alonso-Spilsbury M, Mayagoitia NL, Mota RD. Conducta del cerdo Pelón Mexicano en condiciones agro-silvo-pastoriles. Porcicultores y su Entorno. 1998; 1: 4-8.

Alonso-Spilsbury M. Etología aplicada en los porcinos. En: Etología Aplicada, Galindo F y Orihuela A (Ed). UNAM, México. 2004: 181-218.

Anaya-Bretón MDM. Importancia de invertir en la producción orgánica en México, 1996-2006. (tesis de licenciatura). México, D. F. Universidad Nacional Autónoma de México. Facultad de Estudios Superiores Aragón. 2008. 148 pp.

39

Andersen IL, Bøe KE, Kristiansen AL. The influence of different feeding arrangements and food type on competition at feeding in pregnant sow. Applied Animal Behaviour Science. 1999; 65: 91-104.

Appleby MC. Life in a variable world: behaviour, welfare and environmental design. Applied Animal Behaviour Science. 1997; 54: 1-19.

Arey DS. Straw and food as reinforcers for prepartal sows. Applied Animal Behaviour Science. 1992; 33: 217-226.

Arteaga-Castañeda ML, Martínez-Gómez M, Guevara-Guzmán R, Hudson R. Comunicación química en mamíferos domésticos. Veterinaria México. 2007; 38: 105-123.

Bach KKE. Influence of feed and feed structure on disease and welfare of pigs. The 4th NAHWOA Workshop Breeding and feeding for animal health and welfare in organic livestock systems, 24-27 March, 2001 Wageningen Netherlands, (Consultado 9 septiembre 2008) Available from URL http://www.veeru.reading.ac.uk/organic/FINALProceedingsEdited.pdf

Barragán HEA. Participación de los sistemas de producción animal en el equilibrio ecológico. En Castro MI, editor. Examen general de calidad profesional, para medicina veterinaria y zootecnia, material de estudios: Área porcinos. Jaiser editores. 1999. 189-212.

Baumgartner J, Leeb T, Gruber T, Tiefenbacher R. Husbandry and Animal Health on Organic Pig Farms in Austria. Animal Welfare. 2003; 12: 631-635.

Boelling D, Groen AF, Sørensen P, Madsen P, Jensen J. Genetic improvement of livestock for organic farming systems. Livestock Production Science. 2003; 80: 79-88.

Bøe K. The process of weaning: when the sow decides. Applied Animal Behaviour Science. 1991; 30: 47-59.

Bonilla PM. Proyecto de código de prácticas para la producción orgánica de alimentos de origen animal: estudio recapitulativo (tesis de licenciatura). México DF. UNAM FMVZ, 2002. Briones F. Los animales y la homeopatía. Teoría y experiencia. Dilema. Madrid. 2006. Broom DM. Indicators of poor welfare. British Veterinary Journal. 1986; 142: 524-526. Broom DM. Welfare evaluation. Applied Animal Behaviour Science. 1997; 54: 21-23.

40

Broom DM. Bienestar Animal. En: Etología Aplicada, Galindo F y Orihuela A (Ed). UNAM, México. 2004: 51-87.

Broom DM. Johnson KG. Stress and animal welfare. First ed. London. Chapman & Hall, 1993. Carmona BJM. Dónde están las tonsilas. (Consultado 19 noviembre 2008) Available from URL http://www.3tres3iberico.com/sanidad/%C2%BFdonde-estan-las-tonsilas_56/ 2008.

Clutton-Brock J. 1987. Man-made animals: pigs. In: A Natural History of Domesticated Mammals. Cambridge University Press, Cambridge, UK, 1987. pp. 70–77.

Copado F, Aluja AS de, Mayagoitia L, Galindo F. The behaviour of free ranging pigs in the Mexican tropics and its relationships with human faeces consumption. Applied Animal Behaviour Science. 2004; 88: 243–252.

D'Huyvetter K, Cohrssen A. Homeopathy. Primary Care: Clinics in Office Practice. 2002; 29: 407-418.

Dalmau A, Llonch P, Velarde A. Visión y manejo del cerdo. 24-nov-2008 Los expertos opinan. (Consultado 19 noviembre 2010) Available from URL http://www.3tres3.com/los-expertos- opinan/vision-y-manejo-del-cerdo_2477/

Duncan IJH, Beatty ER, Hocking PM, Duff SRI. Assessment of pain associated with degenerative hip disorders in adult male turkeys. Research in Veterinary Science. 1991; 50: 200-203.

Ernst E. Is homeopathy a clinically valuable approach? Trends in Pharmacological Sciences. 2005, 26(11): 547-548.

Espinoza-Villavicencio JL, Palacios-Espinosa A, Ávila-Serrano N, Guillén-Trujillo A, de Luna- de la Peña R, Ortega- Pérez R, Murillo- Amador B. La ganadería orgánica, una alternativa de desarrollo pecuario para algunas regiones de México: Una revisión. Interciencia. 2007; 32: 385- 390.

Fraser D. Assessing animal well-being: commonn sense, uncommon science. In: Food Animal Well-being. West Lafayette, Indiana: USDA and Purdue University. 1993: 37-54.

Fraser AF, Broom DM. Farm animal behaviour and welfare. 3th ed. London: Baillière Tindall, 1990: 256-349; 358-369.

41

Friendship RM, Henry SC. Cardiovascular system, hematology, and clinical chemistry. In

Leman AD, Straw BE, Mengeling WL, D’Allaire S, Taylor DJ. Editores. Diseases of swine ιth

edition. Iowa State University Press / AMES, IOWA USA. 1992.

Gómez MA, Schwentesius R, Meraz MR, Lobato A, Gómez L. Agricultura, Apicultura y Ganadería Orgánicas de México. 1a edición. 2005. Universidad Autónoma Chapingo. Centro de Investigaciones Económicas, Sociales y Tecnológicas de la Agroindustria y la Agricultura Mundial (PIAI-CIESTAAM). México. 69 pp.

Graves HB. Behaviour and ecology of wild and feral swine (Sus scrofa). Journal of Animal Science. 1984; 58: 482-492.

Gustafson GM, Stern S. Two strategies for meeting energy demands of growing pigs at pasture. Livestock Production Science. 2003; 80: 167-174.

Hermansen JE. Organic livestock production systems and appropriate development in relation to public expectations. Livestock Production Science. 2003; 80: 3-15.

Hermansen JE, Moustsen VA, Andersen BH. Development of organic pig production systems. Paper presented at Perspectives in Pig Science, (citado 20 enero 2005) 2002 1-16. http://orgprints.org/6098

Hovi M, Sundrum A, Thamsborg SM. Animal health and welfare in organic livestock production in Europe: current state and future challenges. Livestock Production Science. 2003; 80: 41-53.

Ison SH, D’Eath RB, Robson SK, Baxter EM, Ormandy E, Douglas AJ, Russell JA, Lawrence AB, Jarvis S. “Subordination style” in pigs? The response of pregnant sows to mixing stress

affects their offspring’s behaviour and stress reactivity. Applied Animal Behaviour Science.

2010; 124: 16-27.

Jensen P. Observations of the maternal behaviour of free-ranging domestic pigs. Applied Animal Behaviour Science. 1986; 16: 131-142.

Jensen P. Maternal behaviour and mother-young interactions during lactation in free-ranging domestic pigs. Applied Animal Behaviour Science. 1988; 20: 297-308.

Kelley KW. Stress and immune function: A bibliographic review. Annales de Recherches Vétérinaires. 1980; 11: 445-458.

42

Klont RE, Hulsegge B, Hoving-Bolink AH, Gerritzen MA, Kurt E, Winkelman-Goedhart HA, Jong IC de, Kranen RW. Relationships between behavioral and meat quality characteristics of pigs raised under barren and enriched housing condition. Journal of Animal Science. 2001; 79: 2835- 2843.

Kouba M. Quality of organic animal products. Livestock Production Science. 2003; 80: 33-40. Kurz JC, Marchinton RL. Radiotelemetry studies of feral hogs in South Carolina. Journal of Wildlife Management. 1972; 32:1240-1248.

Landsberg G, Hunthausen W, Ackerman L. Handbook of behavior problems of the dog and cat. 2nd _{edition. Saunders. Toronto. 2003.}

Lawrence AB. The ISAE Wood-1 Gush Lecture 2006 Applied animal behaviour science: Past, present and future prospects. Applied Animal Behaviour Science 2008; 115: 1–24

Luescher UA, Friendship RM, Lissemore KD, McKeown DB. Clinical ethology in food animal practice. Applied Animal Behaviour Science 1989; 22: 191–214.

Marchant JN, Broom DM. Effect of dry sow housing conditions on muscle weight and bone strength. Animal Science. 1996; 62: 105-113.

Meese GB, Ewbank R. The establishment and nature of the dominance hierarchy in the domesticated pig. Animal Behaviour. 1973; 21: 326-334.

Mendl M, Zanella AJ, Broom DM. physiological and reproductive correlates of behavioural strategies in female domestic pigs. Animal Behaviour. 1992; 44: 1107-1121.

Moberg GP. Biological response to stress: Key to assessment of animal well-being? In: Animal Stress. Moberg GP (ed.). Bethesda, Md: American Physiological Society. 1985: 27-49.

Nardone A, Zervas G, Ronchi B. Sustainability of small ruminant organic systems of production. Livestock Production Science. 2004; 90: 27-39.

Newton ET. Note on Coryphodon remains from the Woolwich Beds of the Park Hill Section, Croydon Original Research Article Proceedings of the Geologists' Association, Volume 8, Issue 4, 1883, Pages 250-254, IN3.

43

Okumura N, Kurosawa Y, Kobayashi E, Watanobe T, Ishiguro N, Yasue H, Mitsuhashi T. Genetic relationship amongst the major non-coding regions of mitochondrial DNAs in wild boars and several breeds of domesticated pigs. Animal Genetics. 2001; 32: 139–147.

Pijoan AC. "La porcicultura: una industria bajo ataque", Actualidades en la producción porcina y en el diagnóstico de enfermedades, 1999 marzo 26-27, México (DF): Facultad de Medicina Veterinaria y Zootecnia, UNAM, 1999: 19-23.

Rodarte LF. Comportamiento animal y su relación con la producción. En: Diplomado de actualización en asesoría a empresas porcinas. Ed. MVZ EPA Mario E. Haro Tirado y MVZ, PhD Pedro Juan Pradal Roa. Del 27 al 31 de marzo de 2000: 18-27.

Rodarte LF, Barragán A, Trujillo ME, Doporto JM, Galindo F. Assessment of post-wearning biting and Licking behaviour and its relationships with production in piglets between 14 and 56 days of age. Proceeding of the 34th International Congress of the ISAE 2000 october 17-20, Florianópolis, Brasil: International Society for Applied Ethology, 2000: 187.

Rodarte LF. (2001a). Comportamiento del cerdo. En: Apuntes de Etología Aplicada. Ed. Marcela González de la Vara. Universidad Nacional Autónoma de México, Facultad de Medicina Veterinaria y Zootecnia, Departamento de Etología, Fauna Silvestre y Animales de Laboratorio. 2001:.24-29.

Rodarte LF. (2001b) La importancia del comportamiento del cerdo en los sistemas de producción. En Producción Animal Orgánica, el hombre rural guardián de la naturaleza. Ed. Ruiz-Figueroa JF. Universidad Autónoma Chapingo, México. 2001:146-152 ISBN-968-884-343- 1.

Rodarte LF. (2001c). Efecto del enriquecimiento ambiental sobre el bienestar de lechones destetados a 14 días de edad. (Tesis de Maestría). FMVZ-UNAM 2001.

Rodarte LF, Ducoing A, Galindo F, Romano MC, Valdez RA. The effect of Environmental Manipulation on Behavior, Salivary Cortisol, and Growth of Piglets Weaned at 14 Days of Age. Journal of Applied Animal Welfare Science. 2004; 7: 171-179.

Rodarte LF, Trujillo MA, Doporto JM, Galindo F. Efecto de la manipulación ambiental sobre el comportamiento social, reactividad al humano y producción de lechones destetados a 14 días de edad. Veterinaria México. 2005; 36: 375-380.

44

Ruiz FJF. Curso-Taller del ABC de la agricultura orgánica: Memorias de la ponencia para el curso: El ABC de la agricultura orgánica; 2001 marzo 29-31; Chapingo (Estado de México) México: Consejo Nacional Regulador de Agricultura Orgánica, A. C. Centro Regional Universitario del Anáhuac. Programa de Agricultura Orgánica. UACH. 2001.

SAC. Salud Alternativa Complementaria. 2ª edición. X.Y.Z. Editora, S.A. Buenos Aires, Argentina. 2009. (26: 5, 9, 48-58).

Sandøe P, Christiansen SB, Appleby MC. Farm animal welfare: The interaction of ethical questions and animal welfare science. Animal Welfare. 2003; 12: 469-478.

Secretaría de Agricultura, Ganadería, Desarrollo Rural, Pesca y Alimentación. La producción de carne en México 2010. Claridades agropecuarias. México (DF): SAGARPA, 2010. Número 207:19-33 http://www.infoaserca.gob.mx/claridades/revistas/207/ca207-19.pdf

Silva E. Homeopatía Veterinaria. 1ª edición. Propulsora de Homeopatía. México. 2008.

Spinka M, Algers B. Funtional view on undder massage after milk let-down in pigs. Applied Animal Behaviour Science. 1995; 43: 197-212.

Spinka M, Illman G, Algers B, Stetkova Z. The role of nursing frecuency in milk production in domestic pig. Journal of Animal Science. 1997; 75: 1223-1228.

Stolba A, Wood-Gush DGM. The behaviour of pigs in a seminatural environment. Animal Production. 1989; 48: 419-425.

Sundrum A. Managing aminoacids in organic pig diets. The 4th NAHWOA Workshop Breeding and feeding for animal health and welfare in organic livestock systems; March 24-27; 2001 Wageningen Netherlands, (citado 9 septiembre 2008) Available from URL http://www.veeru.reading.ac.uk/organic/FINALProceedingsEdited.pdf

Sundrum A. Carcass quality of organic pork. Paper presented at AFSSA; Journée d´Echanges sur l´Agriculture Biologique. Paris, France, (citado 20 enero 2005) 18 octobre 2002; page 50-52. 905. http://orgprints.org/00000905/

Tannenbaum J. Ethics and animal welfare: the inextricable connection. Journal of the American Veterinary Medical Association. 1991; 198: 1360-1376.

45

Tinoco JJL. La porcicultura mexicana y el TLCAN. Colección posgrado UNAM Dirección General de Estudios de Postrado. Facultad de Medicina veterinaria y Zootecnia. 1a edición. México (DF) 2004.

United States Departament of Agriculture USDA 2010

http://usdasearch.usda.gov/search?utf8=%E2%9C%93&affiliate=usda&query=pork+stadistic&c ommit=Search&x=0&y=0

Van Rooijen J. Wahlversuche, eine ethologische Methode zum Sarnrneln von Messwerten, und Haltungseinflusse zu erfassen und zu beurteilen. Aktuelle Arbeiten zur artgemiissen Tierbaltung, KTBL Schrift 1980; 264: 165-185.

Waiblinger S, Boivin X, Pedersen V, Tosi MV, Janczak AM, Visser EK, Jones RB. Assessing the human–animal relationship in farmed species: A critical review Applied Animal Behaviour Science. 2006; 101: 185–242.

Whittemore CT, Schofield CP. A case for size and shape scaling for understanding nutrient use in breeding sows and growing pigs. Livestock Production Science. 2000; 65: 203-208.

Woolfolk A. What motivates teachers? Important work on a complex question. Learning and Instruction 2008; 18: 492-498.

Zollitsch W. Feeding for Health and Welfare: the Challenge of Formulating Well-balanced Rations in Organic Livestock Production. En Vaarst M. Animal Health and Welfare in Organic Agriculture. CABI Publishing. 1ra Edición. Wallingford. Reino Unido. 2004: 329-349.

46