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Relevant bibliographies by topics / Reproduction in animals

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Dissertations / Theses

Academic literature on the topic 'Reproduction in animals'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Dissertations / Theses on the topic "Reproduction in animals"

1

Ibraheem, Majid. "The manipulation of seasonality of reproduction in sheep." Thesis, University of Aberdeen, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332379.

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The phenomenon of seasonability of reproduction restricts the ewe to only one lambing around the same time every year, which in turn prevents an even supply of lamb meat to the market. The long term objective of the current study was to develop two systems of early and summer lambing using alternative techniques for the manipulation of sheep production in an attempt to produce high quality lamb throughout the year. In recent years, major advances in our knowledge of seasonality of reproduction have been the recognition of the integral role of the pineal gland and its indoleamine melatonin in t

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2

Blackman, Helen Judith. "Women, savages and other animals : the comparative physiology of reproduction, 1850-1914." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.528438.

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This thesis examines the medical and scientific constructions of femininity, specifically the discoveries surrounding menstruation and the female reproductive cycle between the 1850s and the 1920s. I concentrate on the British, particularly the English, scene. I explore the emergence of reproductive physiology across four sites - obstetrics in London in the 1870s and 1880s, gynaecology in Liverpool during the late nineteenth and early twentieth centuries, embryology and morphology in Cambridge from the 1890s to the 1910s and finally the emergence of reproductive physiology from the Cambridge a

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3

Jimenez, Esbal. "Effects of Androgens on Reproduction in Female Pigs." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1206382656.

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4

Shrestha, N. P. "Factors affecting reproduction in pigs in the small scale farming sector in the hills of Nepal." Thesis, University of Aberdeen, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312456.

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This study reviews the factors affecting reproductive efficiency in PAC pigs and identifies the major constraints in traditional pig production systems in relation to climatic environment, nutrition and management practices in the hills of eastern Nepal. The different factors affecting reproductive efficiencies were investigated and the possible means to overcome these problems are outlined under Nepalese situations. The majority of the pigs in the hills of Nepal are reared below their LCT throughout the year, causing an estimated loss of 43 % of the total feed intake requirements by climatic

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5

Helliwell, Rachel J. A. "Target sites for melatonin in the sheep with particular reference to the photoperiodic control of reproduction." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602270.

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The aim of this study was to identify the potential target sites for the action of melatonin in sheep and to relate the findings to the photoperiodic control of reproductive activity in the female. It has been proposed that melatonin may have a direct luteotrophic role in several species, therefore the first experiment in this thesis was designed to investigate if melatonin acts directly on the ovine ovary to enhance progesterone production. The oral administration of 3mg melatonin, daily at 1500h, to anoestrous Blackface ewes advanced the onset of oestrous cyclicity and was associated with an

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6

Hanson, Sara Jeanette. "The molecular evolution of reproduction in animals: insights from sexual and asexual rotifers." Diss., University of Iowa, 2013. https://ir.uiowa.edu/etd/1618.

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Sex and meiosis are ubiquitous in eukaryotes as the primary mode of reproduction. This suggests that despite the theoretical energetic advantages of asexual reproduction, organisms capable of sexual reproduction are at a much greater long-term evolutionary advantage. Rotifers, a group of microinvertebrates, offer unique opportunities to examine the evolution of sex due to their extensive proliferation, successful adaptation to a wide variety of ecological niches, and the diversity of reproductive modes represented in the group. The cyclically parthenogenetic monogonont rotifers have overcome c

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7

Ortega-Pacheco, Antonio. "Reproduction of dogs in the tropics : with special reference to the population structures, reproductive patterns and pathologies, and a non-surgical castration alternative /." Uppsala : Dept. of Clinical Sciences, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200658.pdf.

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8

SALGADO, ANDREIA R. "Transferencia ovariana como alternativa para a restauracao das funcoes reprodutivas em femeas de camundongos irradiadas com radiacao gama de Co-60." reponame:Repositório Institucional do IPEN, 2010. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11530.

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9

Snyder, Rebecca Jo. "A behavioral and hormonal study of giant Panda (Ailuropoda Melanoleuca) reproduction." Diss., Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/29528.

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10

Ng, Pun-tung, and 吳潘東. "Reproductive traits and sexual selection in the mangrove littorinid snails, Littoraria ardouiniana and L. melanostoma." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B49799356.

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According to Darwin, any inheritable traits that enhance fitness (i.e. survival and reproductive success) would be adaptive in a given environment, and therefore subject to natural selection. Some traits that enhance reproductive success but not necessarily survival may, however, evolve through the process of sexual selection. The importance of sexual selection has been intensively studied in “higher animals” birds, mammals and insects but has largely been neglected in “lower animals” such as gastropods. Using two mangrove snails, Littoraria ardouiniana HEUDE 1885 and L. melanostoma GRAY 1839

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