J
J.H.F. Pontes
Researcher at Universidade Estadual de Londrina
Publications - 18
Citations - 825
J.H.F. Pontes is an academic researcher from Universidade Estadual de Londrina. The author has contributed to research in topics: Embryo transfer & Pregnancy. The author has an hindex of 11, co-authored 15 publications receiving 761 citations.
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Journal ArticleDOI
Comparison of embryo yield and pregnancy rate between in vivo and in vitro methods in the same Nelore (Bos indicus) donor cows.
J.H.F. Pontes,I. Nonato-Junior,B. V. Sanches,J.C. Ereno-Junior,S. Uvo,Thales Ricardo Rigo Barreiros,Jose A. Puppim de Oliveira,J.F. Hasler,Marcelo Marcondes Seneda +8 more
TL;DR: In Nelore cows, with an interval of 15 d between OPU procedures, it was possible to produce more embryos and pregnancies compared to conventional MOET, and total embryo production and pregnancy rates were assessed.
Journal ArticleDOI
Large-scale in vitro embryo production and pregnancy rates from Bos taurus, Bos indicus, and indicus-taurus dairy cows using sexed sperm
J.H.F. Pontes,K. C. F. Silva,Andrea Basso,A. G. Rigo,Christina R. Ferreira,G. M. G. Santos,B. V. Sanches,J. P. F. Porcionato,P. H. S. Vieira,F.S. Faifer,F. A. M. Sterza,John Schenk,Marcelo Marcondes Seneda +12 more
TL;DR: Oocyte yield from two levels of indicus-taurus breeds is compared and the efficiency of sexed sperm for in vitro embryo production is demonstrated and the potential for international movement of embryos is demonstrated.
Journal ArticleDOI
Ovum pick up, in vitro embryo production, and pregnancy rates from a large-scale commercial program using Nelore cattle (Bos indicus) donors.
J.H.F. Pontes,F.A. Melo Sterza,Andrea Basso,Christina R. Ferreira,B. V. Sanches,K.C.P. Rubin,Marcelo Marcondes Seneda +6 more
TL;DR: It is demonstrated that individual variation in oocyte yield is associated with embryo production and pregnancy rates and there was no significant effect of the number of OPU sessions per donor on mean numbers of oocytes produced.
Journal ArticleDOI
Single embryo and oocyte lipid fingerprinting by mass spectrometry
Christina R. Ferreira,Sérgio A. Saraiva,Rodrigo Ramos Catharino,Jerusa S. Garcia,Fabio C. Gozzo,Gustavo B. Sanvido,Luiz Fernando Arruda Santos,Edson Guimarães Lo Turco,J.H.F. Pontes,Andrea Cristina Basso,Ricardo Pimenta Bertolla,Roberto Sartori,M. M. Guardieiro,Felipe Perecin,Flávio Vieira Meirelles,Juliano Rodrigues Sangalli,Marcos N. Eberlin +16 more
TL;DR: MALDI-MS is shown to be capable of providing characteristic lipid profiles of gametes and embryos and also to respond to modifications due to developmental stages and in vitro culture conditions of bovine embryos.
Journal ArticleDOI
Cryosurvival and pregnancy rates after exposure of IVF-derived Bos indicus embryos to forskolin before vitrification.
B. V. Sanches,L. S. R. Marinho,Benedito Dias de Oliveira Filho,J.H.F. Pontes,Andrea Basso,M. L. G. Meirinhos,K. C. Silva-Santos,Christina R. Ferreira,Marcelo Marcondes Seneda +8 more
TL;DR: Treatment with forskolin before vitrification improved cryotolerance of Bos indicus IVP embryos, resulting in good post-transfer pregnancy rates.