1,720,986 research outputs found
Proximal perineal urethrostomy technique for treatment of urethral stricture in a Vietnamese pot-bellied pig
Full text linkUrinary tract obstruction in pigs can be seen with anatomical abnormalities or as a complication following castration. The surgical techniques described in the pig are few and consist of prepubic urethrostomy, extrapelvic urethral or urethropreputial anastomosis. These techniques are complex and not free from complications. Aim of the study was to describe the technique used to perform a proximal perineal urethrostomy in a Vietnamese potbellied pig. A Vietnamese pot-bellied pig with urinary obstruction was referred for complications after prepubic cystostomy. Endoscopy showed a stricture at the junction of the membranous and penile portions of the urethra. A perineal urethrostomy was performed. Seven days later the cystostomy was closed. No complication was reported during the procedure and after surgery, with the exception of urine induced dermatitis. Perineal urethrostomy is an effective technique as an alternative to prepubic urethrostomy and extrapelvic urethral anastomosis for the treatment of urethral obstruction in Vietnamese pot-bellied pigs
Retrospective analysis of the closure of the linea alba using a simple interrupted suture in ventral midline celiotomy in adult horses.
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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
RADICAL SURGICAL TECHNIQUE FOR TREATMENT OF WHITE LINE DISEASE IN DAIRY COWS
Full text linkIntroduction: this clinical research investigates whether rigorous and aggressive surgical debridement of white line disease (WLD) lesions in 236 lame cows, in association with a medicated bandage, would promote clinical healing (as evidenced by coverage of the lesion with new horn) with subsequent improvement in milk production.
Materials and methods: after claw trimming, wall and sole horn were removed and the horn rim trimmed around and inside the lesion using a hoof knife, until abundant bleeding was present. The wound was then rinsed, covered with a topical antibiotic and bandaged.
Results: out of the initial 236 lame cows, on day two 40 cows were not lame anymore and 196 cows showed a score of 2 out of 5. On day 18, two cows had a grade 4 lameness, with the lesions being smaller but not completely healed. On days 30 and 40, none of the remaining 234 cows developed recurrence of pathology or lameness. At day 60, lesions were completely healed.
Discussion: this aggressive surgical treatment allows milk production not to decrease comparing to the control group and can be easily implemented in practice.
Conclusions: Since bovine claw lesions represent one of the main problems in dairy cattles, this surgical technique could be suggested as a valid option for the treatment of WLD in cows
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
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