Results 21 to 30 of about 60,411 (269)

Histopathological changes induced by ectoparasites on gills and skin of Oreochromis niloticus (Burchell 1822) in fish ponds

open access: yes, 2021
The aim of this study was to investigate the effect of ectoparasites on gills and skin of (Oreochromis niloticus). Fish and water samples were brought to the laboratory from a tilapia fish farm in Riyadh area of Saudi Arabia.
E. Suliman   +2 more
semanticscholar   +1 more source

Clarias gariepinus Burchell 1822

open access: yes, 2023
Clarias gariepinus Burchell, 1822 [N]—North African catfish; Sfamnun matzui Taxonomy. Original description: Silurus (Heterobranchus) gariepinus Burchell, 1822: 425, fig. on p. 445 [Vaal River, at Smidtsdrift, above confluence with Riet River, Cape Province, South Africa (28°42’10”S, 24°04’29”E); neotype: SAIAB 520; neotype evidently selected by Bruton &
Çiçek, Erdoğan   +4 more
openaire   +3 more sources

Bridging the gaps in employee colunteering: Why the third sector doesn't always win [PDF]

open access: yes, 2017
Employee Volunteering (EV) schemes represent a cornerstone of many company Corporate Social Responsibility (CSR) strategies, being identified as a classic “win-win” situation in which businesses contribute significant resources into local communities ...
Burchell, Jon, Cook, Joanne
core   +1 more source

Analecta Veterinaria | Volumen 32 | Número 2

open access: yesAnalecta Veterinaria, 2012
Artículos de Investigación/Research articles - Relación entre parámetros ultrasonográficos y edad gestacional en la gata doméstica. Relationship between ultrasonographic measurements and gestational age in the queen | García Mitacek MC, Praderio RG ...
Facultad de Ciencias Veterinarias::http://voc.sedici.unlp.edu.ar/node/47693::600
doaj   +6 more sources

Sleeping with the enemy? : strategic transformations in business - NGO relationships through stakeholder dialogue [PDF]

open access: yes, 2012
Campaigning activities of non-governmental organisations (NGOs) have increased public awareness and concern regarding the alleged unethical and environmentally damaging practices of many major multinational companies.
Burchell, Jon, Cook, Joanne
core   +2 more sources

The black-necked grebe Podiceps nigricollis. A new bird record for the Kruger National Park

open access: yesKoedoe: African Protected Area Conservation and Science, 1976
The avifauna of the Kruger National Park (KNP) was described in detail by Kemp (1974). However, species new to the list are bound to turn up occasionally.
A. C. van Bruggen
doaj   +1 more source

Carica papaya and Mangifera indica modulate haematological, biochemical and histological alterations in atrazine-intoxicated fish, Clarias gariepinus (Burchell 1822)

open access: yesJournal of Basic and Applied Zoology, 2021
Background Atrazine has impacted negatively on fish by inducing significant alterations in their haematological, biochemical and histological parameters. Mitigating such alterations to enhance fish survival becomes pertinent.
O. Owolabi, S. Abdulkareem
semanticscholar   +1 more source

L'échinococcose des artiodactyles sauvages de la République Centrafricaine : existence probable d'un cycle lion-phacochère

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1980
Les auteurs signalent la présence simultanée, dans la zone cynégétique de l'Est de la République Centrafricaine, de phacochères atteints d'hydatidose larvaire et d'un lion porteur de nombreux Taenia échinocoques qui pourraient représenter une souche d ...
M. Graber, J. Thal
doaj   +1 more source

Estimating the total prevalence of PTSD among the UK police force: Formal comment on Stevelink et al. (2020).

open access: yesPLoS ONE, 2022
Two recent surveys have reported widely differing prevalence rates for posttraumatic stress disorder (PTSD) within the U.K. police force. Stevelink et al. (2020) reported a rate of 3.9% whereas a survey conducted for the charity Police Care UK reported a
Chris R Brewin   +2 more
doaj   +3 more sources

Genetic Variation between Triploid and Diploid Clarias gariepinus (Burchell, 1822) Using RAPD Markers

open access: yesVeterinary Sciences, 2021
This study was designed to examine the use of RAPD markers in discriminating triploid and diploid African catfish Clarias gariepinus (Burchell, 1822).
Jalil Normala   +5 more
doaj   +1 more source

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