Literatura científica selecionada sobre o tema "Swine Reproduction"

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Artigos de revistas sobre o assunto "Swine Reproduction"

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Prodanov-Radulovic, Jasna, Radoslav Dosen, Igor Stojanov, Ivan Pusic, Milica Zivkov-Balos, and Radomir Ratajac. "Influence of mycotoxin zearalenone on the swine reproductive failure." Zbornik Matice srpske za prirodne nauke, no. 124 (2013): 121–29. http://dx.doi.org/10.2298/zmspn1324121p.

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Reproductive failure in swine is often a difficult diagnostic problem. If diagnoses of infectious disease or management related problems are not obtained, feed quality and safety may be questioned. Mycotoxins are often present in swine feed in the amount that can have detrimental impact on production and reproduction. Problems are expressed only as alterations of the reproductive cycle, reduced feed intake, slow growth or impaired feed efficiency. In Serbia, generally speaking, high concentrations of mycotoxins were noticed, especially mycotoxin zearalenone. High presence of zearalenone in swi
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Petrujkic, Tihomir. "New biotechnological procedures in swine reproduction." Veterinarski glasnik 56, no. 1-2 (2002): 111–23. http://dx.doi.org/10.2298/vetgl0202111p.

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New biotechnological procedures and the use of hormones in swine breeding are aimed at increasing the number of piglets in the litter. In small herds and groups, selected sows with 16 mammary complexes (tits) can yield up to 32 piglets, or porkers, per year per sow. In order to achieve such reproduction results, special, individual stalls for sow deliveries are used, in addition to biotechnological methods, with a warm core and floor heating, phased diet and clean facilities. The ovulation value in swine is determined by their genetic and paragenetic effects, and it is often provoked and incre
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Khulal, Aarati, Prativa Sharma, Asmin Khulal, and Surya Sharma Bhatta. "A REVIEW ARTICLE ON NON-GENETIC FACTORS AFFECTING REPRODUCTIVE TRAITS IN SWINE." Malaysian Animal Husbandry Journal 1, no. 2 (September 3, 2021): 71–76. http://dx.doi.org/10.26480/mahj.02.2021.71.76.

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This review studies several factors affecting the reproductive performance of swine chiefly focusing on sow-related factors, which have significant economic importance. A sow’s productivity is determined by different reproductive attributes, including litter size, litter weight at weaning, farrowing rate, the return of oestrus, and many more. The increase in number of pigs born alive and weaned piglets per sow is an aim for swine husbandry.Various factors such as parity, housing, feed, gestation length, season, and temperature are considered in this paper. Sows of differing parities have perfo
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Pressing, Anton L. "Pharmacologic Control of Swine Reproduction." Veterinary Clinics of North America: Food Animal Practice 8, no. 3 (November 1992): 707–23. http://dx.doi.org/10.1016/s0749-0720(15)30712-x.

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Rutledge, J. J. "Maternal Effects in Swine Reproduction." Biotechnology & Biotechnological Equipment 4, no. 5-6 (January 1990): 55–57. http://dx.doi.org/10.1080/13102818.1990.10818621.

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Kwit, Krzysztof, Małgorzata Pomorska-Mól, and Iwona Markowska-Daniel. "Infectious agents involved in reproduction failure in swine." Medycyna Weterynaryjna 72, no. 6 (2016): 345–51. http://dx.doi.org/10.21521/mw.5523.

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Problems in the reproduction of pigs may be the result of interaction of various factors, both infectious and non-infectious. Among the infectious agents, the greatest economic losses are caused by viral infection of pregnant gilts and sows. In the present study the most important pathogens causing reproductive disorders in pigs, including parvovirus (PPV), porcine reproductive and respiratory syndrome (PRRSV), swine influenza virus (SIV), porcine circovirus type 2 (PCV2), enteroviruses, encephalitis virus (EMCV), Aujeszky's disease virus (ADV), classical swine fever virus (CSFV), Leptospira s
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Dosen, Radoslav, Mladen Gagrcin, Jasna Prodanov, and Dusan Orlic. "Parvoviral Infections in Swine." Veterinarski glasnik 56, no. 1-2 (2002): 13–19. http://dx.doi.org/10.2298/vetgl0202013d.

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Viral infections hold an important place among factors which can cause disorders in swine reproduction. Infections with the porcine parvovirus (PPV) are present in all herds. In the past four years, 70-77% seropositive animals have been registered in herds of the industrial type. There are increasing reports about disorders in swine reproduction, both from individual breeders and mini farmers, caused by parvoviral infections. The objective of this work is to demonstrate the latest knowledge on epizootiology, pathogenesis, diagnostics, and prophylaxis of this diseases.
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Sabev, Zh. "PROLACTIN RECEPTOR GENE (PRLR) ROLE IN SWINE REPRODUCTION." Trakia Journal of Sciences 17, no. 1 (2019): 75–80. http://dx.doi.org/10.15547/tjs.2019.01.012.

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PRLR gene has been studied as a candidate gene for litter size in swine because of prolactin biological functions and their association with reproduction. Prolactin receptor gene is mapped on porcine chromosome 16. The established PCR-RFLP polymorphism at PRLR locus demonstrated the presence of two alleles, А and В and three genotypes АА, АВ and ВВ. There were found different allele and genotype frequencies in different pig populations with variation of the effects of PRLR genotypes on litter traits. Additional studies should be done in specific breeds and populations to evaluate the associati
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Belstra, Brad A. "483 Current Knowledge Gaps in Swine Reproduction." Journal of Animal Science 99, Supplement_3 (October 8, 2021): 212–13. http://dx.doi.org/10.1093/jas/skab235.386.

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Abstract Identifying swine reproduction research opportunities, especially those that add value by addressing industry challenges and leveraging assisted reproductive technologies (ART) will be the focus of this talk. ART and genetic selection to increase pork production efficiency have been intertwined since the use of artificial insemination (AI) became widely adopted 30 years ago. Tremendous efficiency gains have been made in part by increasing litter size which is nearly 6 to 7 pigs larger today than it was in 1990. The increased farrowing duration and stillbirths, and decreased piglet bir
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Austin, Adrian G., and Jeff G. Wiegert. "155 Opportunities and Challenges of Teaching Laboratory Content of a Swine Discipline-focused Course with Limited Swine Access." Journal of Animal Science 99, Supplement_1 (May 1, 2021): 143–44. http://dx.doi.org/10.1093/jas/skab054.244.

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Abstract In spring semester, 2020, ANSC 412: Swine Production and Management (4 credits, lecture and laboratory) was offered in the Department of Animal Science at Texas A&M University following a period of nonappearance in the curriculum. Simultaneously, planned renovation of the campus swine teaching farm required depopulation of the existing herd. Hence, animal access for course laboratories was restricted for the 2020 spring and fall semesters. The objective is to present strategies to achieve effective laboratory learning objectives with limited livestock access. Average course enroll
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Teses / dissertações sobre o assunto "Swine Reproduction"

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Rhéaume, John. "Manganese nutrition in rat and swine reproduction." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74293.

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Experiments were conducted with littermate gilts maintained in stainless steel metabolism cages within environmentally controlled rooms and consuming a corn-soybean meal based diet. The objectives of these studies were to investigate the impact of different dietary levels of manganese (Mn) and/or stage of the reproductive cycle on mineral metabolism and more specifically Mn metabolism in primigravid gilts and rats. Nutritional status was assessed using conventional balance studies, the analyses of physiological fluids (urine, plasma, colostrum, milk), tissues of the dam and offspring, and by a
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Jolley, David Buck Ditchkoff Stephen S. "Reproduction and herpetofauna depredation of feral pigs (Sus scrofa) at Fort Benning, Georgia." Auburn, Ala., 2007. http://repo.lib.auburn.edu/2006%20Fall/Theses/JOLLEY_BUCK_59.pdf.

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Trudeau, Vance L. "Influence of season and social environment on reproductive processes of the adult Landrace boar." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65367.

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Hansen, Christiane. "The presence of follicular fluid in the porcine oviduct and its contribution to the acrosome reaction /." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61855.

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Barahona, Roberto G. Suazo. "Intrauterine position in pigs: effects on conceptus development and fetal fluids steroid content." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/43288.

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The purpose of this study was to investigate the effect of intrauterine position and its possibly resultant steroid differential on conceptus growth and steroid content in allantoic and amniotic fluid of pigs. six conceptus variables (placental weight, placental length, fetal weight, fetal length, allantoic fluid volume and amniotic fluid volume) and seven steroids (progesterone, androstenedione, dehydroepiandrosterone, dehydroepiandrosterone sulfate, testosterone, estrone and estrone sulfate) were evaluated. Four fetal positions were studied: females between females (f2F), females between mal
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Jeantet, Meriella Anita. "In vitro progesterone and estrone synthesis by the porcine placenta and endometrium at 30, 60 and 90 days of gestation." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/91126.

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The present studies were conducted to gain a better understanding of the effects of pregnenolone (P₅), human chorionic gonadotropin (hCG) and 3' 5', cyclic adenosine monophosphate ( cAMP) on porcine placental and endometrial production of progesterone (P₄), testosterone (T) and estrone (E₁) at 30, 60 and 90 days of gestation. Duplicate 300 mg samples of placenta, endometrium or both (co-incubation) were incubated in medium199 containing either no P₅, P₅, P₅ + hCG or P₅ + cAMP for either zero (control), .5, 1 or 2 h. The first study compared P₄ and E₁ production with or without addition of P₅
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Cassidy, Carrie. "Further evidence that prostaglandin F2-alpha is the obligatory eicosanoid in porcine ovulation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0004/MQ44139.pdf.

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Jiwakanon, Jatesada. "The porcine endosalpinx at different reproductive stages : morphology, immune cell infiltration and cytokine expression /." Uppsala : Dept. of Clinical Sciences, Swedish University of Agricultural Sciences, 2009. http://epsilon.slu.se/200912.pdf.

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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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Bailekae, Masenya Matshidiso. "Development of cryopreservation strategies for improved reproductive competence in South Africa pig genotypes." Thesis, [Bloemfontein?] : Central University of Technology, Free State, 2012. http://hdl.handle.net/11462/145.

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Thesis (M. Tech. Agriculture) -- Central University of Technology, Free state, 2012<br>Frozen-thawed boar sperm has the potential to impact the future of the swine industry. The objectives of the study were to characterise semen of Kolbroek and Large White boars, find a suitable holding temperature and extender, determine the effect of breed and pregnancy rate following artificial insemination by frozen-thawed boar semen. A total of eight boars and 33 sows were used in this study. The 120 ejaculates were collected from each individual Kolbroek and Large White boars with the gloved-hand techni
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Livros sobre o assunto "Swine Reproduction"

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(1996), Swine Reproduction Symposium. Swine Reproduction Symposium, 1996. Hastings, NE: The College, the Society, and the Association, 1996.

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Rydhmer, Lotta. Pig reproductive genetics: And correlations between reproduction and production traits. Uppsala: Sveriges Lantbruksuniversitet, 1993.

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Controlled reproduction in pigs. Wallingford, Oxon, UK: CAB International, 1997.

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International Symposium on Pig Reproduction (4th 1993 University of Missouri-Columbia). Control of pig reproduction IV: Proceedings of the Fourth Intenational Symposium on Pig Reproduction held at the University of Missouri-Columbia, USA, May 1993. Cambridge: Journals of Reproduction & Fertility, 1994.

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Thilander, Gisela. Studies on the porcine myometrium during the oestrous cycle, pregnancy and parturition. Uppsala: Sveriges Lantbruksuniversitet, 1989.

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International Conference on Pig Reproduction (8th 2009 Banff, Alta.). Control of pig reproduction VIII: Proceedings of the Eighth International Conference on Pig Reproduction, Alberta, Canada, June 2009. Nottingham: Nottingham University Press, 2009.

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A, Cole D. J., Foxcroft G. R, and Weir Barbara J, eds. Control of pig reproduction II: Proceedings of the Second International Symposium on Pig Reproduction held at Columbia, Missouri, U.S.A., May, 1985. Cambridge, U.K: Journal of Reproduction and Fertility Ltd., 1985.

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International Conference on Pig Reproduction (3rd 1989 Sutton Bonington, Nottinghamshire). Control of pig reproduction III: Proceedings of the Third International Conference on Pig Reproduction, held at University of Nottingham School of Agriculture, Sutton Bonington, U.K., April 1989. Cambridge, U.K: Journal of Reproduction and Fertility, 1990.

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Eliasson-Selling, Lena. Puberty and oestrous symptoms in gilts with special reference to the relationship with production traits. Uppsala: Sveriges Lantbruksuniversitet, 1991.

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Mburu, Jane Njambi. Sperm distribution in the porcine oviduct in relation to spontaneous ovulation and stress. Uppsala: Sveriges Lantbruksuniversitet, 1997.

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Capítulos de livros sobre o assunto "Swine Reproduction"

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García-Vázquez, Francisco Alberto, Chiara Luongo, Gabriela Garrappa, and Ernesto Rodríguez Tobón. "Reproductive Biotechnologies Applied to Artificial Insemination in Swine." In Biotechnologies Applied to Animal Reproduction, 283–323. Includes bibliographical references and index.: Apple Academic Press, 2020. http://dx.doi.org/10.1201/9780367817527-12.

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Kaur, Upinder, Richard M. Voyles, and Shawn Donkin. "Future of animal welfare - technological innovations for individualized animal care." In Improving animal welfare: a practical approach, 351–62. 3rd ed. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789245219.0351.

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Abstract This chapter discusses the new technological solutions that can solve problems in animal reproduction management, activity and location tracking, feed and feed management and health and disease monitoring. Some practical and feasible commercial solutions that can address some of the issues affecting sectors such as cattle farming, poultry, swine agriculture and aquaculture are presented. The potential of some of the emerging technologies such as cameras, artificial intelligence, the internet, 5G and robotics in creating new avenues in fast communication, wide range connectivity and data-driven decision making to build truly connected farms of the future are also described.
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Bouchard, Guy F., Ronald M. McLaughlin, Mark R. Ellersieck, Gary F. Krause, Craig Franklin, and Chada S. Reddy. "Reproductive Characteristics in Sinclair Miniature Swine." In Advances in Swine in Biomedical Research, 533–42. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-5885-9_9.

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White, Brett R., JoElla Barnes, and Matthew B. Wheeler. "Reproductive Physiology in Chinese Meishan Pigs." In Advances in Swine in Biomedical Research, 503–21. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4615-5885-9_7.

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Yoon, Kyoung-Jin. "Porcine Reproductive and Respiratory Syndrome: Virology." In Trends in Emerging Viral Infections of Swine, 339–46. Ames, Iowa, USA: Iowa State Press, 2008. http://dx.doi.org/10.1002/9780470376812.ch10c.

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Yoon, Kyoung-Jin, and Greg Stevenson. "Porcine Reproductive and Respiratory Syndrome: Diagnosis." In Trends in Emerging Viral Infections of Swine, 347–54. Ames, Iowa, USA: Iowa State Press, 2008. http://dx.doi.org/10.1002/9780470376812.ch10d.

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Neibergs, Holly, and Ricardo Zanella. "Genomics of Reproductive Diseases in Cattle and Swine." In Reproductive Genomics in Domestic Animals, 99–127. Oxford, UK: Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9780813810898.ch5.

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Zimmerman, Jeffrey J. "Porcine Reproductive and Respiratory Syndrome Virus: Epidemiology." In Trends in Emerging Viral Infections of Swine, 331–37. Ames, Iowa, USA: Iowa State Press, 2008. http://dx.doi.org/10.1002/9780470376812.ch10b.

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Daniels, C. Scanlon, and Mark A. Fitz Simmons. "Control of Porcine Reproductive and Respiratory Syndrome in Large Systems: Strategies for the Future." In Trends in Emerging Viral Infections of Swine, 369–73. Ames, Iowa, USA: Iowa State Press, 2008. http://dx.doi.org/10.1002/9780470376812.ch10h.

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Segalés, Joaquim, and Monte B. McCaw. "Bacterial Infections are Potentiated by Porcine Reproductive and Respiratory Syndrome Virus Infection: Fact or Fiction?" In Trends in Emerging Viral Infections of Swine, 359–64. Ames, Iowa, USA: Iowa State Press, 2008. http://dx.doi.org/10.1002/9780470376812.ch10f.

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Trabalhos de conferências sobre o assunto "Swine Reproduction"

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Glogerley Tatiana Sales, Elias Tadeu Fialho, Tadayuki Yanagi Junior, Rilke T. Fonseca de Freitas, Vitor Hugo Teixeira, Richard S Gates, and George B Day. "Thermal Environment Influence on Swine Reproductive Performance." In Livestock Environment VIII, 31 August - 4 September 2008, Iguassu Falls, Brazil. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25582.

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Henmi, Tomohiro, Misuzu Chujo, Yuichiro Ohta, and Mingcong Deng. "Reproduction of swing-up and giant swing motion of Acrobot based on a technique of the horizontal bar gymnast." In 2014 11th World Congress on Intelligent Control and Automation (WCICA). IEEE, 2014. http://dx.doi.org/10.1109/wcica.2014.7053137.

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