Valentín Pedro Cadenas García

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The experiment consisted of a 2 × 2 × 2 factorial design testing the two D+ and D- chicken lines selected for divergent digestion efficiency (fifth selection generation), xylanase (with or without) and ampicillin and collistin (with or without) supplementations. From 8 to 22 days, 144 chickens (18 birds per treatment) were fed a diet containing 55% wheat(More)
INTRODUCTION The overeruption of upper molars due to the premature loss of antagonist teeth can be treated with the help of miniscrews. The aim of this study was to evaluate the movement of a typodont molar according to the biomechanical approach used with miniscrews. STUDY DESIGN The study was conducted with four plaster models filled with typodont wax.(More)
OBJECTIVES Spermatic count and number of mobile forms are two very important parameters for the measurement of spermatic quality by means of sperm analysis. Numerous factors such as obesity, smoking, environment contamination, stress, or age act modifying the sperm fecundation capacity, therefore they interfere in the numbers of this two variables. (More)
The glutaraldehyde test (GT) is performed by mixing whole blood with a 1.25% glutaraldehyde solution. Gelification time is shorter in tuberculous cattle. This test was performed in blood samples obtained from: (a) 48 cattle with bacteriologically confirmed tuberculous lesions; (b) 61 animals with no evidence of tuberculosis at the time of slaughterhouse(More)
The Pan American Health Organization, through its Pan American Zoonoses Center (CEPANZO), distributes the concentrated stock solution of PPD batch RT23 (1 mg ml-1 = 50,000 TU ml-1) to national central laboratories. In the laboratories the stock solution is diluted to 2 TU/0.1 ml and dispensed with the addition of Tween 80 and either chinosol or phenol as(More)
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