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Representante legal: R E V I S TA

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EXTENSIร“N

Dr. Santiago Urcelay V. Directora:

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Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile

Dra. Daniela Iragรผen C. Coordinadora registro digital Favet: Dra. Valeria Rojas E. Director comitรฉ editorial: Dr. Carlos Nรบรฑez P. Comitรฉ editorial: Dra. Consuelo Borie P. Dra. Betty San Martรญn N. Dr. Gino Cattaneo U. Dr. Hรฉctor Adarmes A. Dr. Marco Galleguillos C. Dra. Mariana Rojas R. Dr. Richard Arancibia B. Diagramaciรณn e impresiรณn: B&B Impresores Contacto:

Foto de portada: Colaboraciรณn. Juan Josรฉ Toro Letelier

Direcciรณn de Extensiรณn Fono: 978 56 21 Correo electrรณnico: webFavet@uchile.cl

Impreso en septiembre de 2012

Contenido

EDITORIAL FACULTAD AL DรA

ARTรCULOS ORIGINALES

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Proyectos de investigaciรณn adjudicados en Favet

ENERO

Desde fines de 2011 y durante el primer semestre de 2012, la comunidad de Favet concursรณ a diversas fuentes de financiamiento para investigaciรณn. Sumรกndose a esta iniciativa, estudiantes de la facultad, la Direcciรณn de Gestiรณn y la Direcciรณn de Pregrado tambiรฉn fueron beneficiados con financiamiento para realizar actividades de importante connotaciรณn social y dirigidas al desarrollo de la docencia de pregrado. Concurso Incentivo a la Generaciรณn de Redes, VID Universidad de Chile *OJDJBUJWB RVF QSFUFOEF FTUJNVMBS Z TVTUFOUBS MB GPSNBDJร˜O EF VOB 3FE EF *OWFTUJHBDJร˜O  DPOGPSNBEB QPS BDBEรNJDPT EF EJGFSFOUFT VOJEBEFT EF MB 6OJWFSTJEBEEF$IJMFZEFPUSBTJOTUJUVDJPOFT%FMBTPDIPQSPQVFTUBTรถOBO DJBEBT EPTGVFSPOBEKVEJDBEBTBBDBEรNJDPTEF'BWFU

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ENERO

Arriba, el doctor Alonso Parra. A la derecha, ร“scar Sebastiรกn, estudiante de Favet.

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Luis Macรญa y Raรบl Muรฑoz: โ€œEstamos contentos de estar acรก, se cumpliรณ nuestro sueรฑoโ€.

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Dos nuevas acadรฉmicas en el equipo docente de Favet

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Tamara Tadich G. Carolina Valenzuela V.

6

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Estudiantes durante la evacuaciรณn de las salas de clases.

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7


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La Orquesta Sinfรณnica Infantil Nocedal de La Pintana recibe el reconocimiento de los asistentes a la ceremonia

8

t&EJDJร˜OKVOJP

Estudiantes, personal de colaboraciรณn y acadรฉmicos durante la convivencia


facultad a l día

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23 Académicos MAYO

franceses visitan Favet

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Profesor Fernando Vio, del Instituto de Nutrición y Tecnología de los Alimentos INTA

De izq. a der: Profesor Etienne Josien, profesora Gabriela Sonohat-Sinoquet, Profesor José Luis Arias, Profesora Danièle Montagnac. 'B D V M U B E   E F  $ J F O D J B T 7F UF S J O B S J B T  Z  1F D V B S J B T  t  6 O J WF S T J E B E  E F$ IJ MF

9


a rt รญculo s orig i n a l e s

Aflatoxina M1:

Riesgo en el consumo de lรกcteos D

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En la medida que avanza el conocimiento cientรญfico y las exigencias de calidad respecto a la inocuidad de los alimentos, aumenta la preocupaciรณn de la comunidad al respecto, siendo los contaminantes ambientales y los residuos farmacolรณgicos considerados de alto riesgo los factores que mรกs llaman la atenciรณn en esta materia. Lo anterior cobra particular relevancia respecto a los mercados de exportaciรณn en funciรณn a la altas exigencias sanitarias impuestas por los paรญses importadores.

10

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Estructura de aflatoxinas B1 y M1.

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Carlos Nรบรฑez P. Mรฉdico Veterinario Fac. Cs. Veterinarias y Pecuarias Universidad de Chile canunez@uchile.cl

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11


a rt ículo s orig i n a l e s

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12

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13


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Gestión ambiental: Oportunidades y desafíos para la medicina veterinaria INTRODUCCIÓN Aunque la preocupación por los temas ambientales es de larga data, ésta tiene un punto de inflexión en la Conferencia de las Naciones Unidas sobre Medio Ambiente Humano, celebrada en Estocolmo en 1972 (Unche, 1972). Desde entonces, diversas Convenciones (UNEP, 2001), Conferencias, Acuerdos y Protocolos, han sido elaborados para dar cuenta de los crecientes conflictos ambientales tanto a nivel global, regional, como local. Otros hitos importantes que dan cuenta del interés mundial en temas ambientales, los constituyen el informe Brundtland “Nuestro Futuro Común” (WCED, 1987); la Conferencia de las Naciones Unidas sobre Medio Ambiente y Desarrollo, celebrada en Río de Janeiro en1992 (Unced, 1992); y la Cumbre Mundial sobre Desarrollo Sostenible, llevada a cabo en Johannesburgo en el 2002 (WSSD, 2002). Este año fue celebrada nuevamente en Río de Janeiro, la Cumbre de la Tierra, nombre con el que se conoce también a la Conferencia de las Naciones Unidas sobre Medio Ambiente y Desarrollo (Unced, 2012). Sin embargo, a pesar de las cuatro décadas transcurridas en los debates relacionados con la problemática ambiental, desde el punto de vista práctico, el medioambiente continúa empeorando (WRI, 2005;

14

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UNEP 2007; CBD 2010). Desafortunadamente, Chile no es la excepción a esta tendencia. (OCDE 2005; Instituto de Asuntos Públicos, 2010). Algunos de los mecanismos involucrados en los procesos de deterioro ambiental son: modificación de hábitat, introducción de especies exóticas, contaminación, sobreexplotación y cambio climático (WRI, 2005), que en su gran mayoría son consecuencias directas e indirectas de las actividades humanas. Lo anterior explica el crecimiento e importancia de la gestión medioambiental, dando origen a las denominadas ciencias ambientales, las que tienen por objetivo contribuir al desarrollo económico sobre una base ecológicamente sustentable (Jaksic, 1997)


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Cristian Pรฉrez M. Mรฉdico Veterinario Ms (c). Gestiรณn y Planificaciรณn Ambiental Doctor (c) Medicina de la Conservaciรณn Universidad de Chile perezm.cristian@gmail.com

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15


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Bioclimatologรญa di Castri & Hajek (1976) e Historia Ambiental de Chile Camus & Hajek (1998).

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Foca Leopardo (Hydrurga leptonyx) en Isla Decepciรณn, Archipiรฉlago de las Shetlands del Sur.

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Colonia en placa agar sangre de Campylobacter spp. Foto: gentileza doctora. Gisella Gonzรกlez.

Anรกlisis de Sensibilidad de cepa de Campylobacter a disco de รcido Nalidรญxico y Cefalotina.

Test de susceptibilidad a los antibiรณticos (Kirby Bauer) en Campylobacter. Foto: gentileza doctora. Gisella Gonzรกlez.

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Referencias t #SPXO1& $ISJTUFOTFO0' $MPVHI)& %JHHMF1+ )BSU$" )B[FM4 FUBM 'SFRVFODZBOETQBUJBMEJTUSJCVUJPOPGFOWJSPONFOUBM$BNQZMPCBDUFSTQQ"QQM &OWJSPO.JDSPCJPM t #BDPO %+"MN 3"#VSS %))V -,PQFDLP %+&XJOH $1FUBM*OWPMvement of a plasmid in virulence of Campylobacter jejuni 81-176. Infect Immun. o t #BO.JTIV "$BNQZMPCBDUFSKFKVOJ*OGFDUJPOT6QEBUFPO&NFSHJOH*TTVFTBOE5SFOET$MJO*OGFDU%JT t #VU[MFS +$BNQZMPCBDUFS GSPNPCTDVSJUZUPDFMFCSJUZ$MJO.JDSPCJPM*OGFDU t $FOUFSTGPS%JTFBTF$POUSPMBOE1SFWFOUJPO $%$ 1SFMJNJOBSZ'PPE/FU data on the incidence of Infection with pathogens transmitted commonly UISPVHIGPPEo4UBUFT .PSCJE.PSUBM8LMZ3FQo t $PMMFT '.+POFT ,)BSEJOH 3..BJEFO.$5(FOFUJDEJWFSTJUZPG$BNpylobacter jejuni isolates from farm animals and farm environment. Appl. EnviSPO.JDSPCJPM t %BUUB4 /JXB) *UPI,1SFWBMFODFPGQBUIPHFOJDHFOFTPG$BNQZMPbacter jejuni by PCR in strains isolated from humans, poultry meat and broiler BOECPWJOFGBFDFT+.FE.JDSPCJPM t &WFSFTU1) (PPTTFOT) #VU[MFS+1 -MPZE% ,OVUUPO4 ,FUMFZ+. 8JMMJBNT1) 1992. Differentiated Caco-2 cells as a model for enteric invasion by Campylobacter jejuni and C. coli. J. Med. Microbiol. 37: 319-325. t 'FSOรˆOEF[ )1JTPO 7*TPMBUJPOPGUIFSNPUPMFSBOUTQFDJFTPG$BNQZMPCBDUFSGSPNDPNFSDJBMDIJDLFOMJWFST*OU+'PPE.JDSPCJPM t 'FSOรˆOEF[ ) 7FSB' 7JMMBOVFWB .1&TQFDJFTEF"SDPCBDUFSZ$BNQZMPbacter en aves y mamรญferos del sur de Chile. Arch. Med Vet, 39: 163-165. t 'JHVFSPB (5SPODPTP .-ร˜QF[ $3JWBT 15PSP .0DDVSSFODFBOE enumeration of Campylobacter spp. during the processing of Chilean broilers. #.$.JDSPCJPM t /'SFODI .#BSSJHBT 1#SPXO 13JCJFSP /8JMMJBNT )-FBUIFSCBSSPX 3FUBM 4QBUJBMFQJEFNJPMPHZBOEOBUVSBMQPQVMBUJPOTUSVDUVSFPG$BNQZMPCBDter jejuni colonizing a farmland ecosystem. Environ. Microbiol. 7: 1116-1126. t (JMMFTQJF *" 4+0#SJFO +"'SPTU (,"EBL 1)PSCZ "74XBO .+1BJOUFS  ,3/FBM BOE$BNQZMPCBDUFS4FOUJOFM4VSWFJMMBODF4DIFNF"DBTFDBTF comparison of Campylobacter coli and Campylobacter jejuni infection: a tool GPSHFOFSBUJOHIZQPUIFTFT&NFSH*OGFDU%JT

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Tรฉcnicas de castraciรณn del Ganado Bovino

La castraciรณn del ganado es una prรกctica muy difundida en los rebaรฑos ganaderos de engorda, ya que al interrumpir la producciรณn de hormonas masculinas se obtienen mรบltiples beneficios para el manejo del ganado en conjunto.

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24

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El objetivo de este artรญculo es exponer los objetivos de la castraciรณn, las diferentes tรฉcnicas practicadas y sus ventajas y desventajas, principalmente en el ganado bovino.

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Castraciรณn con elรกstico (gomas elastradoras - anillos de goma).

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Figura 1. Tenaza Elastradora y anillos de goma.

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Natalie Urrutia C. Mรฉdico Veterinario Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Phd (c) Pennsylvania State University

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Figura 2. Ubicaciรณn de la goma elastradora.

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Figura 3. Burdizzo.

Figura 4. Lugar de castraciรณn con Burdizzo.

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Figura 5. Emasculador Serra.

Figura 6. Zona de incisiรณn, tรฉcnica quirรบrgica.

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27

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II Simposio Internacional Indรญgena

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7 I Simposio Latinoamericano de Reproducciรณn Animal

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De izq. a der., nuestros acadรฉmicos, Jaime Palomino , Vรญctor Hugo Parraguez y ร“scar Peralta.

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28

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NOVIEMBRE Y DICIEMBRE

Perfeccionando la docencia en Favet

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La doctora Alicia Valdés en una charla en la Universidad de Harvard.

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Enseña Chile vincula a estudiantes secundarios con la Universidad de Chile

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i nter esante de s a ber

Reconocimiento a nuestros académicos Desde fines del 2011 e inicios del 2012, hitos en la vida de nuestros académicos han traído penas y alegrías a la comunidad veterinaria.

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De izq a der: Fernando Fredes M., Audrey Grez V. y Víctor Pérez V.

De izq a der: Víctor Pérez V., Betty San Martín N., Santiago Urcelay V. y Fernando Vio.

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Estefanía Flores (al centro) junto a su familia, amigos y autoridades.

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31


i n t er es an t e de s aber

Red-Zoonosis: Una contribuciรณn a la investigaciรณn, prevenciรณn y control de enfermedades zoonรณticas

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doctor Patricio Retamal, Director de la RED Zoonosis

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32

t&EJDJร˜OKVOJP

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tecnovet 2012

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