Anim Reprod, 5-30, October/December, 2004 The role of estrogen in testis and the male reproductive tract: a review and species comparison R. A. Hess, K. Carnes

Anim Reprod, 31-44, October/December, 2004 Seasonal influence on equine follicle dynamics O. J. Ginther, E. L. Gastal, M. O. Gastal, M. A. Beg

Anim Reprod, 45-63, October/December, 2004 Follicle dynamics and selection in mares O. J. Ginther, M. A. Beg, M. O. Gastal, E. L. Gastal

Anim Reprod, 64-85, October/December, 2004 Genes in genital malformations and male reproductive health P. K. Basrur, V. R. Basrur

Anim Reprod, 86-90, October/December, 2004 Fertilization rate and embryo quality in superovulated Holstein heifers artificially inseminated with X-sorted or unsorted sperm R. Sartori, A.H. Souza, J.N. Guenther, D.Z. Caraviello, L.N. Geiger, J.L. Schenk, M.C. Wiltbank

Anim Reprod, 91-95, October/December, 2004 Transfer of equine embryos into anovulatory recipients supplemented with short or long acting progesterone A.N. Rocha Filho, M.A. Pessôa, M.M. Gioso, M.A. Alvarenga

Anim Reprod, 96-105, October/December, 2004 Calcium influx into equine and bovine spermatozoa during in vitro capacitation1 F.C. Landim-Alvarenga, J.K. Graham, M.A. Alvarenga, E.L. Squires

Anim Reprod, 106-110, October/December, 2004 Reproductive performance of sows submitted to intrauterine insemination at different pre-ovulatory intervals P.E. Bennemann, E. Milbradt, G.N. Diehl, D. Weber, A.C.T. Schimidt, M.L. Bernardi, I. Wentz, F.P. Bortolozzo

Anim Reprod, 111-114, October/December, 2004 Influence of the lactation length in the subsequent litter size of sows E.P. Costa, W.S. Amaral Filha, A.H.A.Costa, F.F. Carvalho, A.K.Santos, A.F. Silva

Anim Reprod, 115-121, October/December, 2004 Relationships between body condition and follicle development in mares1 M.O. Gastal, E.L. Gastal, V. Spinelli, O.J. Ginther

Anim Reprod, 122-128, October/December, 2004 Sertoli cell efficiency and daily sperm production in goats (Capra hircus) M. C. Leal, S. C. Becker-Silva, H. Chiarini-Garcia, L. R. França

Anim Reprod, 129-129, October/December, 2004 Editorial Board and Journal Information