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THERIOGENOLOGY CONTENTS INDEX VOLUME 56 1 July 2001, Volume 56, Number | EFFECT OF CULTURE SYSTEM ON THE YIELD AND QUALITY OF BOVINE BLASTOCYSTS AS ASSESSED BY SURVIVAL AFTER VITRIFICATION D. Rizos, F.W ard, M.P. Boland and P. Lonergan MEIOTIC AND DEVELOPMENTAL COMPETENCE OF PREPUBERTAL AND ADULT SWINE OOCYTES R. Marchal, J.M. Feugang, C. Perreau, E. Venturi, M. Terqui and P. Mermillod SEMINAL PLASMA ADDITION ATTENUATES THE DILUTION EFFECT IN BOVINE SPERM D.L. Garner, C.A. Thomas, C.G. Gravance, C.E. Marshall, J.M. DeJarnette and C.H. Allen CHEMICAL PROPERTIES OF BOVINE CERVICAL MUCUS DURING NORMAIL ESTRUS AND ESTRUS INDUCED BY PROGESTERONE AND/OR PGF,, Th. Tsiligianni, A. Karagiannidis, P. Brikas and Ph. Saratsis EFFECTS OF FOLLICLE STIMULATING HORMONE (FSH)O N FOLLICULAR DEVELOPMENT, OOCYTE RETRIEVAL AND IN VITRO FERTILIZATION (IVF) IN EWES DURING BREEDING SEASON AND SEASONAL ANESTRUS T.K. Stenbak, D.A. Redmer, H.R. Berginski, A.S. Erickson, C.N avanukraw, M.J. Toutges, J.J. Bilski, J.D. Kirsch, K.C. Kraft, L.P. Reynolds and 4.T. Grazul-Bilska SUPEROVULATORY RESPONSE, EMBRYO QUALITY AND FERTILITY AFTER TREATMENT WITH DIFFERENT GONADOTROPHINS IN NATIVE CATTLE L. Lopes da Costa, J.C hagas e Silva andJ . Robalo Silva THE EFFECT OF ESTRADIOL BENZOATE OR A SYNTHETIC GONADOTROPIN- RELEASING HORMONE USED AT THE START OF A PROGESTERONE TREATMENT ON ESTROUS RESPONSE IN CATTLE E.A. Lane, E.J. Austin, J.F. Roche and M.A. Crowe REPRODUCTIVE PERFORMANCE OF POSTPARTUM DAIRY COWS UNDER A HIGHLY INTERVENiENT BREEDING PROGRAM INVOLVING TIMED INSEMINATION AND COMBINATIONS OF GnRH, PROSTAGLANDIN F,,, AND HUMAN CHORIONIC GONADOTROPIN S.K. Tallam, T.L. Kerbler, K.E. Leslie, K. Bateman, W.H. Johnson and J.S. Walton BREEDING EWES OUT-OF-SEASON USING MELENGESTROL ACETATE, ONE INJECTION OF PROGESTERONE, OR A CONTROLLED INTERNAL DRUG RELEASING DEVICES J.A. Daniel, S.W. Sterile, E.L. McFadin-Bufafn d D.H. Keisler Theriogenology 56:1497-1505, 2001 0093-691 X/01/$-see front matter © 2001 Elsevier Science Inc Pil: SO093-691X(01)00649-5 VOLUME 56 — CONTENTS INDEX METABOLIC CUES FOR PUBERTY ONSET IN FREE GRAZING HOLSTEIN HEIFERS NATURALLY INFECTED WITH NEMATODES G.S. Diaz-Torga, M.E. Mejia, A. Gonzalez-Iglesias, N. f D. Becti- Villalobos and I.M. Lacau-Mengido EFFECT OF INSEMINATION TIME OF FROZEN SEMEN ON INCIDENCE OF UTEFRLUIID NIN EMAR ES E.D. Watson, S. Barbacini, B. Berrocal, O. Sheerir G. Zavaglia and D. Necch CONTENTS OF MEIOSIS ACTIVATING STEROLS IN EQUINI FLUIDS: CORRELATION TO FOLLICULAR SIZE AND DOMINAN M. Baltsen, 1B. Bogh and A.G. Byskov THE REPEATABILITY OF SUPEROVULATORY RESPONSI RECOVERY IN SHEEP F. Bari, M. Khalid, B. Wolf, W. Haresign, A. Murra DOES CO. ENHANCE SHORT-TERM STORAGE SUCCESS OF CHINOOK SALMON (Oncorhynchus tshawytscha) MILT D.C. Bencic, R.L. Ingermann and J.G. Cloud TRANSCRIPTIONAL ACTIVITY IN IN VIVO DEVELOPED EARLY CLEAVAGE STAGE BOVINE EMBRYOS 4. Hay-Schmidt, D. Viuff, T. Greve and P. Hytte EFFECT OF EXTENDER COMPOSITION AND EQUILIBRATION TIME ON FERTILIZATION ABILITY AND ENZYMATIC ACTIVITY OF RAINBOW TROUT CRYOPRESERVED SPERMATOZOA I. Babiak, J. Glogowski, K. Goryczko, S. Dobosz, H. Kuzmins ). Strzezek and W. Demianowicz LETTER: Comments on T. Suzuki et al. Article, Theriogenology 2001;:55:1127-1141 W. Jéchle LETTER: Reply to Jéchle letter Y. Fukui and S. Ohsumi 15 July 2001, Volume 56, Number 2 THE EFFECT OF INFECTION WITH BOVINE VIRAL DIARRHEA VIRUS ON THE FERTILITY OF SWISS DAIRY CATTLE J. Riifenacht, P. Schaller, L. Audigé, B. Knutti, U. Kipfer and E. Peterhans MONOCLONAL ANTIBODIES TO INTRA-ACROSOMAL PROTEINS INHIBIT GAMETE BINDING IN VITRO J. Peknicova, J. Capkova, G. Geussova, M. Ivanova and M. Mollova PENTOXIFYLLINE IMPROVES IN VITRO FERTILIZATION AND SUBSEQUENT DEVELOPMENT OF BOVINE OOCYTES T. Numabe, T. Oikawa, T. Kikuchi and T. Horiuchi VOLUME 56 —-CONTENTS INDEX USE OF VAGINAL ELECTRICAL RESISTANCE (VER) TO PREDICT ESTRUS AND OVARIAN ACTIVITY, ITS RELATIONSHIP WITH PLASMA PROGESTERONI AND ITS USE FOR INSEMINATION IN BUFFALOES K.A. Gupta and G.N. Purohit HEPARIN AND Ca’ -FREE MEDIUM CAN ENHANCE RELEASE OF BULI SPERM ATTACHED TO OVIDUCTAL EPITHELIAL CELL MONOLAYERS P. Bosc J.M. de Avila, J.E. Ellington and R.W. Wright, Jr ASSESSMENTO F IN VITRO FERTILITY OF DEER SPERMATOZOA BY HETERIVFO WILTH ZOONAG-FREOE UBOVISNE OOCYTES P. Comizzoli, R. Mauget and P. Mermillod THIOLS PREVENT H,O.-MEDIALTOSES DO F SPERM MOTILIT‘ IN CRYOPRESERVED BULL SEMEN F. Bilodea S. Blanchette EVALUATING RECIPIENT AND EMBRYOFA CTORS THAT PREGNANCY RATES OF EMBRYO TRANSFER IN BEEF ¢ A_R. Spell, W.E. Beal, L.R. Corah and G.C. Lamb CCESSFUL DIRECT TRANSFER OF VITRIFIED SHEEP EMBRYOS Baril, A-L. Traldi, Y. Cognié, B. Le poecul Beckers and P. Mermillod REDUCTION IN SIZE OF THE OVULATORY FOLLICLE RI SUBSEQUENT LUTEAL SIZE AND PREGNANCY RATI J.L.M. Vasconcelos, R. Sartori, H.N. Oliveira 1.G. Guenther and M.C. Wiltbank PREVENTING EXPERIMENTAL VERTICAL TRANSMISSION OF SCRAPII BY EMBRYO TRANSFER S. Wang, W.C. Foote, D.L. Sutton, A. Maciulis, J.M. Miller, R.C. Evans G.R. Holyoak, J.W. Call, T.D. Bunch, W.D. Taylor and M.R. Marshall DEVECLAPACOITY POF MEQUINEE ONOCYTETS MAATURLED AND CULTURIEN DE QUINE TROPHOBLAST-CONDITIONED MEDIA Y.H. Choi, Y.G. Chung, G.E. Seidel, Jr.. and E.I Squires DETECTION OF ESTROGEN ALPHA AND PROGESTERONE RECEPTORS AND CELL PROLIFERATION IN THE UTERUS DURING EARLY PREGNANCY IN THE GOAT J.M. Flores, M.A. Sanchez, A. Nieto, B. Sanchez M. Gonzalez and P. Garcia REPRODUCTIVE RESPONSES TO GRAZING ENDOPHYTE-INFECTED TALL FESCUE BY POSTPARTUM BEEF COWS J.M. Burke, R.W. Rorie, E.L. Piper and W.G. Jackson August 2001, Volume 56, Number 3 EFFECT OF AN IMPLANT CONTAINING THE GnRH AGONIST DESLORELIN ON SECRETION OF LH, OVARIAN ACTIVITY AND MILK YIELD OF POSTPARTUM DAIRY COWS R. Mattos, C. Orlandi, J. Williams, C.R. Staples, T. Trigg and W.W. Thatcher Theriogenology VOLUME 56 —- CONTENTS INDEX 4 SHORT HYPOOSMOTIC SWELLING TEST FOR THE PREDICTION OF BOAR SPERM FERTILITY B. Pérez-Llano, J.L. Lorenzo, -P. Yenes, A. Trejo and P. Garcia-Casado SPERM CAPACITATION IN VITRO IN THE ELD'S DEER V.K. Hamal, R. Spindler, S.L. Monfort, B. Pukazhenth D.M. Bird and D.E. Wildt RETROSPECTIVE STUDY ON AN UNUSUAL FORM OF OVARIO-BURSAI PATHOLOGY IN THE CAMEL (Camelus dromedarius) 4. Tibary and A. Anouassi SEMINAL PLASMA PROTEINS PREVENT COLD-SHOCK MEMBRANE DAMAGE TO RAM SPERMATOZOA R. Pérez-Pé, J.A. Cebrian-Pérez and T. Muifio-Blanco EFFECT OF GONADOTROPHIN DOSE ON OOCYTE RETRIEVAL IN SUPEROVULATED BALB/C MICE K.T. Ozgunen, S. Erdogan, N. Mazmanoglu, |. Pamuk G. Logoglu and T. Ozgunen SURVIVAL OF BOAR SPERMATOZOA FROZEN IN DILUENTS OF VARYING OSMOLALITY W.X. Zeng, M. Shimada and T. Terada DEVELOPMENT AND VIABILITY OF IN VITRO DERIVED PORCINE BLASTOCYSTS CULTURED IN NCSU23 AND G1.2/G2.2 SEQUENTIAL MEDIUM J.E. Swain, C.L. Bormann and R.L. Krisher SYSTEMIC RELAXIN IN PREGNANT PONY MARES GRAZED ON ENDOPHYTE- INFECTED FESCUE: EFFECTSO F FLUPHENAZINE TREATMENT P.L. Ryan, K. Bennett-Wimbush, W.E. Vaala and C.A. Bagnell SEMEN CHARACTERISTICS AFTER VASECTOMY IN THE RAM F. Janett, D. Hiissy, C. Lischer, M. Hassig and R. Thun ATTENUATION OF PREMATURE ESTROUS BEHAVIOR IN POSTPARTUM BEEF COWS SYNCHRONIZED TO ESTRUS USING GnRH AND PGF,, J.M. DeJarnette, R.W. Wallace, R.B. House, R.R. Salverson and C.E. Marshall COMPARISONSO F OOCYTE MATURATION TIMES AND OF THREE METHODS OF SPERM PREPARATION FOR THEIR EFFECTS ON THE PRODUCTION OF GOAT EMBRYOS IN VITRO G.J. Rho, A.C. Hahnel and K_J. Betteridge LETTER: W. Jéchle, 5 June 2001 W. Jéchle LETTER: Y. Fukui, 29 June 2001 1 September 2001, Volume 56, Number 4 IMPROVEMENT ON IN VITRO MATURATION, FERTILIZATION AND DEVELOPMENT OF MINKE WHALE (Balaenoptera acutorostrata) OOCYTES M. Asada, M. Tetsuka, H. Ishikawa, S. Ohsumi and Y. Fukui Theriogenology VOLUME 56 —- CONTENTS INDEX DO SIRE-DAM INTERACTIONS CONTRIBUTE SIGNIFICANTLY TO FERTILITY COMPARISONS IN HETEROSPERMIC INSEMINATION TRIALS I. Berger and M. Dally SELECTION OF IN VITRO PRODUCED, TRANSGENIC EMBRYOS BY NESTED PCR FOR EFFICIENT PRODUCTION OF TRANSGENIC GOATS S.Z. Huang, Y. Huang, M.J. Chen, F.Y. Zeng, Z.R. Ren and Y.T. Zeng SPERM CHROMATIN STRUCTURE ASSAY OF BULLS QUALIFIED FOR ARTIFICIAL INSEMINATION M. Bochenek, Z. Smorag and J. Pilch MORPHOLOGICAL AND FUNCTIONAL CHARACTERISTICSO F THE DOMINANT FOLLICLE AND CORPUS LUTEUM IN CATTLE AND THEIR INFLUENCE ON OVARIAN FUNCTION A. Ali, A. Lange, M. Gilles and P.S. Glatzel EFFECT OF ANTIOXIDANTSON PRESERVATION OF MOTILITY, VIABILITY AND ACROSOMAL INTEGRITY OF EQUINE SPERMATOZOA DURING STORAGE AT 5°C B.A. Ball, V. Medina, C.G. Gravance and J. Baumber EFFECT OF ACTIVIN-A ON GOAT GRANULOSA CELL STEROIDOGENESIS F. Shidai fat ADMINISTRATION OF ANTIPROGESTIN J956 FOR CONTRACEPTION IN BEARS: A PHARMACOLOGICAL STUDY K. Jewgenow, M. Quest, W. Elger, T.B. Hildebrandt, H.H.D. Meyer, G. Strauss and F. Géritz THE EFFECTS OF pH, OSMOLARITY AND URINE CONTAMINATION ON EQUINE SPERMATOZOAL MOTILITY S. Griggers, D.L. Paccamonti, R.A. Thompson and B.E. Eilts EFFECT OF EXTERNAL CRYOPROTECTANTS AS MEMBRANE STABILIZERS ON CRYOPRESERVED RAINBOW TROUT SPERM E. Cabrita, L. Anel and M.P. Herraéz EVALUATION OF THE EARLY CONCEPTION FACTOR (ECF™) TEST FOR THE DETECTION OF NONPREGNANCY IN DAIRY CATTLE B. Gandy, W. Tucker, P. Ryan, A. Williams, A. Tucker, A. Moore, R. Godfrey and S. Willard PERSISTENT OVARIAN FOLLICLES IN DAIRY COWS A THERAPEUTIC APPROACH F. Lopez-Gatius, P. Santolaria, J. Yaniz, J. Rutllant and M. Lopez-Beéjar EFFECTS OF GONADOTROPINS ON BOVINE OOCYTES MATURED IN TCM-199 Y.H. Choi, E.M. Carnevale, G.E. Seidel,J r. and E.L. Squires PREGNANCY-ASSOCIATED GLYCOPROTEINS (PAG) DETECTION IN MILK SAMPLES FOR PREGNANCY DIAGNOSIS IN DAIRY GOATS F. Gonzalez, J. Sulon, P. Calero, M. Batista, A. Garcia and J.F. Beckers Theriogenology VOLUME 54 —-C ONTENTS INDEX A NOVEL AUTOMATIZED FLUOROMETRIC ASSAY TO E' ATE SPERM VIABILITY AND FERTILIIN TDAYIR Y BULLS K. Alm, J. Taponen, M. Dahibom, E. Tuunainen, E. Koskinen and M. Andersson INCREASE IN MILK AND BODY TEMPERATURE OF COWS AS AS IGN OF EMBRYO ENTRY INTO THE UTERUS Z. Gil, J. Kural, J. Szarek and E. Wierzchos 15 September 2001, Volume 56, Number 5 OVARIAN FOLLICLE APOPTOSIS AT THE ONSET OF STANDING ESTRUS IN VIRGIN AND REPEAT-BREEDER DAIRY HEIFERS R. Bage, W.T.K. Bosu and H. Rodriguez-Martinez PRIAPISM: A REVIEW M.C. Rochat THE EFFECTS OF AGE, SEASON AND FERTILITY STATUS ON PLASMA AND INTRATESTICULAR INSULIN-LIKE GROWTH FACTOR| CONCENTRAITN ISTOALNLISON S M.F Hess and lf Roser STEROID PRIMING SHORTENS PROSTAGLANDIN-BASED ESTROUS SYNCHRONIZATION PROGRAM FROM 14 TO 7 DAYSIN CATTLI 4 Niasari-Naslaji, S.M. Hosseini, F. Sarhaddi, M. Bolourchain d M.R. Birjandi EFFECT OF HOMOLOGOUS PREOVULATORY FOLLICULAR FLUID ON IN VITRO MATURATIONO F EQUINE CUMULUS-OOCYTE COMPLEXES J.J. Aguilar, G.L. Woods, M.H. Miragaya, L.M. Olsen and D.K. Vanderwall SEASONAL VARIATION IN PREOVULATORY EVENTS ASSOCIATED WITH SYNCHRONIZATIONO F ESTRUS IN DWARF GOATS J.T. Pierson, H. Baldassarre, C.L. Keefer and B.R. Downey FREQUENCY OF ANEUPLOIDY IN PIG OOCYTES MATURED IN VITRO AND OF THE CORRESPONDING FIRST POLAR BODIES DETECTED BY FLUORESCENT IN SITU HYBRIDIZATION M. Vozdova, M. Machatkova, S. Kubickova, D. Zudova, E. JokeSova and J. Rubes EFFECT OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME VIRUS INFECTION ON THE OVARY AND PROGESTERONE LEVELS IN THIRD TRIMESTER PREGNANT SOWS J.E. Benson, M.J. Yaeger and S.P. Ford VALIDATION OF A REVERSE TRANSCRIPTION NESTED POLYMERASE CHAIN REACTION (RT-nPCR) TO DETECT BOVINE VIRAL DIARRHEA VIRUS (BVDV) ASSOCIATED WITH IN VITRO-DERIVED BOVINE EMBRYOS AND CO-CULTURED CELLS M.D. Givens, P.K. Galik, K.P. Riddell, D.A. Stringfellow, K.V. Brock, M.D. Bishop, K_J. Eilertsen and N.M. Loskutoff EFFECTSO F GLUCOSE AND FRUCTOSE ON MOTILITY PATTERNS OF DOG SPERMATOZOA FROM FRESH EJACULATES T. Rigau, M. Farré, J. Ballester, T. Mogas, A. Pefia and J.E. Rodriguez-Gil heriogenology T > ~/ Y VOLUME 56 —- CONTENTS INDEX EFFECT OF SPERM CRYOPRESERVATION AND TREATMENT WITH CALCIUM IONOPHORE OR HEPARIN ON IN VITRO FERTILIZATIONO F HORSE OOCYTES H. Alm, H. Torner, S. Blottner, G. Niirmberagn d W. Kanitz ANALYSISO F COW FACTORS INFLUENCING CONCEPTION RATES AFTER WO TIMED BREEDING PROTOCOLS B.-A. Tenhagen, M. Drillich and W. Heuwieser SPERM OUTPUT AND HORMONE CONCENTRATIION NFSIN N AND DORSET RAMS EXPOSED TO LONG- AND SHORT-DAY LIGHTING M.A. El-Alamy, R.H. Foote and E. Hare MATURATIONO F THE RECONSTRUCTED OOCYTES BY GERMINAIL VESICLE TRANSINF REABBRIT S AND MICE G.P. Li, L. Lian, M.K. Wang, Y. Lian and D.Y. Chen SERUM LUTEINIZING HORMONE, GROWTH HORMONE AND INSULIN-LIKE GROWTH FACTOR-I AFTER RELEASING HORMONE CHALLENGE IN PREPUBERTAL EWE LAMBS SELECTED FOR TWINNING K.L. Shirley, J.A. Hernandez, D.M. Hallford and M.G. Thomas OVARIAN SUPERSTIMULATORY RESPONSE AND EMBRYO PRODUCTION IN MARES TREATED WITH EQUINE PITUITARY EXTRACT TWICE DAILY M.A. Alvarenga, P.M. McCue, J. Bruemmer, J.R. Neves Neto and E.L. Squires ACROSIN ACTIVITY IN TURKEY SPERMATOZOA: ASSAY BY CLINICAI METHOD AND EFFECT OF ZINC AND BENZAMIDINE ON THE ACTIVITY J. Glogowski, J. Jankowski, A. Faruga, J.S. Ottobre and A. Ciereszko lTHE EFFECT OF A GnRH ANTAGONIST ON ENDOCRINE AND SEMINAL PARAMETERS IN STALLIONS 4M. Hinojosa, J.R. Bloeser, S.R.M. Thomson and E.D. Watson LACK OF AN EFFECT OF PROSTAGLANDIN INJECTION AT ESTRUS ONSET ON THE TIME OF OVULATION AND ON REPRODUCTIVE PERFORMANCI IN WEANED SOWS J.L. Patterson, H.J. Willis, R.N. Kirkwooadn d G.R. Foxcroft OVULATIONO F AGED FOLLICLES DOESN OT AFFECT EMBRYO QUALITY OR FERTILITY AFTERA 14-DAY PROGESTAGEN ESTROUS SYNCHRONIZATION PROTOCOL IN EWES A.C.O. Evans, J.D. Flynn, K.M. Quinn, P. Duffy, P. Quinn, S. Madgwick, I.F. Crosby, M.P. Boland and A.P. Beard PENETRATION OF ZONA-FREE HAMSTER, BOVINE AND EQUINE OOCYTES BY STALLION AND BULL SPERMATOZOA PRETREATED WITH EQUINE FOLLICULAR FLUID, DILAUROYLPHOSPHATIDYLCHOLINE AND CALCIUM IONOPHORE A23187 F.C. Landim-Alvarenga, J.K. Graham, M.A. Alvarenga, G.E. Seidel, Jr. and E.L. Squires INTRACYTOPLASMIC SPERM INJECTION OF IN VITRO MATURED OOCYTESO F DOMESTIC CATS WITH FROZEN-THAWED EPIDIDYMAL SPERMATOZOA L. Bogliolo, G. Leoni, S. Ledda, S. Naitana, M. Zedda, 4. Carlucciaon d S. Pau Theriogenology VOLUME 56 —- CONTENTS INDEX OVARIAN RESPONSE, EMBRYO RECOVERY AND RESULTS OF EMBRYO TRANSFER IN A HUNGARIAN NATIVE PIG J. Ratky, K.-P. Briissow, L. Solti, H. Torner andP . Sarlos 1 October 2001, Volume 56, Number 6 FOREWORD V.M. Shille SUBJECT INDEX: VOLUME | (1974) TO VOLUME 50 (1998) 15 October 2001, Volume 56, Number 7 FOREWORD V.M. Shille AUTHOR INDEX: VOLUME | (1974) TO VOLUME 50 (1998) November 2001. Volume 56. Number 8 FOREWORD: An International Conference Commemorating the 50" Anniversary of the First Successful Embryo Transfer in the Pig C.R. Youngs RESEARCH ON INTERBREED OVA TRANSFER IN PIGS (translation reprint) O.V. Kvasnitsky PROGRESS IN REPRODUCTIVE BIOTECHNOLOGY IN SWINE H. Niemann and D. Rath STATE OF THE ART IN ARTIFICIAL INSEMINATION OF PIGS IN THE UNITED STATES W.L. Singleton FACTORS INFLUENCING THE SUCCESS OF EMBRYO TRANSFER IN THE PIG C.R. Youngs RECENT DEVELOPMENTS IN PIG EMBRYO TRANSFER W. Hazeleger and B. Kemp CRYOPRESERVATION OF SWINE EMBRYOS: A CHILLY PAST WITH A VITRIFYING FUTURE J.R. Dobrinsky TRANSGENIC TECHNOLOGY AND APPLICATIONS IN SWINE M.B. Wheeler and E.M. Walters THERIOGENOLOGY Guide for Authors 2002 December 2001, Volume 56, Number 9 Preface and Acknowledgments J.L. Rodrigues Theriogenology VOLUME 56 —- CONTENTS INDEX HANDLING AND CULTURE OF BOVINE EMBRYOS: SURVEY OF MEDIA USED BY 26 EMBRYO TRANSFER COMPANIES IN THE USA L.D. Nelson and C.F. Nelson SPLITTING AND BIOPSY FOR BOVINE EMBRYO SEXING UNDER FIELD CONDITIONS R.F.F. Lopes, F. Forell, A.T.D. Oliveira and J.L. Rodrigues PRACTICAL CONSIDERATIONSO F EMBRYO MANIPULATION PREIMPLANTATION GENETIC TYPING J.F. Garcia FACTORS AFFECTING FROZEN AND FRESH EMBRYO TRANSFER PREGNANCY RATEISN CATTLE J.F. Hasler USE OF PREGNANCY SPECIFIC PROTEINS AND PROGESTERONE ASSAYS TO MONITOR PREGNANCY AND DETERMINE THE TIMING, FREQUENCIES AND SOURCES OF EMBRYONIC MORTALITY IN RUMINANTS P. Humblot UTERINE-CONCEPTUS INTERACTIONS AND REPRODUCTIVE FAILURE IN CATTLE W.W. Thatcher, A. Guzeloglu, R. Mattos, M. Binelli, T.R. Hansen and J.K. Pru ANTI-LUTEOLYTIC STRATEGIES TO IMPROVE FERTILITY IN CATTLE M. Binelli, W.W. Thatcher, R. Mattos and P.S. Baruselli IDENTIFIED AND UNIDENTIFIED CHALLENGES FOR REPRODUCTIVE BIOTECHNOLOGIES REGARDING INFECTIOUS DISEASES IN ANIMAI AND PUBLIC HEALTH M. Thibier EMBRYO TRANSFER IN Bos indicus CATTLE C.M. Barros and M.F.G. Nogueira re 56 Subject Index 2001 Reviewer Appreciation THERIOGENOLOGY Guide for Autho