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Nichi M ; BOLS, P. E. J. ; Züge R.M. ; Barnabe V.H. ; Goovaerts I. G. F. ; Barnabe R. C. ; Cortada C.N.M. . Seasonal variation in sperm quality in Bos indicus and Bos taurus bulls raised under tropical conditions.. Theriogenology , v. 66, p. 822-828, 2006.
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De Roover R. ; BOLS, P. E. J. ; Hanzen C . Effects of ovum pick-up frequency, FSH stimulation and in vitro culture conditions: a retrospective study on seven years of beef cattle embryo production.. Reproduction in Domestic Animals , v. 1, p. 1-8, 2006.
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Goovaerts I. G. F. ; Hoflack G.G. ; Van Soom A. ; Dewulf J. ; Nichi M ; De Kruif A ; BOLS, P. E. J. . Evaluation of epididymal semen quality using the Hamliton-Thorne analyser indicates variation between the two caudae epididymides of the same bull.. Theriogenology , v. 66, p. 323-330, 2006.
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Chaubal S.A. ; Molina J.A. ; Ohlrichs C.L. ; Ferre L.B. ; Faber D.C. ; BOLS, P. E. J. ; Riesen J.W. ; Tian W ; Yang X. . Comparison of different transvaginal ovum pick-up protocols to optimise oocyte retrieval and embryo production over a 10-week period in cows.. Theriogenology , v. 65, p. 1631-1648, 2006.
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Van Bergen T ; Aerts JMJ ; Goovaerts I. G. F. ; BOLS, P. E. J. . De (geassisteerde) voortplanting bij de gedomesticeerde geit (Capra hircus): een overzicht.. Vlaams Dierengeneeskundig Tijdschrift , v. 1, p. 1-8, 2006.
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Viana J.H.M. ; BOLS, P. E. J. . Biologic variables associated with cumulus oocyte complex recovery using follicular aspiration.. Acta Scientiae Veterinariae (Online) , v. 33, p. 1-4, 2005.
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Leroy J.L.M.R. ; BOLS, P. E. J. ; Opsomer G. ; Van Soom A. ; De Kruif A . Ovum pick-up as the ideal technique to study the intrafollicular environment and oocyte quality in high yielding dairy cows.. Acta Scientiae Veterinariae (Online) , v. 33, p. 5-18, 2005.
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BOLS, P. E. J. ; Leroy J.L.M.R. ; Viana J.H.M. . Technical and biological aspects of ultrasound-guided transvaginal oocyte retrieval in the cow: an overview.. Acta Scientiae Veterinariae (Online) , v. 33, p. 103-118, 2005.
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Leroy J.L.M.R. ; Opsomer G. ; BOLS, P. E. J. ; De Kruif A ; Van Soom A. . Comparison of embryo quality in high-yielding dairy cows, in dairy heifers and in beef cows.. Theriogenology , v. 64, p. 2022-2036, 2005.
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Aerts J.M.J. ; Marijke Oste ; BOLS, P. E. J. . Development and practical applications of a method for repeated transvaginal ultrasound-guided biopsy collection of the bovine ovary.. Theriogenology , v. 64, p. 947-957, 2005.
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De Roover R. ; BOLS, P. E. J. ; Genicot G. ; Hanzen C . Characterisation of low, medium and high responders following FSH stimulation prior to ultrasound-guided transvaginal oocyte retrieval in cows.. Theriogenology , v. 63, p. 1902-1913, 2005.
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De Roover R. ; Genicot G. ; Leonard P. ; BOLS, P. E. J. ; Dessy F. . Ovum Pick-Up and In Vitro embryo production in cows superstimulated with an individually adapted superstimulation protocol.. Animal Reproduction Science , v. 86, p. 13-25, 2005.
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Aerts J.M.J. ; BOLS, P. E. J. . Nieuwe inzichten in de follikulaire dynamiek, een overzicht met speciale aandacht voor het rund. Deel II: antrale ontwikkeling.. Vlaams Dierengeneeskundig Tijdschrift , v. 73, p. 250-259, 2004.
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Aerts J.M.J. ; BOLS, P. E. J. . Nieuwe inzichten in de follikulaire dynamiek, een overzicht met speciale aandacht voor het rund. Deel I: pre-antrale ontwikkeling.. Vlaams Dierengeneeskundig Tijdschrift , v. 73, p. 238-249, 2004.
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Leroy J.L.M.R. ; Vanholder T. ; Delanghe J.R. ; Opsomer G. ; Van Soom A. ; BOLS, P. E. J. ; Dewulf J. ; De Kruif A . Metabolic changes in follicular fluid of the dominant follicle in high-yielding dairy cows early post partum.. Theriogenology , v. 62, p. 1131-1143, 2004.
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BOLS, P. E. J. ; Leroy J.L.M.R. ; Vanholder T. ; Van Soom A. . A comparison of a mechanical sector and a linear array transducer for ultrasound-guided transvaginal oocyte retrieval (OPU) in the cow.. Theriogenology , v. 62, p. 906-914, 2004.
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Leroy J.L.M.R. ; Vanholder T. ; Delanghe J.R. ; Opsomer G. ; Van Soom A. ; BOLS, P. E. J. ; De Kruif A . Metabolite and ionic composition of follicular fluid during follicular growth in correlation with serum concentrations in dairy cows.. Animal Reproduction Science , v. 80, p. 201-211, 2004.
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Aerts JMJ ; BOLS, P. E. J. . Belangrijke voortplantingskarakteristieken en mogelijkheden van geassisteerde voortplanting bij de waterbuffel (Bubalus bubalis): een overzicht.. Vlaams Dierengeneeskundig Tijdschrift , v. 72, p. 283-294, 2003.
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De Roover R. ; Genicot G. ; Leonard P. ; Denis E. ; Feugang J.M. ; BOLS, P. E. J. ; Massip A. ; Dessy F. . Vier jaar Ovum Pick Up (OPU) en In Vitro fertilisatie (IVF) bij donoren van het Belgisch Wit-Blauwe ras.. Vlaams Dierengeneeskundig Tijdschrift , v. 72, p. 348-358, 2003.
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BOLS, P. E. J. . Transvaginal Ovum Pick-Up in the cow.. In: Rodolfo Luzbel de la Sota, Gabriel Amilcar Bo. (Org.). Bovine Theriogenology. : , 2006, v. , p. -.
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BOLS, P. E. J. . Punción follicular (Ovum Pick-up, OPU) en la vaca (update).. In: Palma GA.. (Org.). Biotecnología de la Reproducción. Buenos Aires: INTA, 2006, v. , p. -.
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BOLS, P. E. J. . Punción follicular (Ovum Pick-up, OPU) en la vaca.. In: PALMA, G.A.. (Org.). Biotecnología de la Reproducción. 1ed.INTA: Buenos Aires, 2001, v. , p. 193-224.
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Leroy J.L.M.R. ; Vanholder T. ; Delanghe J.R. ; Opsomer G. ; Van Soom A. ; BOLS, P. E. J. ; Dewulf J. ; De Kruif A . Transvaginal ultrasound-guided follicle aspiration in high producing dairy cattle to study the oocyte s intra-follicular environment early postpartum.. In: 15th International Congress on Animal Reproduction, 2004, Porto Seguro. Proceedings of the 15th International Congress on Animal Reproduction. p. 44-50.
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BOLS, P. E. J. ; Vanholder T. ; Leroy J.L.M.R. ; Aerts J.M.J. ; Van Soom A. . Ultrasound-guided transvaginal injection of a low dose of FSH-LH into the bovine ovary as an alternative way to stimulate follicular growth: preliminary results.. In: 2004 International Embryo Transfer Society Annual Conference, 2004, Portland. Reproduction, Fertility and Development. v. 16. p. 230-231.
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Aerts J.M.J. ; BOLS, P. E. J. ; Marijke Oste ; Van Ginneken C.J.D. . Transvaginal ultrasound-guided biopsy of the bovine ovary: a new tool for the study of preantral follicles.. In: 2004 Annual Meeting of the International Embryo Transfer Society (IETS), 2004, Portland. Reproduction, Fertility and Development. v. 16. p. 229-230.
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Hatamoto L.K. ; Baptista Sobrinho C.A. ; Cortada C.N.M. ; Züge R.M. ; BOLS, P. E. J. . Effect of cooling on the motility and acrosomal membrane integrity of canine spermatozoa.. In: 3th Biannual Meeting of the Association of Applied Animal Andrology - AAAA, 2002, Budapest. Proceedings of the 3th Biannual Meeting of the AAAA. p. 43-44.
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Züge R.M. ; Nichi M ; Cortada C.N.M. ; Bertolla R.P. ; BOLS, P. E. J. ; Barnabe V.H. . Semen evaluation of Simmental (Bos taurus) and Nelore (Bos indicus) bulls using cytochemical activity analysis.. In: 3th Biannual Meeting of the Association of Applied Animal Andrology - AAAA, 2002, Budapeste. Proceedings of the 3th Biannual Meeting of the AAAA.
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Nichi M ; De Clercq J.P.B. ; Goovaerts I. G. F. ; Barnabe V.H. ; BOLS, P. E. J. . Effect of bull epididymis storage conditions on sperm resistance against lipid peroxidation and subsequent in vitro embryo production.. In: 32nd Annual Conference of the International Embryo Transfer Society (IETS), 2006, Orlando. Reproduction, Fertility and Development. v. 18. p. 261.
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Goovaerts I. G. F. ; Ceelen L.M. ; De Clercq J.P.B. ; BOLS, P. E. J. . Persistent contamination of a routine bovine IVF system with a Gram-positive, gentamycin resistant coccobacil.. In: 10th International Conference of The European Society for Domestic Animal Reproduction (ESDAR), 2006, Portoroz-Lipica. Reproduction in Domestic Animals.
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De Clercq J.P.B. ; Nichi M ; Goovaerts I. G. F. ; BOLS, P. E. J. . Lipid peroxidation in follicular fluid from different sizes of bovine ovarian follicles.. In: 10th International Conference of The European Society for Domestic Animal Reproduction (ESDAR), 2006, Portoroz-Lipica. Reproduction in Domestic Animals.
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Nichi M ; De Clercq J.P.B. ; Goovaerts I. G. F. ; Barnabe V.H. ; BOLS, P. E. J. . Possible influence of cytoplasmic droplets in bovine epididymal sperm resistance against lipid peroxidation.. In: 10th International Conference of The European Society for Domestic Animal Reproduction (ESDAR), 2006, Portoroz-Lipica. Reproduction in Domestic Animals. v. 41. p. 313.
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De Clercq J.P.B. ; Nichi M ; Goovaerts I. G. F. ; BOLS, P. E. J. . Negative correlation of follicular fluid lipid peroxidation and the developmental competence of bovine oocytes in vitro.. In: 9th International Conference of European Society for Domestic Animals Reproduction (ESDAR), 2005, Murcia. Reproduction in Domestic Animals, 2005. v. 40. p. 339.
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Nichi M ; De Clercq J.P.B. ; Goovaerts I. G. F. ; Barnabe V.H. ; BOLS, P. E. J. . Status of lipid peroxidation protection during the maturation of bovine epididymal sperm.. In: 9th International Conference of European Society for Domestic Animals Reproduction (ESDAR), 2005, Murcia. Reproduction in Domestic Animals. v. 40. p. 340.
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Goovaerts I. G. F. ; Van Soom A. ; Dewulf J. ; De Kruif A ; BOLS, P. E. J. . Effect of caffeine on motility and IVF results of stored epididymal bull semen.. In: 9th International Conference of the European Society for Domestic Animals Reproduction (ESDAR), 2005, Murcia. Reproduction in Domestic Animals. v. 40. p. 349.
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Leroy J.L.M.R. ; Vanholder T. ; Opsomer G. ; BOLS, P. E. J. ; Van Soom A. . Low glucose and high β-hydroxybutyrate levels during in vitro maturation of bovine oocytes do not influence blastocyst yield.. In: 9th International Conference of the European Society for Domestic Animals Reproduction (ESDAR), 2005, Murcia. Reproduction in Domestic Animals. v. 40. p. 351.
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BOLS, P. E. J. . Transvaginal ultrasound-guided puncture of immature ovarian follicles in bovine assisted reproduction: state of the art.. In: The Biotech Havana meeting 2005, 2005, Havana. Proceedings of the Biotech Havana meeting 2005. p. 103.
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Züge R.M. ; Rodacky U. ; Grandi A.C.T. ; Silva J.P. ; Aerts J.M.J. ; BOLS, P. E. J. . Successful out of breeding season oestrus synchronization followed by fixed time insemination in water buffalo (Bubalus bubalis).. In: 2004 International Embryo Transfer Society Annual Conference, 2004, Portland. Reproduction, Fertility and Development. v. 16. p. 215.
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Leroy J.L.M.R. ; Vanholder T. ; Delanghe J.R. ; Opsomer G. ; Van Soom A. ; BOLS, P. E. J. ; Dewulf J. ; De Kruif A . Metabolic changes in follicular fluid of the dominant follicle in high-yielding dairy cows early post partum.. In: Joint European Conference in Reproduction and Fertility (incorporating the Society for Reproduction and Fertility Annual Conference for 2004), 2004, Ghent. Proceedings of the Joint European Conference in Reproduction and Fertility. v. 37. p. 9.
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Leroy J.L.M.R. ; Vanholder T. ; De Clercq J.P.B. ; BOLS, P. E. J. ; Opsomer G. ; Van Soom A. . Metabole veranderingen in het follikelvocht van hoogproduktieve melkkoeien in de periode vroeg na het afkalven en mogelijke effecten op de eicelkwaliteit.. In: Voorjaarsmeeting Vereniging Fertiliteits Studie, 2004, Leuven. Proceedings of the Voorjaarsmeeting Vereniging Fertiliteits Studie.
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Aerts J.M.J. ; Leroy J.L.M.R. ; BOLS, P. E. J. . The use on an endovaginal ultrasound micro-convex array transducer adapted for transvaginal oocyte retrieval in the cow.. In: 15th International Congress on Animal Reproduction, 2004, Porto Seguro. Proceedings of the 15th International Congress on Animal Reproduction. v. 2. p. 435.
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Leroy J.L.M.R. ; Vanholder T. ; Van Soom A. ; Opsomer G. ; BOLS, P. E. J. ; Christophe A. . Interrelation between follicular fluid and serum non-esterified fatty acids in high-yielding dairy cows early post partum.. In: 8th International Conference of European Society for Domestic Animals Reproduction, 2004, Warsaw. Reproduction in Domestic Animals. v. 39. p. 261.
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Leroy J.L.M.R. ; Vanholder T. ; BOLS, P. E. J. ; De Clercq J.P.B. ; Van Soom A. . The effect of negative energy balance associated non-esterified fatty acid levels on in vitro embryo production.. In: 20th Scientific Meeting of European Embryo Transfer Association (AETE)., 2004, Lyon. Proceedings of the 20th Scientific Meeting of European Embryo Transfer Association (AETE).. p. 144.
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De Roover R. ; BOLS, P. E. J. ; Hanzen C . A comparison on the outcome of transvaginal oocyte retrieval and in vitro embryo production in FSH-LH stimulated versus non-stimulated donor cows.. In: the 20th Scientific Meeting of European Embryo Transfer Association (AETE), 2004, Lyon. Proceedings of the 20th Scientific Meeting of European Embryo Transfer Association (AETE). p. 122.
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Aerts J.M.J. ; Marijke Oste ; Van Ginneken C.J.D. ; BOLS, P. E. J. . Macroscopic and histological consequences of repeated transvaginal ultrasound-guided biopsy of the bovine ovary.. In: 20th Scientific Meeting of European Embryo Transfer Association (AETE), 2004, Lyon. Proceedings of the 20th Scientific Meeting of European Embryo Transfer Association (AETE). p. 112.
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De Clercq J.P.B. ; Nichi M ; Goovaerts I. G. F. ; BOLS, P. E. J. . Negative correlation of follicular fluid lipid peroxidation and the developmental competence of bovine oocytes in vitro.. In: 8th International Conference of European Society for Domestic Animals Reproduction., 2004, Murcia. Reproduction in Domestic Animals. v. 40. p. 339.
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Leroy J.L.M.R. ; Vanholder T. ; Van Soom A. ; Opsomer G. ; BOLS, P. E. J. ; De Kruif A . Effect of oleïc acid during in vitro maturation on fertilisation, first cleavage and embryo development of bovine cumulus-oocyte-complexes.. In: 7th International Conference of European Society for Domestic Animals Reproduction - ESDAR, 2003, Dublin. Reproduction in Domestic Animals. v. 38. p. 328.
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Leroy J.L.M.R. ; BOLS, P. E. J. ; Van Soom A. ; Opsomer G. ; De Kruif A . The influence of staining with Nile Red and Hoechst on subsequent developmental capacities of bovine zygotes in vitro.. In: 19th Scientific Meeting of the European Embryo Transfer Association (AETE) ., 2003, Rostock-Warnemunde. Proceeding sof the 19th Scientific Meeting of the European Embryo Transfer Association (AETE.
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BOLS, P. E. J. ; Leroy J.L.M.R. ; Vanholder T. ; Van Soom A. . A comparison of a mechanical sector and a linear array transducer for ultrasound-guided transvaginal oocyte retrieval (OPU) in the cow: preliminary results.. In: 18th Scientific Meeting of the Association Europeenne de Transfert Embryonnaire - AETE, 2002, Kerkrade. Proceedings of the 18th Scientific Meeting of the Association Europeenne de Transfert Embryonnaire. p. 142.
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Züge R.M. ; Cortada C.N.M. ; Lima S.B. ; BOLS, P. E. J. ; Barnabe V.H. . Semen quality evaluations of Nelore and Simmental bulls, kept under tropical conditions, using the hypo-osmotic swelling test and a hemi-zona adherence test.. In: 18th Scientific meeting European Embryo Transfer Association - AETE, 2002, Rolduc - Kerkrade. Proceedings of the 18th Scientific Meeting AETE. p. 248.
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Hatamoto L.K. ; Züge R.M. ; Cortada C.N.M. ; BOLS, P. E. J. ; Barnabe R. C. . The Functional Double Test (FDT) for the evaluation of canine semen.. In: 6th International Conference of European Society for Domestic Animais Reproduction, 2002, Parma. Reproduction in Domestic Animals. v. 37. p. 235.
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Züge R.M. ; Cortada C.N.M. ; Nichi M ; BOLS, P. E. J. ; Barnabe V.H. . The use of scrotal circumference for breeding soundness evaluation in Zebu (Bos indicus) bulls.. In: 6th International Conference of the European Society for Domestica Animals Reproduction, 2002, Parma. Reproduction in Domestic Animais. v. 37. p. 258.
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Nichi M ; Goovaerts I. G. F. ; Cortada C.N.M. ; Barnabe V.H. ; De Clercq J.P.B. ; BOLS, P. E. J. . Roles of lipid peroxidation and cytoplasmic droplets on in vitro fertilization capacity of sperm collected from bovine epididymides stored at 4 and 34ºC.. Theriogenology , 2007.
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BOLS, P. E. J. . A comparison of a mechanical sector and a linear array transducer for ultrasound-guided transvaginal oocyte retrieval (OPU) in the cow: preliminary results.. 2002. (Apresentação de Trabalho/Congresso).
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BOLS, P. E. J. . Minor use and the availability of veterinary medicines: Belgian point of view.. 2001. (Apresentação de Trabalho/Comunicação).