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Dissertations / Theses on the topic 'Pregnancy and Estrus'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Othen, Leanne Stacey. "Reproductive endocrinology of wood bison during estrus synchronization, superovulation and pregnancy." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq24494.pdf.

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2

Dorsey, Benjamin Reese. "Effect of Timing of Insemination and Synchronization of Estrus Method on Artificial Insemination (AI) Pregnancy Rates in Beef Heifers." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/42873.

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Objectives were to evaluate time of insemination relative to estrus and synchronization with melengestrol acetate (MGA) plus prostaglandin (PG) or progesterone insert (CIDR) plus PG on AI pregnancy rate in beef heifers (n = 662) during Fall or Spring. Fall heifers (n = 349) received MGA-PG (MGA for 14 d followed by PG on d 18) or CIDR-PG (CIDR for 7 d, PG administered 1 d before CIDR removal). Estrus was monitored by HeatWatch® (n = 200) or visually (n = 149). Spring heifers (n = 313) underwent CIDR-PG with detection of estrus by HeatWatch®. Heifers not in estrus by 96-100 h after PG were

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3

Kelany, Khaled Elaraby. "Can Hematocrit Levels at Estrus in Dairy Cows and Sheep Be an Indicator for Pregnancy Success?" Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31604.

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Despite the major reproductive advances in the livestock industry, prenatal embryonic loss is still one of the major issues that causes substantial economic loss. While there are many tests available to determine pregnancy soon after maternal recognition of pregnancy, most of the prenatal losses are undetectable because it occurs before then. Based on previous research we hypothesized that increased plasma volume around the time of estrus will increase the survivability of the embryo at early stages of gestation. However, our findings indicate that hematocrit levels are not a consistent measur

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4

Kim, Jin-Goel. "Comparative transcriptional profiling of the uterus according to stage of the estrous cycle and pregnancy status in gilts." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/5073.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 9, 2009) Vita. Includes bibliographical references.

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5

Holland, Sarah C. "Comparison of Luteolysis and Timed Artificial Insemination Pregnancy Rates after Administration of PGF2a in the Muscle or the Ischiorectal Fossa in Cattle." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56575.

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Prostaglandin F2α (PGF2α) is commonly given to female cattle intramuscularly (IM) for the synchronization of estrus. A novel site for administration of PGF2α that improves beef quality assurance is the ischiorectal fossa (IRF). The objective of this study was to determine whether administration of PGF2α in the IRF results in a similar physiologic response to administration of PGF2α given IM. Yearling angus-cross heifers (n=112) were blocked by weight and randomly assigned within blocks to be injected with 5 mL PGF2α either IM in the neck or in the IRF. Blood samples were taken at 0, 8,

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CALDAS, Eduardo Luiz Cavalcanti. "Efeito macho associado a estratégias de manejo sobre o desempenho reprodutivo de ovelhas Santa Inês no semiárido do Estado de Pernambuco." Universidade Federal Rural de Pernambuco, 2011. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5480.

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Submitted by (edna.saturno@ufrpe.br) on 2016-08-25T12:11:06Z No. of bitstreams: 1 Eduardo Luiz Cavalcanti Caldas.pdf: 343939 bytes, checksum: 1af9249e373770cb37beca7e31337a00 (MD5)<br>Made available in DSpace on 2016-08-25T12:11:07Z (GMT). No. of bitstreams: 1 Eduardo Luiz Cavalcanti Caldas.pdf: 343939 bytes, checksum: 1af9249e373770cb37beca7e31337a00 (MD5) Previous issue date: 2011-07-25<br>The aim of this study, divided into two trials, was to evaluate the male effect associated with management strategies on the reproductive performance of Santa Inês ewes raised in a semi-extensive regim

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7

Buttrey, Brad Sterling. "Human chorionic gonadotropin and gonadotropin-releasing hormone influence pregnancy survival and resynchronized ovulation before timed artificial insemination in Holstein cattle." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/542.

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8

Silveira, Luísa Lemos. "Comparação entre o primeiro e segundo cio após o parto em éguas da raça crioula e puro sangue de corrida." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/178872.

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A espécie equina apresenta algumas peculiaridades em relação às demais espécies por apresentar baixa taxa de fertilidade. É importante que a égua conceba logo após o parto para que possa gerar um produto por ano. Na fêmea equina, o primeiro cio pós-parto geralmente acontece 5 a 15 dias após o nascimento do produto. No Brasil, a prática da utilização do cio do potro não é frequente, existindo ainda entre os veterinários, a adoção de diferentes protocolos. Além disso, no Sul do Brasil encontramos grandes criatórios de cavalos Puro Sangue De Corrida (PSC) e de cavalos Crioulos, o que diferencia a

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9

Purcell, Scott Hudson. "Effect Of A Cidr Insert And Flunixin Meglumine Administered At The Time Of Embryo Transfer On Pregnancy Rate And Resynchronization Of Estrus In Beef Cattle." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/9992.

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The objectives of this study were to evaluate the effects of flunixin meglumine (FM), an inhibitor of PGF2a synthesis, administered at the time of embryo transfer (ET) and insertion of an intravaginal progesterone-releasing device (CIDR) at the time of ET on pregnancy rates (PR) and the resynchronization of estrus. Beef cows (n = 796) and heifers (n = 108) at three locations were assigned randomly within age to one of four groups in a 2 x 2 factorial arrangement of treatments with injection of FM (500 mg i.m.; Phoenix Scientific, St. Joseph, MO) 2 to 12 min prior to ET and insertion of a CIDR

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10

CÉSAR, Clarissa Neuman Ramos. "Efeito dos diferentes momentos de inseminação artificial laparoscópica em programas de inseminação artificial em tempo fixo em ovinos." Universidade Federal Rural de Pernambuco, 2013. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5042.

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Submitted by (edna.saturno@ufrpe.br) on 2016-07-19T14:31:33Z No. of bitstreams: 1 Clarissa Neuman Ramos Cesar.pdf: 675969 bytes, checksum: 5383e8c8bb49a0be0d444364ce184d26 (MD5)<br>Made available in DSpace on 2016-07-19T14:31:33Z (GMT). No. of bitstreams: 1 Clarissa Neuman Ramos Cesar.pdf: 675969 bytes, checksum: 5383e8c8bb49a0be0d444364ce184d26 (MD5) Previous issue date: 2013-04-29<br>The use of artificial insemination (AI) accelerates the genetic improvement, prevents transmission of venereal diseases and facilitates testing of progeny besides enabling subfertile males to produce des

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Ribeiro, Vânia Maria França. "Manipulação farmacológica do ciclo estral, caracterização da gestação e variabilidade genética de paca, Cuniculus paca(Linnaeus,1766.), em cativeiro." Universidade Federal do Amazonas, 2011. http://tede.ufam.edu.br/handle/tede/3072.

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Made available in DSpace on 2015-04-20T12:31:15Z (GMT). No. of bitstreams: 1 vania capitulos.pdf: 1822618 bytes, checksum: 888509f8a26f1ccfc9848eb7bbe9bab7 (MD5) Previous issue date: 2011-05-11<br>Known for the excellence of the flavor of your meat paca (paca Cuniculus L.), suffers from intense hunting pressure in the tropics. This factor combined with a low reproductive rate and habitat destruction in some states of Brazil, poses as regionally threatened species. This study aimed to evaluate the effect of hormonal treatment on fertility, pregnancy characterize and determine the genetic va

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Reis, Everton Luiz. "Efeito da dose e do momento da administração de gonadotrofina coriônica eqüina (eCG) no protocolo de sincronização da ovulação para transferência de embriões em tempo fixo." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/10/10131/tde-30012007-161131/.

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Este estudo avaliou os efeitos da administração de diferentes doses de eCG em dois momentos distintos no protocolo de sincronização da ovulação para inovulação em tempo fixo. No dia 0, as receptoras foram tratadas com dispositivo intravaginal contendo progesterona (DIP) e 2,0 mg de Benzoato de Estradiol (BE) associados a 50 mg de progesterona (P4) IM. A partir desse momento, os animais foram divididos homogeneamente para receberem 0,15 mg de d-cloprostenol (PGF2α) e 400, 500 ou 600 UI de eCG no dia 5 (G-400d5, n=101; G-500d5, n=98; G-600d5, n=100, respectivamente) ou no dia 8 (G-400d8, n=

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13

Palmeiro, António João Minhós. "Otimização da eficiência reprodutiva numa vacada no Alentejo : estudo de caso." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2013. http://hdl.handle.net/10400.5/5488.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A situação económica mundial criou nos produtores de bovinos de carne em regime extensivo a necessidade de utilizarem práticas de maneio eficientes para se aumentar a rentabilidade dos seus sistemas de produção. A eficiência reprodutiva afeta de forma considerável o resultado económico de uma exploração produtora de bovinos de carne em regime extensivo, Assim, surge a necessidade de identificar as causas responsáveis por uma baixa eficiência e possíveis medidas corretivas do maneio reprodutivo. A exploração em estudo, apresent

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14

Borges, Morgana Cardoso Brasileiro. "Efeito do estradiol associado ao progestágeno sobre a taxa de sincronização do estro, de ovulação e prenhez em vacas zebuínas lactantes no pós-parto." Universidade Federal de Viçosa, 2006. http://locus.ufv.br/handle/123456789/5084.

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Made available in DSpace on 2015-03-26T13:47:02Z (GMT). No. of bitstreams: 1 texto completo.pdf: 267486 bytes, checksum: 169841b6c3f32cc968c92239bcabfe56 (MD5) Previous issue date: 2006-09-14<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The objective of this research was to evaluate the effect of estradiol benzoate plus CIDR on estrus and ovulation synchronization and pregnancy rates in zebu lactating cows at postpartum. Two hundred and twenty six zebu cows, were randomly assigned to three different treatments: MN (n=77) - cows were submitted to a breeding season of 21 d

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15

Kutz, Bryan. "Synchronizing Estrus and Improving Subsequent Production and Performance with Prostaglandin F2 Alpha and Pregnant Mare Serum Gonadotropin." TopSCHOLAR®, 1997. http://digitalcommons.wku.edu/theses/790.

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Two-hundred-seventy-two sows were utilized in two trials to evaluate the effects of prostaglandin and pregnant mare serum on reducing weaning to estrus interval, increasing the degree of estrus synchrony and improving fertility at estrus resulting in improved pregnancy rates and subsequent litter performance. Sows were randomly allotted to treatments. In trial 1, sows were assigned to one of three treatments: T1 (n=18; l0mg of PGF2α /hd 24-48 hrs. after parturition), T2 (n=20; lOmg of PGF 2 α /hd at weaning) and controls (n=20). No differences (P>.05) were observed for survival rate and 21D li

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16

Vihma, Veera. "Lipoprotein-associated 17b[beta]-estradiol fatty acid esters in pregnancy and during postmenopausal estrogen therapy." Helsinki : University of Helsinki, 2003. http://ethesis.helsinki.fi/julkaisut/laa/kliin/vk/vihma/.

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17

Oliveira, Gleidson Benevides de. "Perfil dos glicosaminoglicanos, morfologia do sistema reprodutor feminino e desenvolvimento pós-implantacional em cutias (Dasyprocta leporina Linnaeus, 1758)." Universidade Federal Rural do Semi-Árido, 2016. http://bdtd.ufersa.edu.br:80/tede/handle/tede/682.

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Submitted by Socorro Pontes (socorrop@ufersa.edu.br) on 2017-05-03T11:53:29Z No. of bitstreams: 1 GleidsonBO_TESE.pdf: 11466529 bytes, checksum: bbaaa583c7710c45dac218fe4cb14279 (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-05-04T16:03:53Z (GMT) No. of bitstreams: 1 GleidsonBO_TESE.pdf: 11466529 bytes, checksum: bbaaa583c7710c45dac218fe4cb14279 (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-05-04T16:04:05Z (GMT) No. of bitstreams: 1 GleidsonBO_TESE.pdf: 11466529 bytes, checksum: bbaaa583c7710

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Martínez, González Sandra. "Metabolomic analysis of oxidative stress and inflammation biomarkers during chemotherapy treatment in pregnant women with breast cancer and their offspring." Doctoral thesis, Universitat Autònoma de Barcelona, 2020. http://hdl.handle.net/10803/671261.

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El càncer de mama associat a l’embaràs (PABC) és definit com càncer de mama diagnosticat durant l’embaràs o un any després del part. La quimioteràpia durant l’embaràs pot incrementar la producció d’estrès oxidatiu i inflamació elevant el risc de complicacions obstètriques. Per tant, vam examinar biomarcadors d’estrès oxidatiu, inflamació i de defensa antioxidant en dones amb PABC (N=17) abans del tractament, abans de cada cicle (antraciclines i paclitaxel) i al part. També es va obtenir sang de pacients amb càncer de mama sense embaràs (N=10) abans i després d’ antraciclines i dones embaras

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Briot, Pascal. "Etudes in vivo et in vitro de la biosynthèse des œstrogènes chez la hase (Lepus europaeus)." Paris 6, 1986. http://www.theses.fr/1986PA066159.

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Etude sur le sang des veines périphériques, ovariennes, utérines au cave de femelles gestantes ou non gestantes, stimulées par PMSG ou non stimulées. In vitro étude sur tissus incubés (follicules, corps jaune, surrénale, endomètre ou placenta).

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Sullivan, Rachael R. "Expression of follicle stimulating hormone receptor variants during the sheep estrous cycle." Thesis, Manhattan, Kan. : Kansas State University, 2009. http://hdl.handle.net/2097/1395.

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Oliveira, Silvia Ximenes. "Qualidade de vida em gestantes no contexto na Estrat?gia Sa?de da Fam?lia." Universidade Federal do Rio Grande do Norte, 2011. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14730.

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Made available in DSpace on 2014-12-17T14:46:49Z (GMT). No. of bitstreams: 1 SilviaXO_DISSERT.pdf: 1117911 bytes, checksum: c01d2eedb56965bc2a625cb1c0e88869 (MD5) Previous issue date: 2011-05-31<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>The pregnancy as a process in woman's life requires several biological, psychological, relational and socio-cultural changes for the preparation for motherhood. By modifying its capacity and, at the expense of these factors, it is observed that the physical, social and emotional problems experienced by women during pregnancy can affect

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Mattoso, Cláudio Roberto Scabelo [UNESP]. "Doença de von Willebrand em cães: estudo da prevalência e caracterização da doença em cães normais e fêmeas durante o ciclo estral, gestação e lactação." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/104660.

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Made available in DSpace on 2014-06-11T19:33:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-12-10Bitstream added on 2014-06-13T20:05:17Z : No. of bitstreams: 1 mattoso_crs_dr_botfmvz.pdf: 656719 bytes, checksum: d01581a0d1caa64d2fc80ce00231b862 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>A Doença de von Willebrand (DvW) é o distúrbio hemostático hereditário mais comum nos homens e também nos cães. A DvW já foi diagnosticada em mais de 54 raças de cães nos EUA. A DvW é causada por u

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Veras, Mariana Matera. "Efeitos da poluição do ar da cidade de São Paulo sobre o processo reprodutivo de camundongos com ênfase no desenvolvimento da placenta e cordão umbilical." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/5/5160/tde-31102008-125138/.

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A poluição do ar é um importante fator ambiental de risco para muitos desfechos gestacionais e reprodutivos negativos. Neste estudo nós investigamos os efeitos da poluição particulada em dois períodos de exposição (antes da concepção e durante a gestação) sobre alguns desfechos reprodutivos e gestacionais em camundongos. Utilizando câmaras de exposição, uma recebendo ar filtrado (F) e outra ar não-filtrado (nF), observamos que as fêmeas expostas ao ar não filtrado apresentaram alterações na duração do ciclo estral, estro persistente e o número de folículos antrais reduziu cerca de 36% (75±35,2

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Mattoso, Cláudio Roberto Scabelo. "Doença de von Willebrand em cães : estudo da prevalência e caracterização da doença em cães normais e fêmeas durante o ciclo estral, gestação e lactação /." Botucatu : [s.n.], 2010. http://hdl.handle.net/11449/104660.

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Resumo: A Doença de von Willebrand (DvW) é o distúrbio hemostático hereditário mais comum nos homens e também nos cães. A DvW já foi diagnosticada em mais de 54 raças de cães nos EUA. A DvW é causada por um defeito quantitativo e/ou qualitativo do Fator de von Willebrand (FvW), e nos cães é dividida em 3 tipos, tipo I, II e III. O diagnóstico da DvW está baseado na quantificação do FvW plasmático e testes de função plaquetária dependentes do FvW. Esse estudo foi dividido em duas partes, avaliação da prevalência da DvW (parte I) e avaliação das alterações do FvW em cadelas gestantes, e durante

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Costa, Cristiane Ferreira da. "Utilização de corrente microgalvânica para o desenvolvimento de dois protocolos para tratamento de estrias albas." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/2739.

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O desenvolvimento de estrias durante a gestação é considerado a alteração fisiológica mais comum do tecido conjuntivo e poucas são as alternativas de tratamento destinadas a suavizar a aparência dessa alteração. O presente estudo desenvolveu e aplicou dois protocolos para o tratamento de estrias albas surgidas durante o período gestacional utilizando a corrente microgalvânica e verificando seus efeitos. Tratou-se de um estudo exploratório, experimental, de abordagem quantitativa e qualitativa, composto por 26 voluntárias com faixa etária entre 20 e 35 anos divididas igualmente em dois grupos.

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Dourado, Raquel Farrajota Coelho. "Gestação em cadelas da raça Retriever do Labrador : alterações hematológicas, perfil de progesterona e métodos de previsão da data do parto." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2018. http://hdl.handle.net/10400.5/16134.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A gestação é um período crítico na vida reprodutiva de uma cadela, no qual ocorrem alterações fisiológicas, que devem ser do conhecimento do Médico Veterinário para que não sejam julgadas como patológicas. O intervalo entre os cruzamentos/inseminações e o parto pode ser bastante variável, pelo que a determinação precisa da data do parto é crucial para que haja um correto acompanhamento da gestação, assim como uma ótima assistência aquando do parto. Uma monitorização adequada do estro permite, não só prever o período ideal para cobriç

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MOURA, Marquiliano Farias de. "Estudo morfológico de complexo Cumulus oophorus ovinos obtidos de folículos antrais em diferentes fases do ciclo estral da gestação." Universidade Federal Rural de Pernambuco, 2014. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6832.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2017-05-05T14:30:11Z No. of bitstreams: 1 Marquiliano Farias de Moura.pdf: 1343014 bytes, checksum: 18474259144cdf58c8045b49e60f7998 (MD5)<br>Made available in DSpace on 2017-05-05T14:30:11Z (GMT). No. of bitstreams: 1 Marquiliano Farias de Moura.pdf: 1343014 bytes, checksum: 18474259144cdf58c8045b49e60f7998 (MD5) Previous issue date: 2014-08-04<br>It was carried out a morphological study on Oocyte Cumulus Complex of sheep (COCs), in order to characterize them quantitatively, both during the proestrus and diameter phases of the estrous cycle, as d

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Li, Jiufeng. "Determination and evaluation of endocrine disrupting chemicals in urine samples of pregnant women by liquid chromatography-tandem mass spectrometry." HKBU Institutional Repository, 2020. https://repository.hkbu.edu.hk/etd_oa/757.

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Endocrine disrupting chemicals (EDCs) are emerging contaminants that can interfere with the hormone system and may cause cancers, birth defects and reproductive system disorders. Prevalence of endocrine-related dysfunction and disease has increased steadily over the past decades. Although accumulating data suggest that these diseases have fetal origins, associations of EDC exposure during pregnancy and adverse health effects on both mothers and fetuses have not been thoroughly evaluated, particularly at multiple points in time. We firstly developed an analytical method for quantification of 28

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Fernández, Barrés Sílvia. "Early life factors and childhood obesity development." Doctoral thesis, Universitat Rovira i Virgili, 2016. http://hdl.handle.net/10803/399640.

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L’obesitat infantil és un dels majors problemes de Salut Pública i comença en edat primerenca. Per tant, identificar factor de risc podria ajudar en la prevenció del desenvolupament d’obesitat infantil. L’objectiu principal d’aquesta tesi va ser investigar les associacions prospectives entre factors de risc potencialment modificables de l’embaràs i la infància, i el desenvolupament d’obesitat infantil. Vam utilitzar dades de dues cohorts de naixement del projecte INMA (Espanya) i del Projecte Viva (Estats Units). Vam explorar les associacions entre varis factors de risc pre i postnatals i l’ob

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Dantas, Janmilli da Costa. "Condutas de profissionais que realizam a consulta pr?-natal na Estrat?gia Sa?de da Fam?lia quanto ? detec??o, tratamento e acompanhamento da gestante com s?filis." Universidade Federal do Rio Grande do Norte, 2008. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14660.

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Made available in DSpace on 2014-12-17T14:46:37Z (GMT). No. of bitstreams: 1 JammilliCD.pdf: 1430027 bytes, checksum: fdf99e39213187cd63342d6cb1ae9dee (MD5) Previous issue date: 2008-04-17<br>The objective of this exploratory descriptive quantitative study was to analyze the behaviors in the detection, treatment and followup of the pregnant woman with syphilis, by health professionals that conduct the pre-natal consultation in the Family Health Strategy, as to the adherence to the recommendations of the Ministry of Health. The study was conducted in nine municipalites of the Trairi region

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Santos, Fabiana Spineti dos. "Diagnóstico da exposição fetal ao álcool através de biomarcadores em mecônio." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/60/60134/tde-20052016-100333/.

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A grande prevalência do consumo de álcool por mulheres em idade reprodutiva aliada à gravidez não planejada expõe a gestante a um elevado risco de se alcoolizar em algum momento da gestação, principalmente no início do período gestacional em que a maioria delas ainda não tomou ciência do fato. Assim, torna-se extremamente relevante o desenvolvimento de métodos de detecção precoce de recém-nascidos em risco de desenvolvimento de problemas do espectro dos transtornos relacionados à exposição fetal ao álcool. O objetivo desse estudo foi desenvolver, validar e avaliar a eficácia de um método de qu

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Prud'Homme, Marie-Jeanne. "Contribution a l'etude des mecanismes de regulation de la motricite uterine chez la brebis." Paris 6, 1987. http://www.theses.fr/1987PA066591.

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Ferguson, Mary. "Effect of GnRH, breeding weight, frame, condition and age on pregnancy rates in estrus synchronized beef heifers." 1985. http://hdl.handle.net/2097/27438.

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Mohamed, Hirad. "Estrus synchronization protocols for planned breeding and GnRH-agonist after timed insemination for pregnancy rate enhancement in dairy cattle." Thesis, 2000. http://hdl.handle.net/2429/10717.

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The aim of was to develop management protocols to improve reproductive efficiency in dairy cattle. The objective of Experiment 1 was to compare two methods of estrus synchronization. Eighty-nine dairy animals (67 cows and 22 heifers) were randomly assigned to either the Ovsynch or the Prostaglandin F[sub 2α] (PGF[sub 2α]) treatment group. Animals in the Ovsynch group received gonadotropin-releasing hormone (GnRH) followed by PG[sub 2α] on day 7 and second GnRH on day 9. Animals in the PGF[sub 2α] group were given two injections of PGF[sub 2α] 14 days apart. Both synchronization methods w

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Ochs, Gregory J. "Phospholipase A₂ espression during the estrous cycle and early pregnancy." 2008. http://etd.utk.edu/2008/OchsGregory.pdf.

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Ochs, Gregory Joseph. "Phospholipase A₂ expression during the estrous cycle and early pregnancy." 2008. http://trace.tennessee.edu/utk_gradthes/421.

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Acute control of prostaglandin production is essential for normal estrous cyclicity and maintenance of early pregnancy. The rate limiting step for prostaglandin production is the activation of Phospholipase A2. There are many phospholipase A2s, but few have been investigated in reproductive studies. The objective of this study was to examine PLA2 Groups IV and VI protein and mRNA expression in the uterine endometrium during the estrous cycle and early pregnancy in ewes. Ewes were monitored for estrous and uterine tissues were collected surgically on days 5 (n=3), 10(n=3) and 15(n=3) of the est

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Putluru, Ravi K. "Differential expression of superoxide dismutases (SODS) in bovine corpus luteum during estrous cycle and pregnancy." Thesis, 2006. http://hdl.handle.net/10125/20395.

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Bergfelt, Donald Rick. "Temporal relationships between circulating concentrations of FSH and follicular development during the estrous cycle and early pregnancy in mares." 1992. http://catalog.hathitrust.org/api/volumes/oclc/28742877.html.

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Li, Sheng Hsiang, and 李勝祥. "Ovarian Steroid-regulated Synthesis and Secretion of Complement C3 and Factor B in Mouse Endometrium During the Natural Estrous Cycle and Pregnancy Period." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/39205764506975434761.

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博士<br>國立臺灣大學<br>生化科學研究所<br>89<br>ABSTRACT We demonstrate the presence of complement factor B (Bf) and complement C3 in the uterine luminal fluid collected from estrogen-stimulated immature mice or adult females. We examined the synthesis and secretion of these two proteins in mouse endometrium at various stages of the natural estrous cycle and during the pregnancy period. The mRNA levels of these two proteins increased markedly in the proestrus and estrus and declined sharply in the metestrus to an undetectable level. Bf mRNA remained undetectable while a remarkable C3 mRNA level

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Ku, Pei-Ying, and 古沛瀅. "Study of Serum anti-Mullerian hormone and fibrinogen in pregnant bitches and the analysis of fluctuation of serum estradiol and progesterone in estrous bitches." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/56788398879853820395.

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Goh, Y. Ingrid. "Examining Different Levels of Prevention of Birth Defects and Fetal Alcohol Spectrum Disorder." Thesis, 2009. http://hdl.handle.net/1807/17463.

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While all women hope to deliver a healthy baby, approximately 3-5% babies are affected by birth defects. Birth defects can occur naturally or be induced by teratogens. Alcohol is a known teratogen that causes fetal alcohol spectrum disorder (FASD), the most commonly known cause of neurobehavioural and neurodevelopmental deficits. Individuals affected with FASD are likely to be involved with or require additional assistance from healthcare, education, social services, and justice sectors. Due to this immense burden, effective prevention of FASD can have a major public impact. Prevention of FASD

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Feng, Helen Chunying. "Investigation of the oxytocin receptor gene in sheep." Thesis, 2000. https://vuir.vu.edu.au/15592/.

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The increase in uterine oxytocin receptor (OTR)concentrations over the late luteal phase of the estrous cycle in sheep is thought to play an important role in the regulation of the cycle length by facilitating the effect of oxytocin on uterine prostaglandin release. At the end of pregnancy, a dramatic increase in the number of OTR also indicates the importance for OTR in the process of labor. In order to study the mechanisms underlying the resolution of OTR expression, the aim of this study was to obtain and characterise OTR cDNA and OTR gene transcripts, to determine the OTR gene expression

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