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Dive into the research topics where C. C. Bartolomeu is active.

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Featured researches published by C. C. Bartolomeu.


Animal Reproduction Science | 2003

The use of steroid hormones in superovulation of Nelore donors at different stages of estrous cycle.

J.C.O Andrade; M. A. L. Oliveira; Paulo Fernandes de Lima; S.I Guido; C. C. Bartolomeu; F. Tenório Filho; V.M.R Pina; T.C Iunes-Souza; N.R.O Paula; J.C.C Freitas

The objective of the present study was to evaluate the superovulatory response and ova/embryo recovery from Nelore donors following treatment with a controlled internal drug releasing device and estradiol benzoate (CIDR-B program) at different stages of the estrous cycle. The control group (TI; n=40) received a standard superovulation protocol with females of this group being between days 9 and 12 of the estrous cycle (estrus = day 0). The donors that received a CIDR-B program containing 1.9 g progesterone and an intramuscular injection of estradiol benzoate (2 mg) were at day 0 (TII; n=30), between days 2 and 6 (TIII; n=30), days 7 and 12 (TIV; n=30), days 13 and 16 (TV; n=30) and days 17 and 20 (TVI; n=30) of the estrous cycle. Superovulation was induced with 400 IU of p-FSH, divided into eight decreasing doses (80/80; 60/60; 40/40; 20/20) at intervals of 12h. The donors received PGF2alpha (Cloprostenol) 48 h after beginning the treatment and CIDRs were removed 12h later. Artificial inseminations (AI) were performed 12 and 22 h after the initiation of estrus and embryos were collected 7 days after AI. The mean numbers (+/-S.E.M.) of total ova and embryos, viable (transferable) and degenerated embryos were 14.2+/-11.3, 7.4+/-6.9 and 3.2+/-3.5 (TI), 13.3+/-10.4, 7.1+/-6.2 and 3.3+/-4.3 (TII), 13.5+/-7.0, 8.1+/-6.7 and 2.3+/-3.0 (TIII), 17.4+/-9.9, 9.4+/-6.9 and 4.0+/-4.4 (TIV), 16.9+/-8.8, 9.8+/-8.1 and 2.7+/-2.5 (TV) and 13.0+/-7.8, 7.2+/-6.9 and 2.3+/-2.5 (TVI), with no significant differences (P>/=0.05) among groups. Pregnancy rates of 67.1% (TI; n=86/128), 60.8% (TII; n=59/97), 62.5% (TIII; n=73/115), 64.1% (TIV; n=84/131), 72.3% (TV; n=81/112) and 60.6% (TVI; n=63/104) were obtained with embryos transferred from these collections and did not differ significantly (P>/=0.05) among groups. The results of the present study allow us to conclude that a combination of steroid hormones may be used prior to superovulation in Nelore donors, at any stage of the estrous cycle without affecting the efficiency of embryo transfer programs.


Theriogenology | 2018

Conceptus loss in Santa Inês ewes carrying twin pregnancies by natural mating or embryo transfer

José Carlos Ferreira-Silva; Leopoldo Mayer Freitas Neto; Marcelo Tigre Moura; Fernando Tenório Filho; Luis Rennan Sampaio Oliveira; C. C. Bartolomeu; Marcos Antonio Lemos Oliveira

Commercial application of reproductive biotechnologies such as multiple ovulation and embryo transfer depends on its overall efficiency. Sheep embryo transfer is gradually gaining wider adoption, but pregnancy rates after embryo transfer remain lower than those derived from natural mating for most breeds. The work was aimed to evaluate embryonic and fetal losses in Santa Inês ewes carrying twin pregnancies by natural mating or embryo transfer. Ewes were subjected to synchronized natural mating by ram effect or used as recipients for embryo transfer. Ewes diagnosed as carrying twin pregnancies at day 25 were used in the experiment (n = 42). Conceptus viability was monitored by ultrasonography on days 30, 35, 40, 45, 50, and 55 after conception. Conceptus loss was similar (P > 0.05) within natural mating 11/42 (26.19%) and embryo transfer 14/42 (33.34%). However, overall embryonic loss (80.0%) was greater (P < 0.05) than fetal loss (20.0%), with no difference within groups The results allow the conclusion that conceptus loss after embryo transfer is similar to natural mating and occurs predominantly during the embryonic stages.


Small Ruminant Research | 2007

Follicular dynamics in Anglo-Nubian goats using transrectal and transvaginal ultrasound

F. Tenório Filho; Maico Henrique Barbosa dos Santos; P.G. Carrazzoni; F.F. Paula-Lopes; J.P. Neves; C. C. Bartolomeu; Paulo Fernandes de Lima; M. A. L. Oliveira


Veterinary Record | 2003

Ultrasonographic monitoring of 103 recipient mares of different reproductive status during the first 30 days after embryo transfers

A. W. Taveiros; M. A. L. Oliveira; Paulo Fernandes de Lima; F. Tenório Filho; C. C. Bartolomeu; Maico Henrique Barbosa dos Santos; Luis Rennan Sampaio Oliveira; T.C Iunes-Souza; J.C.C Freitas


Boletim de Indústria Animal | 2014

Influence of male-to-female ratio and climatic conditions on the reproductive performance of Anglo Nubian goats

Carlos Geraldo Tenório Alves; José Monteiro Almeida-Irmão; Marcelo Tigre Moura; José Carlos Ferreira da Silva; Pamela Ramos de Deus; Jairo Pereira Neves; C. C. Bartolomeu; Paulo Fernandes de Lima; Marcos Antonio Lemos Oliveira


Ciência Animal Brasileira | 2013

Avaliação de embriões ovinos provenientes de oócitos submetidos a estresse calórico durante a maturação in vitro

Edivaldo Rosas dos Santos Junior; R. M. Chaves; José Carlos Ferreira da Silva; Marcelo Tigre Moura; C. C. Bartolomeu; Paulo Bayard Dias Gonçalves; Paulo Fernandes de Lima; Marcos Antonio Lemos Oliveira


VI Congresso Norte Nordeste de Reprodução Animal, Fortaleza, Brazil, 27-29 June 2012. | 2012

Effect of eCG or temporary weaning over pregnancy rate of Nelore cows (Bos indicus) with suckling calves after TAI.

C. C. Bartolomeu; A. J. del Rei; C.T.G. Álvares; A. R. de Paula Junior; Geógenes da Silva Gonçalves


Medicina Veterinária (Brasil) | 2009

Ultrasound evaluation of ovarian follicular dynamics in Jennies (Equus asinus) during the estrous cycle.

J. C. Conceição; L. M. Freitas Neto; C. R. Aguiar Filho; G. H. M. Araujo; J. V. Oliveira; C. C. Bartolomeu; Eunice Oba; Cezinande de Meira


Reproduction in Domestic Animals | 2018

Effects of adiponectin during in vitro maturation of goat oocytes: MEK 1/2 pathway and gene expression pattern

Elizabete Teixeira Gomes; Joana Amélia S. Costa; Diogo M.F. Silva; Wasim Al Shebli; Marina L. Azevedo; Pedro L. J. Monteiro; Robespierre Augusto Joaquim Araújo Silva; Antônio Santana dos Santos Filho; Maria Madalena Pessoa Guerra; C. C. Bartolomeu; Aurea Wischral; André Mariano Batista


Livestock Science | 2018

Follicular size, luteinizing hormone (LH), and progesterone (P4) levels in postpartum Santa Inês ewes subjected to ram effect combined with suckling interruption

José Carlos Ferreira-Silva; Fernando Tenório Filho; Marcelo Tigre Moura; Pábola Santos Nascimento; Luis Rennan Sampaio Oliveira; C. C. Bartolomeu; Marcos Antonio Lemos Oliveira

Collaboration


Dive into the C. C. Bartolomeu's collaboration.

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Pábola Santos Nascimento

Universidade Federal Rural de Pernambuco

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Sebastião Inocêncio Guido

Universidade Federal Rural de Pernambuco

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Maiana Silva Chaves

Universidade Federal Rural de Pernambuco

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Marcelo Tigre Moura

Universidade Federal Rural de Pernambuco

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Marcos Antonio Lemos Oliveira

Universidade Federal Rural de Pernambuco

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Paulo Fernandes de Lima

Universidade Federal Rural de Pernambuco

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Antônio Santana dos Santos Filho

Universidade Federal Rural de Pernambuco

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Adelaide Caroline Primo da Silva

Universidade Federal Rural de Pernambuco

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Matheus Cavalcanti de Farias

Universidade Federal Rural de Pernambuco

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Paulo Francisco Maciel Póvoas Souto

Universidade Federal Rural de Pernambuco

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