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Showing 1 to 20 of 146 for “"ova"”.
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Differential diagnosis of nematode ova in cattle
… lies in errors due to mis-identifications of the ova. The 1953-1954 survey employed the differential egg count method. The present study is an outgrowth of the problem of identifying, with reasonable accuracy, some of the commonly occurring species of nematode ova found in samples of cattle feces.
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Studies on the Transmission of Helminth Ova by Cockroaches
Made available in DSpace on 2014-12-04T22:46:15Z (GMT). No. of bitstreams: 1 6104410.pdf: 3310207 bytes, checksum: 7524a72d7bf42837dbbd7fd5083be6e4 (MD5) Previous issue date: 1961
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The Effects of Low Temperature on Survival of Rabbit Ova
… through the highly experimental process of ova transfer, then more than the average number of offspring could be expected from a female in her life time. Because ova transplantation is in its infancy, many problem must be solved before this process for increasing the female gametes will …
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In vitro fertilization of rabbit ova and oviductal influences on fertilization
Thesis (M.S.)--Michigan State University. Dept. of Physiology, 1971
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Genetic analyses of growth, sexual maturation, and ova production in chickens
Five experiments were conducted to study genetic influences on growth and early egg production in chickens. Parental lines included White Plymouth Rocks divergently selected 25 generations for high (H) and for low (L) 56-day body weight and a closed population of Jersey Black Giants (JJ). F₁ …
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Viability and Infectivity of Parasitic Nematode Ova in Anaerobically Digested Sewage Sludge
Made available in DSpace on 2014-12-14T13:28:19Z (GMT). No. of bitstreams: 1 7915315.pdf: 3385284 bytes, checksum: 6bc8b0a3e1813e864aef87794020cfce (MD5) Previous issue date: 1979
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The Effect of Sewage Treatment Processes on The Viability of Taenia Taeniaeformis Ova and Embryonation of Toxocara Canis and The Effect of Soil Treated With Dried or Liquid Anaerobically Digested Sludge on Embryonation of Toxocara Canis Ova
Taenia taeniaeformis ova held at 15 C or room temperature (23 C) in raw sewage or activated sludge showed a significant decrease in viability from those in saline. In contrast, the ova of Toxocara canis kept under the same conditions did not show any significant difference from those in control …
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Effects of In Vitro Maturation and Fertilization of Cattle Ova on Rate of Twinning in Beef Cattle
… heifers were given a 5 ml injection of lutalyse. Ovaries were collected from slaughterhouse cows from which oocytes were aspirated, matured and fertilized in vitro and nonsurgically transferred to 25 recipients, with 5 (20 percent) calves born alive from five first-calf heifers. Birthweight, head …
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The Administration of P2Y12 Antagonist (P113) Attenuates Airway hyperresponsiveness and Airway Inflammation in an Ovalbumin (OVA) Specific Allergic Asthma Model
… treated withP113(30mg/kg) 30 minutes before OVA challenge. Airway responsiveness (AHR), cell composition and cytokine levels in bronchoalveolar lavage (BAL) fluid were evaluated.Human eosinophil EOL-1 cells were treated with LTE4 with or without pre-treatment of P113. Intracellular expression …
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Mechanical and Cellular Response to Biomineralization of Ovalbumin Scaffolds for Bone Tissue Engineering
Studies regarding the feasibility of ovalbumin (OVA) as a bone scaffold material have found its cost, availability, interaction with cells, and ability to degrade in the body into safe byproducts to be ideal for such an application. However, weak mechanical properties cause hesitation in the use of …
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Peptide immunotherapy in models of allergic airways disease
… aid translation to the allergy clinic. Chicken ovalbumin (OVA) is a commonly used model allergen in mouse models of allergic airways inflammation (AAI). Trackable, T cell receptor transgenic T cells recognizing the immunodominant 323-339 peptide of OVA (pOVA) allow mechanistic investigation of …
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Towards unravelling the immunomodulatory mechanisms of S. mansoni & L. major parasites in a mouse model using transgenesis
… these pathogens. Therefore, in this study, OVA transgenic S. mansoni and OVA transgenic L. major were generated to use as a tool to measure the degree of immune memory resilience (defined as an ability of the immune memory to withstand pathogen manipulation) of T helper cells on the face of …
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Development of vaccines against allergic asthma using products derived from intracellular bacteria or helminths
… (AHR) unterdrücken, wenn sie zusammen mit OVA/alum verabreicht wurden. Die Lungeneosinophilie konnte jedoch nicht in IL-12 oder IFN-gamma defizienten Mäusen durch die Applikation von hk-BCG, CpG oder PPD verhindert werden. Interessanterweise waren jedoch lebende BCG in der Lage, die …
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The interactions of tolerogenic dendritic cells, induced regulatory T cells and antigen-specific IgG1-secreting plasma cells in asthma
… We reported previously that treatment of OVA-asthmatic mice with allergen-presenting IL-10-differentiated dendritic cells (DC) (DC10) leads to progressive and long-lasting full-spectrum asthma tolerance. However, little has been done in investigating a role for antigen-specific B cells in …
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Factors Important to the Efficiency of Artificial Insemination in Single-Ovulating and Superovulated Cattle
… event. On d 6 after insemination, 529 embryos(ova) were recovered. Fertilization rates were 29% (0 h); 60% (12 h); and 81% (24 h)(P < .01). Percentages of embryos with accessory sperm were: 5 (0 h); 8 (12 h); and 41(24 h) (P < .01). In the fourth study, three experiments utilizing superovulated …
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The regulation of allergic airway disease by type V collagen-induced tolerance
… with col(V) prior to sensitization with ovalbumin (OVA), and subsequent OVA intranasal challenge. Airway hyper-responsiveness (AHR) to methacholine was measured; and RT-PCR utilized to determine local Il17 transcripts. Bronchoalveolar lavage levels of C3a¸ C5a and OVA-specific IgE were …
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Receptor-Mediated Antigen Delivery by Α<Sub>2</Sub>-Macroglobulin: Effect on Cytotoxic T Lymphocyte Immunity and Implications for Vaccine Development
… that α<sub>2</sub>M*-delivered Ag (ovalbumin, OVA) enhances the production of specific <italic>in vitro</italic> and <italic>in vivo</italic> CTL responses. <br><p>Murine splenocytes expressing a transgenic T cell receptor (TCR) specific for CTL peptide OVA<sub>257-264</sub> …
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Alergia alimentar - temporalidade X antigenicidade
… tolerance induction protocol with peanut (A), OVA (O) and chow (R) prior to systemic immunization. Subsequently all groups were subdivided into three groups according to the antigen inoculated Peanut (1), Ova (2) and Saline (3). In the second experiment, control group - C1 was submitted to oral …
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Staphylococcal Enterotoxin B Induced Clonal Anergy in αβ T Cell Receptor Transgenic Mice
… cells to a superantigen was followed by priming ovalbumin (OVA) specific αβ T cell receptor transgenic mice with SEB. Cells from these mice appeared to be anergic in that they were hyporesponsive to OVA peptide as well as to SEB. The anergic cells could respond to PMA and ionomycin suggesting …
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