Contents of volume 41

REPS&ON SCIENCE ELSEVIER

Animal Reproduction

Science 41 (1996) 313-315

Contents of Animal Reproduction Science Volume 41 VOL. 41 NO. UANUARY

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Effect of inhibin immunisation using different synthetic peptide fragments of the bovine a,-subunit on plasma anti-inhibin titres, plasma FSH concentrations and the incidence of multiple ovulation in heifers E.C.L. Bleach, S. Muttukrishna, F.J. Cunningham, P.G. Knight and R.G. Glencross (Reading, UK). Treatment with recombinant bovine somatotrophin enhances ovarian follicle development and increases the secretion of insulin-like growth factor-1 by ovarian follicles in ewes J.G. Gong (Edinburgh, UK), B.K. Campbell (Roslin, UK), T.A. Bramley (Edinburgh, UK) and R. Webb (Roslin, UK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Enzyme leakage during cryopreservation of ram spermatozoa G.C. Upreti, S.R. Payne, D.M. Duganzich, J.E. Oliver and J.F. Smith (Hamilton, New Zealand). . . The effect of exogenous prolactin on lactation performance of first-litter sows given protein-deficient diets during the first pregnancy R.H. King, J.E. Pettigrew (St. Paul, MN, USA), J.P. McNamara (Pullman, WA, USA), J.P. McMurtry (Beltsville, MD, USA), T.L. Henderson, M.R. Hathaway and A.F. Sower (St. Paul, MN, USA)................................................... The relationship between the blood progesterone concentration at early metoestrus and uterine infection in the sow P.J.J. de Winter, M. Verdonck, A. de Kruif, M. Coryn, H.A. Deluyker, L.A. Devriese and F. Haesebrouck (Ghent, Belgium) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oxytocin receptors in the porcine endometrium during the estrous cycle and early pregnancy A. Okano (Ibaraki, Japan), K. Okuda (Okayama, Japan), M. Takahashi (Ibaraki, Japan) and D. Schams (Freising-Weihenstephan, Germany) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Guide for Authors.

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VOL. 41 NO. 2 Review Gonadotrophin heterogeneity and its role in farm animal reproduction D.J. Cooke, M.A. Crowe, J.F. Roche (Dublin, Ireland) and D.R. Headon (Galway,

FEBRUARY

Ireland)

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Research papers Significance of pregnancy rates to successive services to assess the fertility pattern of individual dairy herds G.S. Dhaliwal, R.D. Murray (Neston, UK), D.Y. Downham (Liverpool, UK) and H. Dobson (Neston,UK)............................................... Effects of milk yield, and calving to first service interval, in determining herd fertility in dairy cows G.S. Dhaliwal, R.D. Murray and H. Dobson (Neston, UK). . . . . . . . . . . . . . . . . . . . . . .

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Contents of Volume 41

Relationships between concentrations of ovarian steroids, insulin-like growth factor-l and IGF-binding proteins during follicular development in the ewe M. Khalid and W. Haresign (Loughborough, UK) . . . . . . . . . . . . . . . . . . . . . . . . . . . Determination of sex and chimaerism in the domestic sheep by DNA amplification using HMG-box and microsatellite sequences A. Ng (Cambridge, UK), K. Sathasivam (London, UK), S. Laurie and E. Notarianni (Cambridge, UK).................................................... Luteal support of pregnancy in red deer (Cervus elaphus): effect of cloprostenol, ovariectomy and lutectomy on the viability of the post-implantation embryo G.W. Asher, M.W. Fisher (Mosgiel, New Zealand), D.K. Berg (Hamilton, New Zealand), K.A. Waldrup and A.J. Pearse (Mosgiel, New Zealand) . . . . . . . . . . . . . . . . . . . . . . . . . . . VOL. 41 NO. 3,4

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Environmental factors affecting measurement of bovine scrotal surface temperature with infrared thermography J.P. Kastelic, R.B. Cook, G.H. Coulter, G.L. Wallins and T. Entz (Lethbridge, Alta., Canada) . . . . Influence of fenceline bull exposure on duration of postpartum anoestrus and pregnancy rate in beef cows K.E. Fike, E.G. Bergfeld, AS. Cupp, F.N. Kojima, V. Mariscal, T.S. Sanchez, M.E. Wehnnan and J.E. Kinder (Lincoln, NB, USA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Endocrine and testicular responses of prepubertal Zebu crossbred bulls to active immunization against testosterone H. JimBnez-Severiano, F. Jimenez-Krassel and M. Ment?ndez-Trejo (Quer&aro, Qro., Mexico) . . . Effect of recombinant bovine somatotropin on follicular growth and quality of oocytes in cattle A. Pavlok (LiWchov, Czech Republic), L. Koutecka (Louny, Czech Republic), P. Kre$i (Prague, Czech Republic), T. Slavik (LiWchov, Czech Republic), J. Cerman (Hradex Kdlovb, Czech Republic), J. Slaba (Prague, Czech Republic) and D. Dom (Louny, Czech Republic). . . . . . . . . Effects of removal of seminal plasma on the survival rate of buffalo bull spermatozoa M. Ahmad, A. Khan, Z.A. Shah and K.M. Ahmad (Faisalabad, Pakistan) . . . . . . . . . . . . . . . Relationship between nutritional stimulation of gonadotrophin secretion and the peripheral and cerebrospinal fluid (CSF) concentrations of glucose and insulin in rams R. Boukhliq, D.W. Miller (Nedlands, WA, Australia) and G.B. Martin (Wembley, WA, Australia) . Comparison between Sephadex G-10 and Percoll for preparation of normospermic, asthenospermic and frozen/thawed ram semen A. Valcarcel, M.A. de las Heras, D.F. Moses, L.J. Perez and H. Baldassarre (Buenos Aires, Argentina) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gestrous activity, ovulation rate and plasma melatonin concentrations in Rasa Aragonesa ewes maintained at two different and constant body condition score levels and implanted or reimplanted with melatonin Z. Rondon, F. Forcada, L. Zarazaga, J.A. Abecia and J.M. Lozano (Zaragoza, Spain) . . . . . . . . The effect of glutathione on the motility, enzyme leakage and fertility of frozen goat semen M.P. Sinha, A.K. Sinha, B.K. Singh and R.L. Prasad (Ranchi, India) . . . . . . . . . . . . . . . . . influence of food intake on plasma LH concentrations in multiparous sows M.A. Varley (Leeds, UK), G.R. Prime (Taunton, UK), H.W. Symonds (Leeds, UK) and G.R. Foxcroft (Edmonton, Alta., Canada). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Factors influencing the proportion of offspring from a second insemination in SOWS P.C. Vesseur (Rosmalen, Netherlands), B. Kemp (Wageningen, Netherlands) and L.A. Den Hattog (Rosmalen, Netherlands). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Effect of food deprivation during early pregnancy on endocrine changes in primiparous SOWS V.T. Tsuma, S. Einarsson, A. Madej, H. Kindahl and N. Lundeheim (Uppsala, Sweden). . . . . . . Hemicastration of neonatal boars: hormonal responses and testicular messenger RNA for insulin-like growth factor-l A.M. Clark (University Park, PA, USA), SE. Samaras, J.M. Hammond (Hershey, PA, USA), K.A. Bryan and D.R. Hagen (University Park, PA, USA) . . . . . . . . . . . . . . . . . . . . . . . . . .

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Contents o~j‘Volume 41 Effect of exogenous porcine prolactin (pPRL) on LH plasma concentration in vitro from the stalk median eminence in prepubertal gilts B. Jana, L. Dusza and J. Sobczak (Olsztyn, Poland) . . . . . . . . .

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Short communication Vaginal mucus conductivity as measured by the Walsmeta MKIV does not accurately predict moment of ovulation or the optimum time for insemination in sows . . .. .. . .. . . .. S.J.H. Stokhof, N.M. Soede and B. Kemp (Wageningen, Netherlands) Acknowledgement

to referees

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