Zobrazeno 1 - 10
of 198
pro vyhledávání: '"Rafael Herrera, Alvarez"'
Autor:
Fábio Luis Nogueira Natal, Alfredo José Ferreira de Melo, Diego Lobon Jimenez Filho, Keila Maria Roncato Duarte, Rafael Herrera Alvarez
Publikováno v:
Boletim de Indústria Animal, Vol 73, Iss 1, Pp 9-14 (2016)
In view of its similar structure and function to luteinizing hormone (LH), human chorionic gonadotropin (hCG) has conventionally been used as the main hormone to induce estrus and ovulation in sows. Recently, it has been demonstrated that the neurope
Externí odkaz:
https://doaj.org/article/e9a15a4600f24960a2b4b222bc13fe04
Autor:
Vinícius Antônio Pelissari Poncio, Alfredo José Ferreira Melo, Keila Maria Roncato Duarte, Claudio Alvarenga de Oliveira, Rafael Herrera Alvarez
Publikováno v:
Boletim de Indústria Animal, Vol 72, Iss 3, Pp 271-276 (2015)
he use of estrogens in artificial insemination protocols for cattle is the least expensive and most efficient method currently available. However, the trend to prohibit the use of estrogens for this purpose has made it necessary to find alternatives
Externí odkaz:
https://doaj.org/article/5bf01c3eda744ba8bd57b8dacd47f5d5
Autor:
Alfredo José Ferreira Melo, Vinícius Antônio Pelissari Poncio, Cláudia Del Fava, Edviges Maristela Pituco, José de Sordi Neto, Rafael Herrera Alvarez
Publikováno v:
Boletim de Indústria Animal, Vol 72, Iss 3, Pp 221-228 (2015)
The objective of this study was to evaluate the reproductive indices of different cattle herds submitted to a fixed-time artificial insemination program (FTAI) in the region of Piracicaba, SP. Twenty herds composed of 10 to 80 crossbred dairy cows we
Externí odkaz:
https://doaj.org/article/ab41f06633984d94b6f031d9a830ff47
Autor:
Rita Maria Ladeira Pires, Rafael Herrera Alvarez, Jackson Barros do Amaral, Fábio Morato Monteiro, Alfredo José Ferreira de Melo, Eduardo Trevisol, Maria Aparecida Cassiano Lara
Publikováno v:
Boletim de Indústria Animal, Vol 71, Iss 4, Pp 332-340 (2014)
During the adaptive process to Brazilian conditions, the native cattle breeds acquired physiological and phenotypic characteristics wich differs them from European breeds, from which they derive. The objectives of present study were to compare the se
Externí odkaz:
https://doaj.org/article/dcc0e5b73f7142639d636c79e99b03e8
Autor:
Alfredo José Ferreira Melo, Vinicius Antônio Pelissari Poncio, Fernanda Lucci Mucci, Afonso Aurélio Carvalho Peres, Claudio Alvarenga de Oliveira, Rafael Herrera Alvarez
Publikováno v:
Boletim de Indústria Animal, Vol 71, Iss 3, Pp 250-255 (2014)
The objective was to evaluate the effect of intramuscular injection of two different commercial products of cloprostenol (Preloban® or Croniprest®) on luteal regression of Holstein heifers. On a random day of the estrous cycle, 36 heifers were sync
Externí odkaz:
https://doaj.org/article/dae939f7fa8b4c7290e2f26e5525da27
Autor:
Fábio Luis Nogueira Natal, Alfredo José Ferreira de Melo, Diego Lobon Jimenez Filho, Keila Maria Roncato Duarte, Rafael Herrera Alvarez
Publikováno v:
Boletim de Indústria Animal, Vol 73, Iss 1 (2016)
Devido à semelhança na estrutura e função com o hormônio luteinizante (LH), a gonadotrofina coriônica humana (hCG) tem sido convencionalmente o principal hormônio utilizado para induzir o estro e a ovulação nas fêmeas suínas. Recentemente,
Externí odkaz:
https://doaj.org/article/a444167b9aa54964992a79a89d29b5df
Publikováno v:
Boletim de Indústria Animal, Vol 68, Iss 1, Pp 1-5 (2011)
The aim of this study was to compare ovarian response and embryo production of superovulated Bos indicus and Bos taurus cows adapted to the environmental conditions from São Paulo State, Brazil. Ninety non-lactating cows from Caracu ( Bos taurus, n=
Externí odkaz:
https://doaj.org/article/18d29ab08ef34380922a23a973f36231
Autor:
Rafael Herrera Alvarez, Antonio Campanha Martinez, João Batista Pereira de Carvalho, Juliana Rodrigues Pozzi Arcaro, Rita Maria Ladeira Pires, Cláudio Alvarenga de Oliveira
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 38, Iss 2, Pp 317-323 (2003)
O presente trabalho objetivou avaliar a eficácia do tratamento Ovsynch associado à inseminação artificial em tempo prefixado em vacas Bos taurus e Bos indicus. Foram utilizados rebanhos das raças Holandesa, Caracu, Nelore e Mantiqueira. Também
Externí odkaz:
https://doaj.org/article/c00b732a99f640b589d188b359bbc7fc
Publikováno v:
Boletim de Indústria Animal, Vol 76, Pp 1-5 (2019)
O objetivo do experimento foi avaliar o grau de sincronização do cio e a taxa de prenhez de vacas de corte tratadas com acetato de melengestrol (MGA) e cipionato de estradiol (ECP). Quarenta vacas lactantes Caracu (uma raça taurina local) mantidas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddb55c1c493fb281e7887a232693fa44
http://iz.sp.gov.br/bia/index.php/bia/article/view/1598
http://iz.sp.gov.br/bia/index.php/bia/article/view/1598
Autor:
Rafael Herrera Alvarez, Daniel A. Joaquim, Bernardo Marcozzi Bayeux, Yeda Fumie Watanabe, Patrice Humblot
Publikováno v:
Theriogenology. 174
Information on the follicular population and oocyte quality of cows in the final period of reproductive life is scarce. The present study aimed to compare the antral follicle count (AFC), oocyte production and embryonic developmental competence of yo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccd2fee5948e0a69d00d203ca10015f0
https://pubmed.ncbi.nlm.nih.gov/34416561
https://pubmed.ncbi.nlm.nih.gov/34416561