Results: 97

Organic copper, iron, manganese and zinc: digestibility, production parameters and egg quality of layers

This study examined the replacement of the inorganic minerals (IM) Cu, Fe, Mn and Zn with their organic form (OM) in the diet of 67-week-old Dekalb White laying hens by comparing digestibility, production and egg quality. The experiment involved 240 birds, with 48 birds used per treatment and 12 per repl...

Moringa Oleifera: an alternative ingredient to improve the egg quality of Japanese quail

This study aims to evaluate effects of inclusion of moringa in Japanese quail diets on laying performance, egg quality, blood parameters, serum biochemical profile, and behavior. One hundred and forty-four Japanese quails, approximately 35-d-old, were distributed in a completely randomized design with fo...

Reproduction of the sea urchin Tripneustes depressus (Camarodonta: Toxopneustidae) in Bahía de La Paz, Baja California Sur, Mexico

Rev. biol. trop; 69 (supl. 2), 2021
Introduction: Sea urchin gonads (roe or uni) are considered a culinary delicacy worldwide. However, only a few species are considered edible and commercialized. The sea urchin Tripneustes depressus has generated the interest of producers in Baja California Sur, Mexico, due to the quality of its gonads. A...

Estudo da eficácia de uma armadilha para o monitoramento do mosquito Aedes aegypti (Diptera: Culicidae)

Introdução: O Aedes aegypti é o principal vetor transmissor do vírus causador da dengue, Chikungunya, Zika Vírus e vírus da Febre Amarela urbana no Brasil, tendo uma ampla distribuição em países de clima quente e úmido. Atualmente, novas metodologias são necessárias para o controle do Aedes a...

Prevaléncia de tremátodos y algunos factores de riesgo en vacas lecheras en Paipa, Boyacá (Colombia)

Rev. med. vet. zoot; 67 (3), 2020
RESUMEN Este estudio se llevó a cabo para establecer la prevalencia e identificar los factores de riesgo asociados con las infestaciones por trematodos en ganado lechero Holstein en el valle de Paipa, Boyacá. Las muestras fecales recogidas de 100 bovinos seleccionados aleatoriamente se examinaron utili...

Deformación de la aleta caudal en alevín de salmón del atlántico (Salmo salar), en etapa de saco vitelino

Int. j. morphol; 38 (6), 2020
RESUMEN: En este estudio se analiza una deformación que afectó la aleta caudal de los alevines de salmón del Atlántico (Salmo salar) y que les proporcionó un aspecto de "cola aguzada". Al momento de la eclosión se observaron completamente normales pero la deformación se detectó con posterioridad....

Baked egg tolerance: is it possible to predict?

J. pediatr. (Rio J.); 96 (6), 2020
Abstract Objective: To assess the frequency of baked egg tolerance in IgE-mediated egg allergy patients through the oral food challenge and to assess the tolerance predictability of different skin prick tests, as well as specific serum IgE measurement to egg proteins. Methods: In this cross-sectional s...

El mosquito del dengue en la Ciudad de México. Invasión incipiente de Aedes aegypti y sus potenciales riesgos

Gac. méd. Méx; 156 (5), 2020
Resumen Introducción: La Ciudad de México no tiene presencia endémica de Aedes aegypti, por lo que está libre de enfermedades transmitidas por vector como dengue, Zika y chikunguña. Sin embargo, existe evidencia de la presencia de huevecillos en la urbe desde 2015. Objetivo: Reportar la presencia ...

Resizing the productive characteristics of meat-type quail through principal component analysis

This study aimed to establish criteria for eliminating redundant variables, to know the magnitude of the data relationship, and to provide information that helps researchers in the use of the technique to analyze and interpret production data and egg quality. The data used in this work was obtained from ...

Inclusion of crude corn oil with high acidity in the feed of laying hens: analysis of egs production and quality

Biosci. j. (Online); 36 (3), 2020
The objective of this study was to evaluate egg production and quality after including crude corn oil with high acidity (CCOHA) in the feed of laying hens. The design was completely randomized to three treatments and six replicates each. The sample included 90 hens of the Lohmann LSL lineage, housed in c...