Table Of Content

ELSEVIER THERIOGENOLOGY CONTENTS INDEX FOR VOLUME 50, 1998 1 July 1998, Volume 50, Number 1 CHILLING SENSITIVITY OF CARP (Cyprinus carpio) EMBRYOS AT DIFFERENT DEVELOPMENTAL STAGES IN THE PRESENCE OR ABSENCE OF CRYOPROTECTANTS: WORK IN PROGRESS A. Dinnyés, B. Urbanyi, B. Baranyai and I. Magyary GAMETE RECOVERY AND FOLLICULAR TRANSFER (GRAFT) USING TRANSVAGINAL ULTRASONOGRAPHY IN CATTLE D.R. Bergfelt, G.M. Brogliatti and G.P. Adams COMPUTER ASSISTED MORPHOMETRIC ANALYSIS OF RAM SPERM HEADS: EVALUATION OF DIFFERENT FIXATIVE TECHNIQUES M. Sancho, F. Pérez-Sanchez, L. Tablado, J.J. de Monserrat and C. Soler MORPHOLOGY OF PORCINE CUMULUS-OOCYTE-COMPLEXES DEPENDS ON THE STAGE OF PREOVULATORY MATURATION H. Torner, K.-P. Briissow, H. Alm, J. Ratky and W. Kanitz DIFFERENCES IN UTERINE POSITION OF REPRODUCTIVELY NORMAL MARES AND THOSE WITH DELAYED UTERINE CLEARANCE DETECTED BY SCINTIGRAPHY M.M. LeBlanc, L. Neuwirth, L. Jones, C. Cage and D. Mauragis LUTEAL FUNCTION AND ESTRUS IN PERIPUBERTAL BEEF HEIFERS TREATED WITH AN INTRAVAGINAL PROGESTERONE RELEASING DEVICE WITH OR WITHOUT A SUBSEQUENT INJECTION OF ESTRADIOL R.J. Rasby, M.L. Day, S.K. Johnson, J.E. Kinder, J.M. Lynch, R-E. Short, R.P. Wettemann and H.D. Hafs EFFECT OF INJECTION OF B-CAROTENE OR VITAMIN E AND SELENIUM ON FERTILITY OF LACTATING DAIRY COWS C.F. Aréchiga, S. Vazquez-Flores, O. Ortiz, J. Hernandez-Ceron, A. Porras, L.R. McDowell and P.J. Hansen COMPARISON OF ULTRASONOGRAPHY, BOVINE PREGNANCY-SPECIFIC PROTEIN B, AND BOVINE PREGNANCY-ASSOCIATED GLYCOPROTEIN 1 TESTS FOR PREGNANCY DETECTION IN DAIRY COWS O. Szenci, J.F. Beckers, P. Humblot, J. Sulon, G. Sasser, M.A.M. Taverne, J. Varga, R. Baltusen and Gy Schekk Theriogenology 50:1313-1325, 1998 0093-69 1X/98/$ 19.00 © 1998 by Elsevier Science Inc CONTENTS VOLUME 50 COMPARISON OF ULTRASOUND-GUIDED VS LAPAROSCOPIC TRANSVAGINAL OVUM PICK-UP (OPU) IN SIMMENTAL HEIFERS B. Sant], H. Wenigerkind, W. Schernthaner, J. Médl, M. Stojkovic, K. Prelle, W. Holtz, G. Brem and E. Wolf RELATIONSHIP BETWEEN PERIPHERAL ESTROGEN CONCENTRATIONS AT INSEMINATION AND SUBSEQUENT FETAL LOSS IN CATTLE L.S. Shore, C. Rios, S. Marcus, M. Bernstein and M. Shemesh EXPOSURE OF IN VITRO-PRODUCED BOVINE EMBRYOS TO FOOT-AND-MOUTH DISEASE VIRUS B. Marquant-Le Guienne, M. Rémond, R. Cosquer, P. Humblot, C. Kaiser, F. Lebreton, C. Cruciére, B. Guerin, J. Laporte and M. Thibier CAN SPERMATOZOA WITH ABNORMAL HEADS GAIN ACCESS TO THE OVUM IN ARTIFICIALLY INSEMINATED SUPER- AND SINGLE-OVULATING CATTLE? R.G. Saacke, J.M. DeJarnette, J.H. Bame, D.S. Karabinus and S.S. Whitman NORMAL CALVES FROM TRANSFER OF BIOPSIED, SEXED AND VITRIFIED 129 IVP BOVINE EMBRYOS Y. Agca, R.L. Monson, D.L. Northey, D.E. Peschel, D.M. Schaefer and J.J. Rutledge TRANSFER OF FRESH AND CRYOPRESERVED IVP BOVINE EMBRYOS: NORMAL CALVING, BIRTH WEIGHT AND GESTATION LENGTHS Y. Agca, R.L. Monson, D.L Northey, O. Abas Mazni, D.M. Schaefer and J.J. Rutledge EFFECT OF DIFFERENT GLYCEROL TREATMENTS ON FROZEN-THAWED DOG SPERM LONGEVITY AND ACROSOMAL INTEGRITY A.L. Peiia, F. Barrio, L.A. Quintela and P.G. Herradon 15 July 1998, Volume 50, Number 2 BOOK REVIEW: "ALLEN'S FERTILITY AND OBSTETRICS IN THE DOG" by G.C.W. England V.M. Shille ENDOCRINE AND THERMAL RESPONSES TO GnRH TREATMENT AND PREDICTION OF SPERM OUTPUT AND VIABILITY IN HOLSTEIN-FRIESIAN BREEDING BULLS G. Gabor, R.G. Sasser, J.P. Kastelic, G.H. Coulter, D.O. Everson, G. Falkay, M. Mézes, S. Bozo, R.B. Cook, J. V6lgyi Csik, 1. Barany and F. Szasz, Jr. Theriogenology CONTENTS VOLUME 50 HETEROLOGOUS FERTILIZATION TO CHARACTERIZE SPERMATOZOA OF THE GENUS Bos J.A. McHugh and J.J. Rutledge PRELIMINARY RESULTS OF HEMIZONA ASSAY (HZA) AS A FERTILITY TEST FOR CANINE SPERMATOZOA A.M. Mayenco-Aguirre and A.B. Pérez-Cortés SEPARATION OF MOTILE SPERMATOZOA FROM FROZEN-THAWED BUFFALO SEMEN: SWIM-UP VS FILTRATION PROCEDURES G. Mustafa, M. Anzar and M. Arslan THE ISOLATION AND IN VITRO CULTURE OF BOVINE PREANTRAL AND EARLY ANTRAL FOLLICLES OF DIFFERENT SIZE CLASSES L. Katska and B. Rynska COMPUTER ANALYSIS OF VIDEO AND ULTRASONOGRAPHIC IMAGES FOR EVALUATION OF BULL TESTES G. Gabor, R.G. Sasser, J.P. Kastelic, M. Mézes, Gy. Falkay, S. Boz0, J. Vilgyi Csik, I. Barany, A. Hidas, F. Szasz, Jr. and G. Boros DELAYED INSEMINATION IS SUCCESSFUL WITH A NEW EXTENDER FOR STORING FRESH EQUINE SEMEN AT 15°C UNDER AEROBIC CONDITIONS F. Batellier, G. Duchamp, M. Vidament, G. Arnaud, E. Palmer and M. Magistrini PREGNANCY-SPECIFIC ELEVATIONS IN FECAL CONCENTRATIONS OF ESTRADIOL, TESTOSTERONE AND PROGESTERONE IN THE DOMESTIC DOG (Canis familiari D-F. Gudermuth, P.W. Concannon, P.F. Daels and B.L. Lasley EFFECTS OF ARTERIAL INFUSIONS OF ADRENALIN AND ACETYLCHOLINE ON LUTEAL SECRETION OF PROGESTERONE AND OXYTOCIN IN GOATS R.G. Cooke and J.H. Payne MEASUREMENT OF EARLY PREGNANCY FACTOR ACTIVITY FOR MONITORING THE VIABILITY OF THE EQUINE EMBRYO M. Takagi, K. Nishimura, N. Oguri, K. Ohnuma, K. Ito, J. Takahashi, Y. Yasuda, K. Miyazawaand K. Sato FETAL SEX DETERMINATION BY ULTRASONICALLY LOCATING THE GENITAL TUBERCLE IN EWES C.A. Coubrough and M.C. Castell CONTENTS VOLUME 50 INTRACELLULAR CALCIUM RESPONSES IN BOVINE OOCYTES INDUCED BY SPERMATOZOA AND BY REAGENTS K. Nakada and J. Mizuno CIRCADIAN AND PULSATILE VARIATIONS IN PLASMA LEVELS OF INHIBIN, FSH, LH AND TESTOSTERONE IN ADULT MURRAH BUFFALO BULLS V.D. Dixit, B. Singh, P. Singh, G.C. Georgie, M.M. Galhotraan d V.P. Dixit BACTERIA IN SEMEN USED FOR IVF AFFECT EMBRYO VIABILITY BUT CAN BE REMOVED BY STRIPPING CUMULUS CELLS BY VORTEXING LH. Kim, D.S. Son, H.J. Lee, B.C. Yang, D.W. Lee, G.H. Suh, K.W. Lee and S.C. Jung THE EFFECT OF REDUCING HINDQUARTER ELEVATION TIME AFTER ARTIFICIAL INSEMINATION IN BITCHES C.R-F. Pinto, B.E. Eilts and D.L. Paccamonti EVALUATION OF FLUIDS FROM CYSTIC FOLLICLES FOR IN VITRO MATURATION AND FERTILIZATION OF BOVINE OOCYTES M. Takagi, Y.H. Choi, H. Kamishita, M. Ohtani, T.J. Acosta, M.P.B. Wijayagunawardane, A. Miyamoto, K. Miyazawa, K. Sato and E. Sato IMMUNOLOCALIZATION OF P450C17 IN THE MARE CORPUS LUTEUM F.E. Rodger, P.J. Illingworth and E.D. Watson ERRATUM August 1998, Volume 50, Number 3 BOOK REVIEW: "ULTRASONIC IMAGING AND ANIMAL REPRODUCTION: CATTLE" by O.J. Ginther V.M. Shille QUANTITATIVE ECHOTEXTURE ANALYSIS OF BOVINE OVARIAN FOLLICLES J.W. Tom, R.A. Pierson and G.P. Adams POSSIBLE ROLE FOR PHOSPHATIDYLINOSITOL 3-KINASE IN REGULATING MEIOTIC MATURATION OF BOVINE OOCYTES IN VITRO M-K.I. Anas, M. Shimada and T. Terada SUPEROVULATORY RESPONSE OF MURCIANA GOATS TO TREATMENTS BASED ON PMSG/ANTI-PMSG OR COMBINED FSH/PMSG ADMINISTRATION B. Pintado, A. Gutiérrez-Adan and B. Pérez Llano Theriogenology CONTENTS VOLUME 50 EFFECTS OF ANTIOXIDANTS ON THE DEVELOPMENT OF BOVINE IVM/IVF EMBRYOS IN VARIOUS CONCENTRATIONS OF GLUCOSE H. Iwata, S. Akamatsu, N. Minami and M. Yamada FOLLICULAR ACTIVITY AND OVULATION REGULATED BY EXOGENOUS PROGESTAGEN AND PMSG IN ANESTROUS EWES V. Leyva, B.C. Buckrell and J.S. Walton REGULATION OF FOLLICULAR ACTIVITY AND OVULATION IN EWES BY EXOGENOUS PROGESTAGEN V. Leyva, B.C. Buckrell and J.S. Walton EFFECT OF PROTEIN SYNTHESIS INHIBITION BEFORE OR DURING IN VITRO MATURATION ON SUBSEQUENT DEVELOPMENT OF BOVINE OOCYTES P. Lonergan, T. Fair, H. Khatir, G. Cesaroni and P. Mermillod PREMATURE ELEVATION OF PROGESTERONE SHORTENS DURATION OF OVULATION IN PMSG/hCG-TREATED PREPUBERAL GILTS S. Duanyai and A. Srikandakumar EFFECT OF DIFFERENT PROSTAGLANDINS ON INTRAUTERINE PRESSURE AND UTERINE MOTILITY DURING DIESTRUS IN EXPERIMENTAL COWS G. Hirsbrunner, U. Kiipfer, H. Burkhardt and A. Steiner AN ABATTOIR SURVEY OF OVINE REPRODUCTIVE TRACTS IN IRELAND R.A. Alosta, L. Vaughan and J.D. Collins HORMONAL AND IMMUNOLOGICAL CHANGES IN BLOOD AND MAMMARY SECRETION IN THE SOW AT PARTURITION 1. Osterlundh, H. Holst and U. Magnusson THE INFLUENCE OF INSULIN ADMINISTRATION AFTER WEANING THE FIRST LITTER ON OVULATION RATE AND EMBRYO SURVIVAL IN SOWS N.C. Whitley, D.B. Payne, H. Zhang and N.M. Cox COMPARISON OF ASSESSMENT OF FOWL SPERM VIABILITY BY EOSIN-NIGROSIN AND DUAL FLUORESCENCE (SYBR-14/PI) T. Chalah and J.P. Brillard CONTENTS VOLUME 50 CRYOPRESERVATION OF IN VITRO-PRODUCED BOVINE EMBRYOS: EFFECTS OF PROTEIN TYPE AND CONCENTRATION DURING FREEZING OR OF LIPOSOMES DURING CULTURE ON POST-THAW SURVIVAL P.A. Pugh, A.E.L. Ankersmit, L.T. McGowan and H.R. Tervit September 1998, Volume 50, Number 4 PULSATILITY OF SYSTEMIC FSH AND LH CONCENTRATIONS DURING FOLLICULAR-WAVE DEVELOPMENT IN CATTLE O.J. Ginther, D.R. Bergfelt, LJ. Kulick and K. Kot EFFECT OF OXYTOCIN, PROSTAGLANDIN F2a, AND CLENBUTEROL ON UTERINE DYNAMICS IN MARES M.O. Gastal, E.L. Gastal, C.A.A. Torres and O.J. Ginther CHARACTERIZATION OF LOWER TEMPERATURE STORAGE LIMITATIONS OF FRESH-EXTENDED PORCINE SEMEN G.C. Althouse, M.E. Wilson, C. Kuster and M. Parsley EFFECT OF PASSIVE IMMUNIZATION AGAINST INHIBIN ON FSH SECRETION, FOLLICULOGENESIS AND OVULATION RATE DURING THE FOLLICULAR PHASE OF THE ESTROUS CYCLE IN MARES Y. Nambo, H. Kaneko, S. Nagata, M. Oikawa, T. Yoshihara, N. Nagamine, G. Watanabe and K. Taya BACTERIOLOGY OF PRESERVED STALLION SEMEN AND ANTIBIOTICS IN SEMEN EXTENDERS D.D. Varner, C.M. Scanlan, J.A. Thompson, G.W. Brumbaugh, T.L. Blanchard, C.M. Carlton and L. Johnson EFFECTS OF REPEATED ULTRASOUND-GUIDED TRANSVAGINAL FOLLICULAR ASPIRATION ON BOVINE OOCYTE RECOVERY AND SUBSEQUENT FOLLICULAR DEVELOPMENT A. Garcia and M. Salaheddine PUBERTY AND SERUM CONCENTRATIONS OF OVARIAN STEROIDS DURING PREPUBERAL PERIOD IN FRIESIAN HEIFERS ARTIFICIALLY INFECTED WITH Fasciola hepatica M.C. Lépez-Diaz, M.C. Carro, C. Cadérniga, P. Diez-Bafioasn d M. Mezo SERUM PROGESTERONE AND 17B-ESTRADIOL CONCENTRATIONS DURING PREGNANCY OF BACTRIAN CAMEL (Camelus bactrianus) X.X. Zhao, Y. Zhang and B.X. Chen Theriogenology CONTENTS VOLUME 50 THE INFLUENCE OF FATNESS ON THE LIKELIHOOD OF EARLY-WINTER PREGNANCY IN MUSKOXEN (Ovibos moschatus) J.Z. Adamczewski, P.J. Fargey, B. Laarveld, A. Gunn and P.F. Flood CRYOPRESERVATION AND ENSUING IN VITRO FERTILIZATION ABILITY OF BOAR SPERMATOZOA FROM EPIDIDYMIDES STORED AT 49°C K. Kikuchi, T. Nagai, N. Kashiwazaki, H. Ikeda, J. Noguchi, A. Shimada, E. Soloy and H. Kaneko VERIFICATION OF FLOW CYTOMETORICALLY-SORTED X- AND Y-BEARING PORCINE SPERMATOZOA AND REANALYSIS OF SPERMATOZOA FOR DNA CONTENT USING THE FLUORESCENCE IN SITU HYBRIDIZATION (FISH) TECHNIQUE T. Kawarasaki, G.R. Welch, C.R. Long, M. Yoshida and L.A. Johnson RATE OF TRANSPORT AND DEVELOPMENT OF PREIMPLANTATION EMBRYO IN THE SUPEROVULATED BUFFALO (Bubalus bubalis) A.K. Misra, R. Kasiraj, M. Mutha Rao, N.S. Rangareddy, R.S. Jaiswal and H.C. Pant EFFECT OF KININASE II INHIBITORS ON BRADYKININ-STIMULATED BOVINE SPERM MOTILITY B. Somlev and M. Subev EFFECTS OF SUPEROVULATION, CULTURE AND MICROINJECTION ON DEVELOPMENT OF RABBIT EMBRYOS IN VITRO P. Chrenek, A. Makarevich, D. Vasicek, J. Laurincik, J. Bulla, T. Gajarska and J. Rafay EFFECTS OF TEMPERATURE GRADIENTS ON IN VITRO MATURATION OF BOVINE OOCYTES D.S. Shi, B. Avery and T. Greve PREVENTION OF INCUBATION BEHAVIOR EXPRESSION IN TURKEY HENS BY ACTIVE IMMUNIZATION AGAINST PROLACTIN S. Criséstomo, D. Guémené, M. Garreau-Mills, C. Morvan and D. Zadworny 1 October 1998, Volume 50, Number 5 BOOK REVIEW: “Artificial Insemination to Cloning” by Robert H. Foote G.E. Seidel Theriogenology CONTENTS VOLUME 50 FERTILITY COMPARISON BETWEEN BREEDING AT 24 HOURS OR AT 24 AND 48 HOURS AFTER COLLECTION WITH COOLED EQUINE SEMEN M.D. Shore, M.L. Macpherson, G.B. Combes, D.D. Varner and T.L. Blanchard COMPARISON OF BACTERIOLOGICAL QUALITIES OF VARIOUS EGG YOLK SOURCES AND THE IN VITRO AND IN VIVO FERTILIZING POTENTIAL OF BOVINE SEMEN FROZEN IN EGG YOLK OR LECITHIN BASED DILUENTS S. Bousseau, J.P. Brillard, B.M arquant-Le Guienne, B. Guerin, A. Camus and M. Lechat COMPARATIVE EFFECTS OF EARLY WEANING OR ONCE-DAILY SUCKLING ON OCCURRENCE OF POSTPARTUM ESTRUS IN PRIMIPAROUS BEEF COWS D.J. Bell, J.C. Spitzer and G.L. Burns WASHING AND TRYPSIN TREATMENT OF IN VITRO DERIVED BOVINE EMBRYOS EXPOSED TO BOVINE VIRAL DIARRHEA VIRUS E. Trachte, D. Stringfellow, K. Riddell, P. Galik, M. Riddell,J r. and J.W right PERIPUBERAL SEXUAL DEVELOPMENT OF PANTANEIRO STALLIONS M.LV. Melo, J.R.B. Sereno, M. Henry and G.D. Cassali TUBAL TRANSFER OF BOVINE EMBRYOS: A SIMPLE ENDOSCOPIC METHOD REDUCING LONG-TERM EXPOSURE OF IN VITRO PRODUCED EMBRYOS U. Besenfelder and G. Brem PRESENCE OF B-MERCAPTOETHANOL CAN INCREASE THE GLUTATHIONE CONTENT OF PIG OOCYTES MATURED IN VITRO AND THE RATE OF BLASTOCYST DEVELOPMENT AFTER IN VITRO FERTILIZATION L.R. Abeydeera, W.H. Wang, T.C. Cantley, R.S. Prather and B.N. Day IN VITRO EVALUATION AND PREGNANCY RATES AFTER VITRIFICATION OF IN VITRO-PRODUCED BOVINE EMBRYOS A.G. Martinez, D.G. de Matos, C.C. Furnus and G.M. Brogliatti NONCYTOPATHOGENIC BOVINE VIRAL DIARRHEA VIRUS (BVDV) REDUCES CLEAVAGE BUT INCREASES BLASTOCYST YIELD OF IN VITRO PRODUCED EMBRYOS P_J. Booth, M.E. Collins, L. Jenner, H. Prentice, J. Ross, J.H. Badsberagn d J. Brownlie Theriogenology CONTENTS VOLUME 50 ENDOMETRIAL SUPPRESSOR CELLS IN BEEF CATTLE S.A. Shipp and E.C. Segerson A PROCEDURE FOR POITOU JACKASS SPERM CRYOPRESERVATION A. Trimeche, P. Renard and D. Tainturier ERRATUM: SPERM TRANSPORT AND SURVIVAL IN THE MARE: A REVIEW M.H.T. Troedsson, I.K.M. Liu and B.G. Crabo ERRATUM 15 October 1998, Volume 50, Number 6 CONCENTRATIONS OF TOTAL PROTEIN, ALBUMIN AND IMMUNOGLOBULINS IN UNDILUTED UTERINE FLUID OF GYNECOLOGICALLY HEALTHY MARES A-M. Tunon, H. Rodriguez-Martinez, C. Hultén, A. Nummijarvi and U. Magnusson EFFECTIVENESS OF TWO SYSTEMS FOR TRANSPORTING EQUINE SEMEN L. Malmgren EFFECT OF PRESENCE OF A DOMINANT FOLLICLE ON THE SUPEROVULATORY RESPONSE IN BUFFALO (Bubalus bubalis) R.S. Manik, S.K. Singla, P. Palta and M.L. Madan SERUM IMMUNOGLOBULIN TYPE G CONCENTRATIONS IN CALVES PRODUCED BY IVF AND DELIVERED BY ELECTIVE CESAREAN SECTION T.L. Bailey, W.D. Whittier, J.M. Murphy, G.G. Schurig, A.L. Riva, W.S. Swecker, K.D. Pelzer, R.T. Bass, D. Caudell and W. Eyestone DETERMINATION OF ACROSIN ACTIVITY OF BOAR SPERMATOZOA BY THE CLINICAL METHOD: OPTIMIZATION OF THE ASSAY AND CHANGES DURING SHORT-TERM STORAGE OF SEMEN J. Glogowski, W. Demianowicz, B. Piros and A. Ciereszko GROWTH HORMONE PRIMING AS AN ADJUNCT TREATMENT IN SUPEROVULATORY PROTOCOLS IN THE EWE ALTERS FOLLICLE DEVELOPMENT BUT HAS NO EFFECT ON OVULATION RATE LM. Joyce, M. Khalid and W. Haresign CELLULAR COMPOSITION AND VIABILITY OF DEMI- AND QUARTER- EMBRYOS MADE FROM BISECTED BOVINE MORULAE AND BLASTOCYSTS PRODUCED IN VITRO G.-J. Rho, W.H. Johnson and K.J. Betteridge CONTENTS VOLUME 50 USE OF PROSTAGLANDIN E, TO RIPEN THE CERVIX OF THE MARE PRIOR TO INDUCTION OF PARTURITION S. Rigby, C. Love, K. Carpenter, D. Varner and T. Blanchard SYNCHRONIZATION OF ESTRUS WITH PGF,,, ADMINISTERED 18 DAYS AFTER A PROGESTERONE TREATMENT IN LACTATING DAIRY COWS Z.Z. Xuand L.J. Burton KINETICS OF NUCLEAR MATURATION AND PROTEIN PROFILES OF OOCYTES FROM PREPUBERTAL AND ADULT CATTLE DURING IN VITRO MATURATION H. Khatir, P. Lonergan and P. Mermillod IMMUNOHISTOCHEMICAL LOCALIZATION OF EPIDERMAL GROWTH FACTOR, TRANSFORMING GROWTH FACTOR-a AND GROWTH FACTOR-fs IN THE CAPRINE PERI-IMPLANTATION PERIOD J.M. Flores, M.A. Sanchez, P. Garcia, B. Sanchez and A. Nieto THYROTROPIN STIMULATES PROGESTERONE SECRETION BY LUTEAL CELLS BY ACTIVATION OF THE CAMP/PROTEIN KINASE A SIGNALING SYSTEM: A POTENTIAL INVOLVEMENT OF PROTEIN KINASE C E.L. Gregoraszezuk and A.J. Ziecik THE RELATIONSHIP OF INCREASED SUSCEPTIBILITY OF SPERM DNA TO DENATURATION AND FERTILITY IN THE STALLION C.C. Love and R.M. Kenney MORPHOLOGY OF SPERMATOZOA IN THE CAUDA EPIDIDYMIDIS BEFORE AND AFTER ELECTROEJACULATION AND A COMPARISON WITH EJACULATED SPERMATOZOA IN THE DOMESTIC CAT E. Axnér, B. Strém Holst and C. Linde-Forsberg November 1998, Volume 50, Number 7 BIRTH OF PIGLETS PRESELECTED FOR GENDER FOLLOWING IN VITRO FERTILIZATION OF IN VITRO MATURED PIG OOCYTES BY X AND Y CHROMOSOME BEARING SPERMATOZOA SORTED BY HIGH SPEED FLOW CYTOMETRY L.R. Abeydeera, L.A. Johnson, G.R. Welch, W.H. Wang, A.C. Boquest, T.C. Cantley, A. Rieke and B.N. Day EFFECT OF PGE2 ON UTERINE CONTRACTILITY AND TONE IN MARES M.O. Gastal, E.L. Gastal, C.A.A. Torres and O.J. Ginther