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Tesis sobre el tema "Artificial insemination"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

Smith, Stuart. "Reproductive performance and artificial insemination in pigs." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321459.

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2

Dyer, Silke Juliane. "Strategies to improve artificial insemination by donor." Master's thesis, University of Cape Town, 1997. http://hdl.handle.net/11427/26264.

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Artificial insemination with donor sperm is a widely accepted form of treatment for severe male factor infertility. The introduction of quarantined, cryopreserved semen and the associated reduction in cycle fecundity when compared to fresh semen necessitated the development of strategies to improve the performance of frozen sperm. A prospective randomised clinical trail was undertaken in the Reproductive Medicine Unit at Groote Schuur Hospital to compare intrauterine insemination with intracervical insemination in a therapeutic donor insemination program with cryopreserved semen. The method of
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3

Ahangari, Yousef Jarari. "Cryopreservation of ram semen for artificial insemination." Thesis, Bangor University, 1992. https://research.bangor.ac.uk/portal/en/theses/cryopreservation-of-ram-semen-for-artificial-insemination(25836205-fd80-43ad-a725-ac602fb33b87).html.

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A theoretical study showed that Al can greatly affect the efficiency of sheep breeding schemes provided fertility is maintained at the highest levels. Factors that affect the survival of ram spermatozoa during preservation were studied. A pH range between 6 and 7 was well tolerated. The addition of 4% (v/v) glycerol to the diluted ram semen in Tris buffer lowered the motility and survival of spermatozoa during 5 hours of storage at 30'C. Following insemination of chilled ram semen, with and without glycerol in the diluent, lambing percentages of 59% and 73% respectively were obtained. Ram seme
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4

Laffoon, Michael R. "Artificial insemination and in vitro fertilization an Orthodox perspective /." Theological Research Exchange Network (TREN), 1986. http://www.tren.com.

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5

Kozink, Daniel Michael. "Enhancing Boar Reproductive Performance for Purposes of Artificial Insemination." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/46182.

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The objectives were to: 1) determine if im treatments of Lutalyse expedited the training of sexually inexperienced boars for semen collection and increased spermatozoal output, and 2) determine the effects of dietary L-carnitine supplementation on boar libido, semen quality, sperm production, and maintenance of sperm motility during liquid storage. Experiment 1 utilized lean-type, terminal-line boars (National Pig Development, Roanoke Rapids, NC) (n = 40; 177.4 ± 2.4 d of age and 112.8 ± 2.0 kg body weight) that had not previously experienced natural mating. Boars were individually moved
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6

Wiswedel, Klaus. "Sperm cryopreservation and artificial insemination at Groote Schuur Hospital." Master's thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/25895.

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The diagnosis and therapy managed by the specialities of infertile couples is traditionally of Gynaecology and Andrology. The latter is a subspeciality, which should combine the knowledge of urologists and gynaecologists in the treatment of sub or infertile men.
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7

Januskauskas, Aloyzas. "Assessment of viability and function of post-thaw spermatozoa from Swedish dairy AI bulls /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5435-2.pdf.

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8

Gil, Laureiro Jorge. "Fertility of frozen ram semen under field conditions : with special reference to influence of extenders and freezing procedures /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-5941-9_1+2.pdf.

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9

Melo, Leonardo de França e. "Progesterone-based fixed-time artificial insemination protocols for dairy cows." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-30092016-150847/.

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In the last 50 years, milk production increased in lactating dairy cows. In contrast, reproductive efficiency has dramatically decreased. Several causes may be involved, such as management and environmental factors, physiological and nutritional factors, disease challenges and others. Steroid hormone concentrations in high-producing lactating dairy cows are often at lower levels, due to high dry matter intake and increased liver blood flow and steroid hormones metabolism, which is associated with the compromised estrus expression and reduced oocyte quality, thus decreasing fertility. However,
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10

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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11

Behan, John. "The utilisation of artificial insemination in swine at reduced sperm cell concentration, and the subsequent effect upon fertility and fecundity." Thesis, Royal Veterinary College (University of London), 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.618281.

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12

DeJarnette, James Melton. "The effects of sperm dose, semen quality, and retrograde sperm blockage on accessory sperm number and embryo quality in the artificially inseminated bovine." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41929.

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13

Falchi, Laura. "Transcervical artificial insemination and physiology of the cervix of the sheep." Thesis, Royal Veterinary College (University of London), 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.558963.

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14

McCarthy, Brendan. "An examination and evaluation of the debate encompassing the Warnock Committee's Report on Human Fertilisation and Embrology : theological and ethical implications." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239012.

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15

Nadir, Sher. "Effect of high and low dosage of fresh and frozen semen on accessory sperm number, fertility and embryo quality in artificially inseminated cattle." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10222009-125208/.

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16

Hill, Scott L. "Serum and plasma metabolites and insemination timing associated with greater pregnancy risk in suckled beef cows subjected to artificial insemination programs." Diss., Kansas State University, 2016. http://hdl.handle.net/2097/34458.

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Doctor of Philosophy<br>Department of Animal Sciences and Industry<br>Jeffrey S. Stevenson<br>Four experiments were conducted in beef cows to determine factors that increased the probability of pregnancy per AI when cows are inseminated by appointment. Cows in all experiments were inseminated after a 7-d CO-Synch + CIDR program (100 μg GnRH [2 mL Factrel, Pfizer Animal Health, Whitehouse Station, NJ] 7 d before 25 mg PGF₂[subscript]α [d 0; 5 mL Lutalyse; Pfizer Animal Health]). Experiment 1 compared 1 vs. 2 inseminations and GnRH injection times at 60 and 75 h after the CO-Synch + CIDR program
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17

Quintana, Casares Pablo Ignacio. "Studies on the relationship between characteristics of ram semen and fertility." Title page, contents and summary only, 1991. http://web4.library.adelaide.edu.au/theses/09PH/09phq7.pdf.

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Includes bibliographical references (leaves 274-316) Examines several aspects of male reproduction in the sheep, and how these are related to fertility in the female when semen is introduced by natural mating or artificial insemination.
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18

Cheung, Ka-lung. "Proteomic profiling of uterine flushing from IVF patients : comparison between natural and stimulated cycles /." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36434164.

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19

Samo, Mohammed Uris. "Studies on the preservation of ram semen." Thesis, Bangor University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389688.

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20

Al-Furaiji, Mansour M. A. "The use of a monoclonal antibody to pregnant mare serum gonadotrophin in superovulation of cattle." Thesis, University of Aberdeen, 1989. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602258.

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Embryo transfer plays a very important role in the cattle industry and its application requires a consistent supply of viable embryos for use in such programmes. One way of achieving this is the development of reliable superovulation regimens, yielding a large number of high quality embryos. Superovulation with pregnant mare serum gonadotrophin (PMSG) induces a second wave of follicles after ovulation because it is eliminated slowly from the peripheral blood, causing high concentrations of oestradiol. This oestradiol may have an adverse effect on fertilization and early embryonic development.
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21

Chirinéa, Viviane Helena [UNESP]. "Inseminação artificial com sêmen congelado em cães." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/105987.

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Made available in DSpace on 2014-06-11T19:35:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-06-06Bitstream added on 2014-06-13T20:46:14Z : No. of bitstreams: 1 chirinea_vh_dr_botfmvz.pdf: 377109 bytes, checksum: 14a2afeb1c35186ec50ee38a1a81ba09 (MD5)<br>Universidade Estadual Paulista (UNESP)<br>A inseminação artificial (IA) utilizando sêmen congelado é uma ferramenta importante na reprodução de cães, visa o melhoramento genético e melhor aproveitamento do reprodutor. Além disso, a melhor metodologia para avaliar o potencial fecundante de uma amostra de sêmen é o teste in vivo. Por
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22

Nakafeero, Angella. "Response to different oestrous synchronisation protocols and fertility of ewes following artificial insemination." Diss., University of Pretoria, 2009. http://hdl.handle.net/2263/67834.

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The response of South African Mutton Merino (SAMM) ewes to synchronisation of oestrus and fertility following different protocols and artificial insemination (AI) were studied using data collected during the autumn breeding season. The study was aimed at comparing the effect of long and short-term progesterone (P4) treatment and their combination with either equine chorionic gonadotropin (eCG) or the ram effect (Ram) on oestrous response and fertility of ewes. Ewes (n = 78) were randomly allocated to four treatment groups in a 2×2 factorial design and primed with controlled internal drug relea
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23

Samuelson, David J. "Accuracy of predicting genetic merit of A.I. sampled bulls from pedigree information and the impact of son's proof on dam's PTA." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09292009-020134/.

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24

Alexander, Dayna C. "Effect of delaying insemination in beef heifers not expressing estrus by 48 hours after a 7-d CO-Synch plus controlled internal drug release timed artificial insemination protocol." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/34522.

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Master of Science<br>Department of Animal Sciences and Industry<br>Karol E. Fike<br>David M. Grieger<br>Synchronizing estrus before AI is an effective way to shorten the breeding season, and increasing the number of pregnancies per AI may lead to greater use and acceptance of synchronization protocols among beef producers. Our objective was to determine if pregnancy rates to fixed-time AI (FTAI) would be improved by delaying insemination in heifers not expressing estrus before FTAI in a 7-d CO-Synch + controlled internal drug release (CIDR) estrus-synchronization protocol. In Experiment 1, yea
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25

Rütz, Eva Maria K. "Heterologe Insemination - die rechtliche Stellung des Samenspenders Lösungsansätze zur rechtlichen Handhabung /." Berlin : Springer, 2008. http://site.ebrary.com/id/10217538.

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26

Saravia, Fernando. "Deep freezing of concentrated boar semen for intra-uterine insemination /." Uppsala : Swedish University of Agricultural Sciences, 2004. http://epsilon.slu.se/9815944.pdf.

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27

Fitzgerald, Robert. "A Comparison of Intrauterine and Cervical Artificial Insemination Rods on Farrowing Rate and Litter Size in Artificially Mated Sows." TopSCHOLAR®, 2005. http://digitalcommons.wku.edu/theses/496.

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This experiment compared the effects of two artificial insemination (AI) rods on farrowing rate and number of piglets born per litter. Three hundred eighty-nine sows were allotted into two experimental groups based on parity, body condition, and breed of sire influence of the sows. One hundred ninety-three matings were performed using the experimental intrauterine rod, and one hundred ninety-six matings were performed using the traditional cervical rod as the control. Total number of piglets born per litter was measured after each sow farrowed, and the farrowing rates were calculated at the en
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28

Chirinéa, Viviane Helena. "Inseminação artificial com sêmen congelado em cães /." Botucatu : [s.n.], 2008. http://hdl.handle.net/11449/105987.

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Orientador: Maria Denise Lopes<br>Banca: Frederico Ozanan Papa<br>Banca: Gilson Hélio Toniollo<br>Banca: Isabel Candia Nunes da Cunha<br>Banca: Fabiana Ferreira de Souza<br>Resumo: A inseminação artificial (IA) utilizando sêmen congelado é uma ferramenta importante na reprodução de cães, visa o melhoramento genético e melhor aproveitamento do reprodutor. Além disso, a melhor metodologia para avaliar o potencial fecundante de uma amostra de sêmen é o teste in vivo. Por isso, os objetivos deste trabalho foram determinar a taxa de gestação de cadelas, utilizando sêmen congelado em meio diluente T
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29

Cheung, Ka-lung, and 張嘉隆. "Proteomic profiling of uterine flushing from IVF patients: comparison between natural and stimulated cycles." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B4501064X.

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30

Chan, Po-heung, and 陳寶香. "Use of letrozole versus clomiphene citrate for superovulation in patients undergoing intrauterine insemination : a systematic review." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/206904.

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Background: Intrauterine Insemination (IUI)is one of the common first-line assisted reproductive technologies (ART) for couples suffering infertility. Controlled ovarian stimulation (COH) with clomiphene citrate (CC) or aromatase inhibitor (like Letrozole) is often used in adjunct to IUI to increase the pregnancy outcome. Both CC and letrozole can be given alone as a single ovulation induction agent or they can be combined with injectable gonadotropin for purpose of superovulation. Study objectives: To systematically review the efficacy and adverse outcomes of letrozole and CC for supervul
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31

Khan, Mohd Azam Khan bin Goriman. "Studies on capacitation and the effects of cooling and low temperature storage on stallion sperm function." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244254.

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32

Tamuli, Madan Kumar. "Studies on certain aspects of the development of resistance to cold shock in boar spermatozoa." Thesis, Royal Veterinary College (University of London), 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388535.

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33

Dalton, Joseph C. "Factors Important to the Efficiency of Artificial Insemination in Single-Ovulating and Superovulated Cattle." Diss., Virginia Tech, 1999. http://hdl.handle.net/10919/27139.

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To identify factors important to the efficiency of artificial insemination in cattle, four studies were conducted. In the first study, the addition of cream to the inseminate was used in an attempt to increase accessory sperm number. On d 6 after insemination, 60 embryos were evaluated. The addition of cream to the inseminate had no effect on accessory sperm number. In the second study, cryopreserved semen of a marked bull (spermatozoa exhibiting a semi-flattened anterior head) was matched with semen from an unmarked bull (conventional sperm head shape) to determine competitively the effect of
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34

Cipriano, Rafael Silva [UNESP]. "Variação na secreção de LH, FSH e no desenvolvimento folicular de novilhas nelore submetidasa protocolos de inseminação artificial em tempo fixo com diferentes concentrações de progesterona." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/94710.

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Made available in DSpace on 2014-06-11T19:27:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-08-14Bitstream added on 2014-06-13T19:35:12Z : No. of bitstreams: 1 cipriano_rs_me_araca.pdf: 1046361 bytes, checksum: 779be3d9a25d3b3245c78549a32c9bf2 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Avaliou-se a secreção de LHe FSH de plasmático em novilhasdurantea exposição à diferentes concentrações de progesterona(P4) e após a administração deGnRH ou benzoatodeestradiol (BE). Novenovilhas Nelore, pré-sincronizadas com PgF2a, emintervalo de 12 dias, foram submet
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35

Alves, Aracélle Elisane [UNESP]. "Avaliação da técnica de inseminação artificial intrauterina em fêmeas caninas por videolaparoscopia com sêmen fresco e descongelado." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/101126.

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Made available in DSpace on 2014-06-11T19:31:08Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-07-17Bitstream added on 2014-06-13T20:21:56Z : No. of bitstreams: 1 alves_ae_dr_jabo.pdf: 382934 bytes, checksum: 26d3285aa222f5838b3d67c55e5d0837 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>O objetivo deste estudo foi avaliar a taxa de concepção em cadelas após inseminação artificial intrauterina por videolaparoscopia. Um total de 20 cadelas foram inseminadas, sendo 10 com sêmen fresco e 10 com sêmen congelado. Os animais se encontravam em estro natural
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36

Machado, Marco Antonio. "Efeito do fator de crescimento IGF-I sobre a maturação in vitro de oócitos caninos (Canis familiaris) : avaliação da maturação nuclear e citoplasmática /." Jaboticabal : [s.n.], 2007. http://hdl.handle.net/11449/105950.

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Orientador: Gilson Hélio Toniollo<br>Banca: César Roberto Esper<br>Banca: Paulo Henrique Franceschini<br>Banca: Ricardo Toniolli<br>Banca: Maria Denise Lopes<br>Resumo: A presente pesquisa foi desenvolvida com o objetivo de avaliar os prováveis efeitos do fator de crescimento semelhante à insulina I (IGF-I) sobre a maturação in vitro (MIV), nuclear e citoplasmática, de oócitos caninos retirados de ovários de cadelas. Os complexos cumulus oócitos (COCs) foram maturados in vitro em meio SOF ("synthetic oviductal fluid"). Foram utilizadas 40 cadelas submetidas ovario-histerectomias para esteriliz
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37

Grove, Mary Beth. "Optimal time of insemination in dairy cattle identified in estrus by HeatWatch." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-08292008-063759/.

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Ternus, Eduardo Miotto. "Performance reprodutiva de leitoas submetidas à inseminação artificial pós-cervical." Universidade do Estado de Santa Catarina, 2016. http://tede.udesc.br/handle/handle/2544.

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Submitted by Claudia Rocha (claudia.rocha@udesc.br) on 2018-03-15T12:45:06Z No. of bitstreams: 1 PGCA16MA206.pdf: 750013 bytes, checksum: 70bddcd61c31dd2ee20002e2905f599e (MD5)<br>Made available in DSpace on 2018-03-15T12:45:06Z (GMT). No. of bitstreams: 1 PGCA16MA206.pdf: 750013 bytes, checksum: 70bddcd61c31dd2ee20002e2905f599e (MD5) Previous issue date: 2016-04-06<br>The objective of this study was to evaluate the reproductive performance of gilts subjected to post-cervical artificial insemination (PCAI) compared to traditional artificial insemination (TAI). We also evaluated the degree of
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Strickler, Tara Leigh. "Improving Assisted Reproductive Technologies in the Endangered Black-Footed Ferret: Artificial Insemination and Sperm Cryopreservation." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1267057806.

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Carmona, Julieta Maria Peixoto. "Resposta inflamatória uterina em éguas submetidas a inseminação artificial." Master's thesis, Universidade Técnica de Lisboa. Faculdade de Medicina Veterinária, 2011. http://hdl.handle.net/10400.5/3608.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>A inseminação artificial de éguas resulta invariavelmente numa resposta inflamatória uterina transitória e fisiológica cuja função é eliminar o excesso de espermatozóides, plasma seminal, diluidores e microrganismos do lúmen uterino. Esta inflamação é caracterizada por um influxo de polimorfonucleares neutrófilos (PMNs) para o lúmen uterino. A sua presença e magnitude pode ser diagnosticada através de ecografia uterina transrectal em combinação com citologia, cultura e/ou biópsia endometrial. São vários os intervenientes neste fenóme
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Martins, Thiago [UNESP]. "Efeitos das concentrações de progesterona, duração do proestro e diâmetro folicular sobre a taxa de concepção de novilhas Nelore submetidas à inseminação artificial após detecção do estro ou inseminadas em tempo fixo." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/96653.

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Made available in DSpace on 2014-06-11T19:28:24Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-11-30Bitstream added on 2014-06-13T19:16:16Z : No. of bitstreams: 1 martins_t_me_botfmvz.pdf: 1373980 bytes, checksum: f2c744fca36213ab387227a01d3d9dc0 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Universidade Estadual Paulista (UNESP)<br>O objetivo desse estudo foi avaliar o efeito das concentrações de progesterona no desenvolvimento folicular e a influência do diâmetro folicular e duração do proestro na concepção de novilhas púberes inseminadas após detecção d
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Ignácio, Fernanda Saules [UNESP]. "Avaliação funcional de estruturas luteais formadas após aspiração folicular em éguas." Universidade Estadual Paulista (UNESP), 2013. http://hdl.handle.net/11449/105903.

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Made available in DSpace on 2014-06-11T19:35:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2013-01-13Bitstream added on 2014-06-13T20:46:11Z : No. of bitstreams: 1 ignacio_fs_dr_botfmvz.pdf: 780944 bytes, checksum: 399ca6536c4a5a4c454f0633b28c2768 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Um grande fator limitante dos programas de transferência de embrião é o número de receptoras disponíveis durante a estação de monta. A aspiração de folículos ≥25mm promove a formação de uma estrutura lútea capaz de produzir progesterona em concentrações semelhantes ao
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Novaes, Filho Luiz Fernando [UNESP]. "Resposta luteal à PGF2α (Dinoprost Trometamina) durante as fases de luteogênese e manutenção do corpo lúteo em éguas". Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/110625.

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Made available in DSpace on 2014-11-10T11:09:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-07-14Bitstream added on 2014-11-10T11:57:44Z : No. of bitstreams: 1 000784153.pdf: 1615325 bytes, checksum: f1698e7c84f8e1f9d5d79d9ac9a019c3 (MD5)<br>Estudos recentes têm demonstrado diferentes respostas do CL quando da administração de prostaglandina F2α em diferentes doses e momentos. O objetivo deste trabalho foi avaliar o efeito do tratamento com baixas doses de PGF2α sobre características funcionais e estruturais de CLs em fases distintas do diestro em éguas. As éguas foram distribuída
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Peres, Kenya Costa [UNESP]. "Transporte placentário via cavéola na placenta de bovinos clonados e transgênicos." Universidade Estadual Paulista (UNESP), 2014. http://hdl.handle.net/11449/115903.

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Made available in DSpace on 2015-03-03T11:52:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-02-26Bitstream added on 2015-03-03T12:06:08Z : No. of bitstreams: 1 000809964.pdf: 1108463 bytes, checksum: 43fa89dc624ca99b382ecaa200b42518 (MD5)<br>A utilização da transgenia com a proteína fluorescente verde (GFP) como marcador de células de origem fetal nas placentas de clones bovinos servirá de modelo inédito para estudo morfofisiológico e imunológico da interação materno-fetal, visto que possibilitará o seu mapeamento, diferenciando as células fetais das maternas. Tal modelo terá apli
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Albuquerque, João Pedro de [UNESP]. "Estratégias para aumento da concentração de progesterona durante o desenvolvimento do folículo ovulatório em vacas holandesas em lactação submetidas à inseminação artificial em tempo fixo." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/136114.

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Made available in DSpace on 2016-03-07T19:21:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2015-12-11. Added 1 bitstream(s) on 2016-03-07T19:25:30Z : No. of bitstreams: 1 000858937.pdf: 237984 bytes, checksum: 61c941e361051e9de4cce1254082d23f (MD5)<br>O presente estudo avaliou se a concentração de P4 durante o desenvolvimento do folículo ovulatório em protocolo a base de P4/BE e com uma aplicação de GnRH em seu início interfere na prenhez à IATF em vacas Holandesas em lactação. A hipótese é que vacas com maior P4 no dia da aplicação da 1ª dose de PGF2α terão maior fertilidade. Para al
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Ignácio, Fernanda Saules. "Avaliação funcional de estruturas luteais formadas após aspiração folicular em éguas /." Botucatu : [s.n.], 2013. http://hdl.handle.net/11449/105903.

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Orientador: Cezinande de Meira<br>Banca: Luciano Andrade Silva<br>Banca: Cássia Maria Barroso Orlandi<br>Banca: Fernanda da Cruz Landim e Alvarenga<br>Banca: Sony Dimas Bicudo<br>Resumo: Um grande fator limitante dos programas de transferência de embrião é o número de receptoras disponíveis durante a estação de monta. A aspiração de folículos ≥25mm promove a formação de uma estrutura lútea capaz de produzir progesterona em concentrações semelhantes ao diestro (>2ng/ml). O objetivo do presente trabalho foi avaliar a formação lútea de folículos ≥25mm aspirados, o útero e a taxa de prenhez destes
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Peres, Kenya Costa. "Transporte placentário via cavéola na placenta de bovinos clonados e transgênicos/." Dracena, 2014. http://hdl.handle.net/11449/115903.

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Orientador: Flavia Thomaz Verechia Pereira<br>Banca: Cristiana Andrighetto<br>Banca: Vanessa Gomes Ueno<br>Resumo: A utilização da transgenia com a proteína fluorescente verde (GFP) como marcador de células de origem fetal nas placentas de clones bovinos servirá de modelo inédito para estudo morfofisiológico e imunológico da interação materno-fetal, visto que possibilitará o seu mapeamento, diferenciando as células fetais das maternas. Tal modelo terá aplicação direta, principalmente porque estes são animais que apresentam problemas em relação ao seu desenvolvimento. Com o auxílio deste modelo
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48

Albuquerque, João Pedro de. "Estratégias para aumento da concentração de progesterona durante o desenvolvimento do folículo ovulatório em vacas holandesas em lactação submetidas à inseminação artificial em tempo fixo /." Botucatu, 2015. http://hdl.handle.net/11449/136114.

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Orientador: José Luiz Moraes Vasconcelos<br>Banca: João Carlos Pinheiro Ferreira<br>Banca: Mario Binelli<br>Resumo: O presente estudo avaliou se a concentração de P4 durante o desenvolvimento do folículo ovulatório em protocolo a base de P4/BE e com uma aplicação de GnRH em seu início interfere na prenhez à IATF em vacas Holandesas em lactação. A hipótese é que vacas com maior P4 no dia da aplicação da 1ª dose de PGF2α terão maior fertilidade. Para alterar a P4 os animais (n=594) foram distribuídos aleatoriamente em dois grupos para receberem um ou dois dispositivos intravaginais de P4 (CIDR®,
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Alves, Aracélle Elisane. "Avaliação da técnica de inseminação artificial intrauterina em fêmeas caninas por videolaparoscopia com sêmen fresco e descongelado /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/101126.

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Orientador: Wilter Ricardo Russiano Vicente<br>Banca: Ana Paula Coelho Ribeiro<br>Banca: Maria Isabel de Mello Martins<br>Banca: Maria Denise Lopes<br>Banca: Paulo Henrique Franceschini<br>Resumo: O objetivo deste estudo foi avaliar a taxa de concepção em cadelas após inseminação artificial intrauterina por videolaparoscopia. Um total de 20 cadelas foram inseminadas, sendo 10 com sêmen fresco e 10 com sêmen congelado. Os animais se encontravam em estro natural e sob acompanhamento da citologia vaginal. Quando aproximadamente 90% das células se apresentaram cornificadas, foram realizadas dosage
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Novaes, Filho Luiz Fernando. "Resposta luteal à PGF2α (Dinoprost Trometamina) durante as fases de luteogênese e manutenção do corpo lúteo em éguas /". Botucatu :, 2014. http://hdl.handle.net/11449/110625.

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Orientador: Cezinande de Meira<br>Banca: João Carlos Pinheiro Ferreira<br>Banca: Cássia Maria Barroso Orlandi<br>Resumo: Estudos recentes têm demonstrado diferentes respostas do CL quando da administração de prostaglandina F2α em diferentes doses e momentos. O objetivo deste trabalho foi avaliar o efeito do tratamento com baixas doses de PGF2α sobre características funcionais e estruturais de CLs em fases distintas do diestro em éguas. As éguas foram distribuídas aleatoriamente em 8 grupos: D2-NaCL (n=6; 2 mL de solução de NaCl à 0,9%); D2-Pgf (n=9; 10 mg de Dinoprost Trometamina); D2-1/10Pgf
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