The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
The Revista Brasileira de Zootecnia (RBZ) is a publication dedicated to the broad field of Animal Science. We publish high-quality, original scientific research that spans across diverse areas within the discipline. The scope of RBZ encompasses a wide range of topics, including aquaculture, biometeorology and animal welfare, forage crops and grasslands, animal and forage plants breeding and genetics, animal reproduction, ruminant and non-ruminant nutrition, meat science and muscle biology, precision livestock, and animal production systems and agribusiness.
Forty-two crossbred dairy cows or heifers were randomly allocated to two treatments: T1 (n=22) – control group, without hormonal treatment; T2 (n=20) – treated group with buserelin in the fourth day after embryo transfer, to evaluate the effect of hormonal treatment on the pregnancy rate and plasma concentrations of progesterone in bovine embryo recipients. Blood collection samples for plasma obtainment were realized on day of embryo transfer (day 0) and every other day, in a total of five samples per recipients. The pregnancy diagnosis was realized by transrectal way. The use of a GnRH agonist (buserelin) on the fourth day after embryo transfer did not result on difference between treatments in relation to the pregnancy rate. However, the plasma levels of progesterone of pregnant recipients of the treated group were greater as compared with those of the control group.
Pregnancy rate and plasma progesterone concentrations in bovine embryo recipients treated with buserelin after embryo transfer
Galimberti,Antonio Marcos and Fonseca,Francisco Aloízio and Araujo,Manoel Carlos Couto and Costa,Eduardo Paulino da and Freitas,Célio de and Guimarães,José Domingos and Ferreira,Ademir de Moraes. Pregnancy rate and plasma progesterone concentrations in bovine embryo recipients treated with buserelin after embryo transfer. R. Bras. Zootec. [online]. 2001, vol.30, 2, [cited 2026-04-23], pp.353-359. Available from: <https://rbz.org.br/article/pregnancy-rate-and-plasma-progesterone-concentrations-in-bovine-embryo-recipients-treated-with-buserelin-after-embryo-transfer/>. ISSN 1516-3598. https://doi.org/10.1590/S1516-35982001000200009.
Galimberti,Antonio Marcos; Fonseca,Francisco Aloízio; Araujo,Manoel Carlos Couto; Costa,Eduardo Paulino da; Freitas,Célio de; Guimarães,José Domingos; Ferreira,Ademir de Moraes. Pregnancy rate and plasma progesterone concentrations in bovine embryo recipients treated with buserelin after embryo transfer. R. Bras. Zootec., v.30, 2, p. 353-359. Apr. 2001. Available from: <https://rbz.org.br/article/pregnancy-rate-and-plasma-progesterone-concentrations-in-bovine-embryo-recipients-treated-with-buserelin-after-embryo-transfer/>. acess on 23 Apr. 2026. https://doi.org/10.1590/S1516-35982001000200009.
Galimberti,Antonio Marcos, & Fonseca,Francisco Aloízio, & Araujo,Manoel Carlos Couto, & Costa,Eduardo Paulino da, & Freitas,Célio de, & Guimarães,José Domingos, & Ferreira,Ademir de Moraes. (2001). Pregnancy rate and plasma progesterone concentrations in bovine embryo recipients treated with buserelin after embryo transfer. R. Bras. Zootec., 30(2) , 353-359. https://doi.org/10.1590/S1516-35982001000200009.
GalimbertiAntonio Marcos, FonsecaFrancisco Aloízio, AraujoManoel Carlos Couto, CostaEduardo Paulino da, FreitasCélio de, GuimarãesJosé Domingos, FerreiraAdemir de Moraes. Pregnancy rate and plasma progesterone concentrations in bovine embryo recipients treated with buserelin after embryo transfer. R. Bras. Zootec. [Internet]. 2001 Apr [cited 2026 Apr 23]; 30(2): 353-359. Available from: https://rbz.org.br/article/pregnancy-rate-and-plasma-progesterone-concentrations-in-bovine-embryo-recipients-treated-with-buserelin-after-embryo-transfer/. https://doi.org/10.1590/S1516-35982001000200009.
Figure 6
Differential abundance for the species Faecalibacterium prausnitzii (A) and Megamonas funiformis (B).
