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Showing 1 to 20 of 87 for “"reproductive cycle"”.

  1. The Reproductive Cycle and Related Phenomena in The Raccoon

    Sanderson, Glen CharlesUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-05T17:47:48Z (GMT). No. of bitstreams: 1 6200669.pdf: 6483882 bytes, checksum: e10b120521a6e23c13b5b98bc0f43fdb (MD5) Previous issue date: 1961

    uiuc Repository record

  2. Ascorbic acid and the reproductive cycle : ascorbic acid and the estrous cycle

    Ha, Young Hee1974

    Thesis (M.S.)--Michigan State University. Dept. of Food Science and Human Nutrition, 1974

    msu Repository record

  3. The Hormonal Basis for the Reproductive Cycle in Reptiles, With Emphasis on Lizards.

    Holmes, Robert Arlen, II

    … various adjustments in the timing of its reproductive efforts and in the number of offspring produced. This is especially true among reptiles, who have utilized a diversity of reproductive "strategies" while occupying many ecological habitats.

    uab Repository record

  4. Central mechanisms involved in the reproductive cycle of the ring dove (Streptopelia Risoria)

    Askew, Janet AlisonUniversity of Central Lancashire1996

    … 2-treated doves and those at other stages of the reproductive cycle. High numbers of PR were localized in the developed oviduct in E 2-treated birds and on day I of incubation compared to control doves. In the anterior pituitary gland, a greater density of PR was observed in the pituitary of …

    cent-lancashire Repository record

  5. The ecology and reproductive cycle of Pygospio elegans claparède (Polychaeta: spionidae) from Tomales Bay, California

    Armitage, Debrah Lapp2018

    <p>Pygospio elegans Claparede (1863) is a relatively small, inconspicuous intertidal Spionid polychaete (10 to 15 mm in length) having approximately 50 to 60 body segments. The species occurs in high intertidal sand flats along the central California coast.</p><p>Pygospio elegans is one of three …

    u-pacific Repository record

  6. The Annual Reproductive Cycle Of Sternotherus Odoratus: Correlated Changes In Total Lipids And Plasma Steroids.

    McPherson, Roger Joe

    uab Repository record

  7. Characterization of Pituitary Protein Expression Patterns During Stages in the Reproductive Cycle of Turkey Hens

    Spellerberg, Amy MarieVirginia Tech2003

    Improvements in turkey reproductive efficiency is a very desirable goal for the turkey industry. The ability to maintain turkey hens in the egg-laying (LAY) stage and produce one additional egg per hen a year is estimated to save the turkey industry approximately $1.5 million dollars per year. …

    vt Repository record

  8. The Reproductive Cycle of Sceloporus undulatus From Alabama Corresponding Plasma Steroid Levels and Comments on Reproductive Variation.

    McKinney, Rose Brackin

    … fence lizards from Alabama were captured and reproductive parameters were measured. In males, the height of the breeding season (spermiogenesis and spermiation) occurred from March to May. Testis mass declined during this time. Spermatozoa were present in the epididymides until July. In June …

    uab Repository record

  9. Natural Reproductive Cycle of Northern Largemouth Bass in the Upper Midwest, with Applications to Off-season Spawning

    Spengler, Daniel E.

    … and abundance. In South Dakota, largemouth bass reproductive success and recruitment varies among populations, oftentimes yielding high density, slow-growing panfish populations in small impoundments. To address this concern, in addition to providing angling opportunities, northern largemouth …

    sdstate Repository record

  10. The neurobiology of central dopamine and progesterone in the reproductive cycle of the ring dove (Streptopelia risoria)

    Clark, Judith AnneUniversity of Central Lancashire1999

    … of neural and hormonal determinants of reproductive behaviours. Studies were undertaken to investigate the role of dopamine and progesterone in the expression of sexually differentiated patterns of behaviours during the breeding cycle, and provide the first mapping of tyrosine …

    cent-lancashire Repository record

  11. Histochemical Investigation of Ovarian Cholinesterases With Special Reference to Those of the Guinea-Pig (Cavia Porcellus) During the Reproductive Cycle

    Chaffee, Vincent WesleyUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-11T21:33:41Z (GMT). No. of bitstreams: 1 7114696.pdf: 4349733 bytes, checksum: c6df7f49055aeaa429f0bee18cb8b7a2 (MD5) Previous issue date: 1970

    uiuc Repository record

  12. Some physiological aspects of the reproductive cycle of the intertidal prosobranch <i>Thais lamellosa</i> Gmelin (1792).

    Stickle, William Bennett, Jr.Faculty of Graduate Studies and Research, University of Regina1970

    regina Repository record

  13. Localization of neurosecretory cells within the cerebral ganglia of Amphiphorus imparispinosus Griffin, 1898 (Hoplonemertea) and their possible regulatory role in the annual reproductive cycle

    Jacobson, Gail H.

    portland-state Repository record

  14. Ciclo reprodutivo, gametogênese e desenvolvimento larval de Asterina stellifera (Möbius, 1859) (Echinodermata: Asteroidea) na região de Cabo Frio, RJ

    Carvalho, Adriana Luiza Pimenta Sant'Iago deUniversidade Federal do Rio de Janeiro2001

    The development and reproductive cycle of Asterina stellifera were studied from amples taken from populations in two distinct habitats from Cabo Frio. One is an intertidal seagrass flat at Japonês lsland ( 1994-1995); the second is a sublittoral rocky-shore at Pontal Beaches ( 1999-2000). …

    brazil-uerj Repository record

  15. Food and water deprivation effects on reproduction of female Blattella germanica (L.)

    Durbin, Edward J. (Edward John)Virginia Polytechnic Institute and State University1983

    … of food and water deprivations during the reproductive cycle were studied. The data obtained are useful both in advancing our knowledge about the basic biology of this species, in addition to determining whether sanitation should continue to be stressed in cockroach pest management …

    vt Repository record

  16. Experimental cultivation of the South African scallop Pecten sulcicostatus

    Arendse, Dale CheryleDepartment of Biological Sciences2015

    … scallop species. This study aimed to examine the reproductive life cycle, in order to establish whether this species can be artificially conditioned to produce ripe gametes throughout the year and to investigate the various stages of cultivation, in order to determine whether this species is …

    cape-town Repository record

  17. Age, growth, and reproductive biology, of the winter skate, Leucoraja ocellata, in the western Gulf of Maine

    Sulikowski, James Antoni

    <p>This study describes the age, growth and reproductive biology of the winter skate, Leucoraja ocellata, in the Western Gulf of Maine. Age was estimated by enumerating annular bands within the vertebral centra. Precision of the age estimates was evaluated using the Index of Average Percent Error …

    unh-thes Repository record

  18. A Time and Place

    Rodgers, Todd DUniversity of Kansas2008

    … attention toward the unknown and unfamiliar. The reproductive cycle of plants, the structures that house their seeds, the manner in which the plant disperses these seeds, and the very shape of the seeds have all been focal points of examination. My desire to have a family and the curiosity …

    ku Repository record

  19. Comparação interpopulacional de caracteres morfológicos e reprodutivos do ouriço-do-mar Arbacia lixula (Linnaeus, 1758) (Echinodermata: Echinoidea) em duas localidades do litoral do estado do Rio de Janeiro

    Zama, Paula CaetanoUniversidade Federal do Rio de Janeiro2005

    … This work aims to compare morphological and reproductive traits in two sea urchin populations and verify the reproductive cycle of Arbacia lixula using gonadal index, maturity index and histological analysis of the gonads. Monthly 15 to 20 specimens were collected by free diving in Prainha, …

    brazil-uerj Repository record

  20. Social suppression of reproduction in the naked mole-rat, Heterocephalus glaber : -Plasma LH concentrations and differential pituitary responsiveness to exogenous GnRH

    Van der Westhuizen, Laura-AnnDepartment of Biological Sciences1997

    … the most extreme example of socially-induced reproductive suppression observed in any mammal. The majority of colony members remain reproductively suppressed for their entire lives, nevertheless they are not sterile, and can become reproductively active soon after removal from the colony. The …

    cape-town Repository record

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