Articles with "bull" as a keyword



From rivers to ocean basins: The role of ocean barriers and philopatry in the genetic structuring of a cosmopolitan coastal predator

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Published in 2023 at "Ecology and Evolution"

DOI: 10.1002/ece3.9837

Abstract: Abstract The Bull Shark (Carcharhinus leucas) faces varying levels of exploitation around the world due to its coastal distribution. Information regarding population connectivity is crucial to evaluate its conservation status and local fishing impacts. In… read more here.

Keywords: rivers ocean; bull; cosmopolitan; ocean basins ... See more keywords

Novel “red‐bull sign” during cavotricuspid isthmus ablation: Indication of an ablation catheter stuck in the subeustachian pouch

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Published in 2022 at "Journal of Arrhythmia"

DOI: 10.1002/joa3.12793

Abstract: A subeustachian pouch (SEP) often hinders the completion of a cavotricuspid isthmus (CTI) ablation of typical atrial flutter (AFL) and sometimes causes steam‐pops during a power‐controlled ablation. We hypothesized that real‐time bull's‐eye monitoring of the… read more here.

Keywords: catheter; ablation; cavotricuspid isthmus; bull ... See more keywords

Development and application of a genetic baseline to inform bull trout (Salvelinus confluentus) passage and conservation in the Snake River

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Published in 2024 at "Conservation Genetics"

DOI: 10.1007/s10592-024-01649-z

Abstract: Barriers to upstream migration, such as dams, limit fish dispersal in lotic systems, including the federally protected bull trout (Salvelinus confluentus). The Hells Canyon Dam on the Snake River currently prevents upstream passage of migratory… read more here.

Keywords: canyon dam; bull; bull trout; hells canyon ... See more keywords

Rearing environment influences boldness and prey acquisition behavior, and brain and lens development of bull trout

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Published in 2017 at "Environmental Biology of Fishes"

DOI: 10.1007/s10641-017-0705-z

Abstract: Animals reared in barren captive environments exhibit different developmental trajectories and behaviors than wild counterparts. Hence, the captive phenotypes may influence the success of reintroduction and recovery programs for threatened and endangered species. We collected… read more here.

Keywords: bull trout; bull; boldness prey; prey acquisition ... See more keywords

Structural Changes in the Duration of Bull Markets and Business Cycle Dynamics

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Published in 2018 at "Asia-Pacific Financial Markets"

DOI: 10.1007/s10690-020-09324-2

Abstract: This paper tests for structural changes in the duration of bull regimes in 18 developed and emerging economies’ adjusted market capitalization stock indexes, by using the novel approach of Nicolau (Econ Lett 146:64–67, 2016) as… read more here.

Keywords: structural changes; bull; duration bull; changes duration ... See more keywords

Effect of biostimulation on growth rate and reproductive development of Bos indicus dairy heifers.

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Published in 2022 at "Tropical animal health and production"

DOI: 10.1007/s11250-022-03129-3

Abstract: The present study aimed to compare the growth rate, feeding behavior, reproductive development, and concentrations of GH and leptin in Sahiwal heifers exposed to direct bull contact, bull contact through a fenceline, or isolated from… read more here.

Keywords: growth rate; bull; growth; contact ... See more keywords

Nerve Growth Factor-β production in the bull: Gene expression, immunolocalization, seminal plasma constitution, and association with sire conception rates.

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Published in 2018 at "Animal reproduction science"

DOI: 10.1016/j.anireprosci.2018.09.006

Abstract: Nerve Growth Factor-β (NGF) is a seminal plasma protein that regulates sperm physiology in bulls, yet its production and association with fertility remain unclear. The objective of this study was to describe NGF distribution in… read more here.

Keywords: bull; plasma; association; seminal plasma ... See more keywords

Bull seminal plasma stimulates in vitro production of TGF-β, IL-6 and IL-8 from bovine endometrial epithelial cells, depending on dose and bull fertility.

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Published in 2020 at "Journal of reproductive immunology"

DOI: 10.1016/j.jri.2020.103179

Abstract: Seminal plasma (SP) regulates immune responses in the female reproductive tract through specific cytokines. It is not known whether SP from high fertility bulls (H) differs from SP from low fertility bulls (L). In this… read more here.

Keywords: bull; tgf tgf; production; tgf ... See more keywords

Calving distributions of individual bulls in multiple-sire pastures.

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Published in 2017 at "Theriogenology"

DOI: 10.1016/j.theriogenology.2017.01.010

Abstract: The objective of this project was to quantify patterns in the calving rate of sires in multiple-sire pastures over seven years at a large-scale cow-calf operation. Data consisted of reproductive and genomic records from multiple-sire… read more here.

Keywords: bull; calving rate; multiple sire; rank ... See more keywords

Epididymal α-l-fucosidase and its possible role in remodelling the surface of bull spermatozoa.

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Published in 2017 at "Theriogenology"

DOI: 10.1016/j.theriogenology.2017.08.016

Abstract: The mammalian epididymis provides an appropriate environment for sperm maturation. During the epididymal transit, spermatozoa undergo biochemical and morphological changes that lead to the acquisition of the fertilizing capacity. In this study we analysed the… read more here.

Keywords: bull; fucosidase; spermatozoa; epididymal fucosidase ... See more keywords

The extracellular vesicle tetraspanin CD63 journey from the testis through the epididymis to mature bull sperm

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Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-81021-w

Abstract: The important role of extracellular vesicles, which are considered key mediators of intercellular communication under physiological and pathological conditions, in various cellular processes, including those crucial for mammalian reproduction, has been increasingly studied. Tetraspanins, including… read more here.

Keywords: extracellular vesicles; bull; cd63; testis epididymis ... See more keywords