11 articles in this issue
Pablo Marini, Ignacio de los Ríos Carmedano, Sheila Serrano Vincenti
Editorial
Darwin Omar Yánez-Avalos, Ivana Barbona, Juan Carlos López-Parra, Pablo Roberto Marini
The incorporation of prolonged proestrus protocols under extreme conditions has improved conception. Therefore, the objective of this research was to evaluate the results of the protocol with prolonged proestrus called J-Synch with and without eCG, on fol... see more
Francisco De la Cueva, Alexandra Naranjo, Byron Humberto Puga Torres, Eduardo Aragón
The evaluation of heavy metals in milk can be considered as an indicator of environmental contamination of a place, so the objective of the investigation was to determine the presence of Lead, Mercury and Arsenic in raw milk from Machachi, Pichincha Provi... see more
Rocio Contero , Narcisa Requelme, Charles Cachipuendo, Daniel Acurio
States legislate quality to maintain the health of the population, safety and nutritional properties of food, regulations that apply on production and industrialization, thus Ecuador implemented a policy to improve the quality of raw milk through price. I... see more
Miguel A. Lammoglia-Villagómez, Javier C. Huerta-Peña, Pablo R. Marini
Infertility in dairy cows under intensive productive systems is a growing problem and is one of the main causes of culling. The objective was to determine the origin of infertility in dairy cows under intensive productive systems from the Mexican highland... see more
Jorge Silva-Yumi, Roberto Cazorla Martínez , Carlos Medina Serrano, Gabriela Chango Lescano
The allophane is a natural nanoparticle present in soils from volcanic origin such as andisols, which are distributed worldwide, especially in countries that have active volcanoes. In Ecuador, andisols are in high and humid areas from the Highland/North r... see more
Rubén Darío Rivera Fernández, Carlos Mora Muekay, Juan Ramón Moreira Saltos, Dídimo Alexander Mendoza Intriago
The objective of the study was to determine the wetting volume (wet bulb) of the hydrogel applied to three types of soil. Soils used were: a) clay (clay 52%; silt 32%; sand 16%); b) silty clay loam (36% clay; 56% silt; 6% sand) c) sandy loam (12% clay; 32... see more
Ingrid Estefania Pinzón Colmenares, Lenin Javier Ramírez Cando
Eco-efficiency is defined as the quantity or economic value of a product by its environmental influence, and it identifies the sustainability of a system in socio-economic and environmental aspects. The objective of this research was to evaluate the ecoef... see more
Sebastián Cedillo, Luis Manuel Timbre Castro, Esteban Patricio Samaniego Alvarado, Andrés Omar Alvarado Martínez
The prediction of water levels in rivers is important to prevent economical as well as human losses caused by flooding. Hydraulic models are commonly used to predict those water levels and take actions to mitigate flooding damage. In this research, a 2D a... see more
Fiorella Alexandra Cáceres-Del Carpio, Jose Iannacone
Fipronil and imidacloprid currently represent approximately one third of the global insecticide market. In the present study, the environmental risk (ERA) of fipronil and imidacloprid in the postlarvae of the river shrimp (Cryphiops caementarius, Molina 1... see more
Bécquer Camayo, Miguel Quispe, David Condezo, Juan Raúl Massipe, José Galarza, Enrique Mucha
This paper aimed to design an autonomous indirect solar dryer, which can dehydrate the aguaymanto in a costeffective manner, yielding a quality product suitable for export from the central part highland of Peru. To complete this task, it was proposed to d... see more