Browsing by Title Artículos de revistas
Now showing items 342-361 of 851
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(Universidad de Chile, 2004)El posparto temprano es un periodo de gran importancia, debido a su vasta influencia sobre la eficiencia reproductiva y, con ello, sobre la producción de leche y carne. Los trastornos reproductivos que ocurren durante ...
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(UNIVERSIDAD AUSTRAL CHILE, FACULTAD CIENCIAS VETERINARIAS, 1995)Five control schemes to control Rhipicephalus sanguineus were evaluated in naturally infested dogs kept with their owners in the San Ramon County, Metropolitan Region Chile. Cypermethrin was poured on dogs every 20 or 30 ...
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(Universidad Austral de Chile, 2005)The objective of this study was to evaluate the effects of sex and two periods of feeding with a diet that included astaxanthin on productive performance, color and pigmentation of coho salmon (Oncorhynchus kisutch) at ...
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(Universidad de Chile, 1997)Se evaluaron 2 sistemas comerciales de identificación animal con microchip por medio de la implantación de 60 novillos de una engorda intensiva. Se compararon dos sitios de implante, detrás del nacimiento de los cuernos y ...
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(2005)Antimicrobial resistance is an important worldwide public health problem having a negative impact on the struggle against bacterial diseases. The WHO indicates that there exists evidence that livestock are a reservoir for ...
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(Universidad de Chile, 1998)En el presente trabajo se evaluó el período de resguardo en leche de 8 diferentes fórmulas farmacéuticas con antibióticos de aplicación intramamaria. Cúatro de ellas contenían un solo antibiótico en su formulación (monodrogas) ...
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(Universidad de Chile, 1999)Este trabajo estudió la maduración in vitro de ovocitos bovinos en relación a sus características morfológicas, previamente establecidas en un patrón no invasivo de clasificación. Se aspiraron folículos de 2 - 6 mm de ...
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(2005)The chemical composition and biological value of two dicalcium phosphates, a dihydrated one (FA) and a monohydrated product (FB), were assessed in a 2 x 3 factorial arrangement of treatments: two phosphates (A and B) and ...
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(UNIVERSIDAD AUSTRAL CHILE, FACULTAD CIENCIAS VETERINARIAS, 1997)The antigenic components of excretory-secretory products of adult F. hepatica, were separated by gel filtration chromatography (Sephacryl S-300) and then analized by polyacrylamide gel electrophoresis (SDS-PAGE), followed ...
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(Universidad de Chile, 1987)Se evaluó el estado nutricional mineral en distintas fases del ciclo productivo de 44 hembras Hereford, pertenecientes a un rebaño alimentado con pradera natural del secano costero de la zona central. Se tomaron muestras ...
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(2012)The use of extracellular matrix (ECM) molecules from tissues is an interesting way to induce specific responses of cells grown onto composite scaffolds to promote adhesion, proliferation and differentiation. There have ...
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(MDPI, 2021)Oxytetracycline (OTC) is widely used in broiler chickens. During and after treatment a fraction of OTC is excreted in its original form and as its epimer, 4-epi-OTC in droppings. To address the transfer of OTC into the ...
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Evaluation of cortical granules and viability of canine oocytes during long-term in vitro maturation (BRITISH VETERINARY ASSOC, 2007-02-10)
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(BRITISH VETERINARY ASSOC, 2002-10-19)Fertility parameters of boar spermatozoa were evaluated in vitro, after freeze-thawing the semen in three different extenders containing permeable and non-permeable cryoprotectants: A (111.0mM Tris, 31.4mM citric acid, ...
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(2000)An O-polysaccharide (O-chain) and a hot-water extracted polysaccharide (PS), both obtained from Brucella abortus 1119-3, and a B. melitensis 16M native hapten (NH) were evaluated by indirect enzyme linked immunosorbent ...
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(1982)The reaction kinetics of human liver arginase (l-arginine amidinohydrolase, EC 3.5.3.1) in terms of arginine concentration is strikingly altered by varying the pH. Lowering the pH from the optimum (9.5) toward a more ...
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(1991)Evidence of absence of Trypanosoma cruzi kinetoplast DNA methylation by restriction endonuclease analysis. International Journal for Parasitology bd21: 863-866. Eight kinetoplast DNA samples from very different T. cruzi ...
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(Blackwell Publishing Ltd, 2013)Piscirickettsia salmonis is the aetiological agent of piscirickettsiosis, a disease which affects a variety of teleost species and that is particularly severe in salmonid fish. Bacterial-free supernatants, obtained from ...
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(Elsevier, 2016-04)Selective breeding practices in Atlantic salmon aquaculture have been carried out intensively since the 1970s. Along with the phenotypic improvement of fish, we expect to observe genomic regions showing evidence of selection ...
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(Universidad Austral de Chile, 2002)Mice from ACA and A.Sn strains were equally susceptible (100% mortality) to intraperitoneal infection with 2000 blood trypomastigotes from Tulahuen strain of Trypanosoma cruzi, while A.Sw and HTI strains were resistant ...