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Indagine sull'elmintofauna abomasale del capriolo (Capreolus capreolus capreolus) nelle Prealpi Giulie, con cenni ai quadri anatomopatologici
No full textNineteen roe deer coming from Julian Prealps were investigated for the presence of abomasal nematodes. An anatomopathological analysis was also carried out. S. spiculoptera and O. leptospicularis, with their alternative morphs S. mathevossiani and O. kolchida, were the abomasal dominant species. Eleven helminthic species (as average 5.5 species/animal) were recovered. Therefore, composition of the species was typical of this wild ruminant host in Europe. Between generalist species, Haemonchus contortus shows a high prevalence and abundance (P=89.5; A=167). Due to abomasal multiparasitism, it was not possible to attribute to a single specie the anatomopathological patterns recovered. Hyperplastic-catarrhal abomasitis was presents in the animal with the highest parasitic burdens (>800adults/abomasum) and at least 5 helminthic species. This result emphasizes the pathogenic role of abomasal nematodes in roe deer and the opportunity of a wildlife management
Quadri anatomopatologici in abomasi di capriolo (Capreolus capreolus capreolus) parassitati
No full textIl capriolo (Capreolus capreolus) è una specie di grande interesse faunistico-venatorio e di indubbia difficoltà
gestionale.
Indagini ecoparassitologiche dimostrano importanti relazioni tra carica parassitaria abomasale nel capriolo e condizioni
corporee dei soggetti, ma non esistono informazioni sul danno tissutale determinato da tali infestazioni. Nel presente
studio vengono descritti i quadri anatomopatologici abomasali congiuntamente ai risultati di un'indagine
parassitologica.
Durante il periodo maggio-ottobre 2004, sono stati campionati gli abomasi di 18 soggetti, abbattuti in caccia di
selezione nelle Prealpi Giulie. Ogni organo è stato aperto lungo la grande curvatura e, con una serie di delicati lavaggi, è
stato svuotato dal contenuto, utilizzato poi per analisi parassitologiche quali-quantitative. Dopo fotografia e valutazione
macroscopica, sono stati prelevati e fissati per l'istologia (formaldeide tamponata al 4%) i campioni standard di mucosa
fundica e pilorica ed eventuali lesioni rilevate. Ogni campione è stato processato secondo le tecniche attualmente in uso
e successivamente valutato tramite protocollo standardizzato.
Tutti gli abomasi presentavano lesioni istologiche difensive, anche se di intensità molto variabile. Tra le lesioni
fundiche, più varie ed importanti di quelle piloriche, i quadri più rappresentati erano, nelle forme “pure” o “complesse”:
abomasite iperplastico-catarrale, abomasite aspecifica semplice ed abomasite eosinofilica. Il basso numero di abomasi
valutati ed il costante poliparassitismo non consentono al momento associazioni significative tra le specie parassitarie
e/o l'intensità di infestazione e la gravità e la tipologia dei quadri infiammatori. La notevole frequenza di abomasiti
iperplastico-catarrali, ritenute da molti autori responsabili di danni fisiopatologici sistemici importanti in altri ruminanti,
permette però di sottolineare l'azione patogena svolta nel capriolo da alcuni parassiti abomasali
Elmintofauna gastrointestinale in capriolo (Capreolus capreolus capreolus) delle Prealpi Giulie.
No full textHelminths from 51 roe deer (Capreolus capreolus) shot in the Julian Prealps during 2004-2007 were collected, of which 100% were positive for parasites. Gastrointestinal helminths were found in 100% of abomasums and caecum-colon and 90.5% of small intestines. The parasite community of this roe deer population shows good richness (23 species). Spicolopteragia spiculoptera and Ostertagia leptospicularis, with their alternative morphs S. mathevossiani and O. kolchida, were the abomasal dominant species, in the small intestine T. capricola and in caecum-colon Chabertia ovina. Between generalist species, Haemonchus contortus presents also a high prevalence and mean abundance (P=74.5; Am=294). The presence of several parasitic species shared by both domestic and wild ruminants and epidemiological indexes are discussed
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
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