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PROTOCOLS J-SYNCH WITH AND WITHOUT ECG IN BROWN SWISS AND CROSSES WHITH BOS INDICUS COWS IN THE ECUADORIAN AMAZONS

Abstract: The incorporation of protocols with prolonged proestrus in extreme conditions has allowed to improve pregnancy. The objective was to evaluate the results of the protocol with prolonged proestrus called J-Synch with and without eCG, on follicular dynamics and

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PRESENCE OF HEAVY METALS IN RAW BOVINE MILK FROM MACHACHI, ECUADOR

Abstract: The presence of heavy metals in milk is an indicator of local environmental contamination. The objective of this investigation was to test raw milk from Machachi, Pichincha Province, Ecuador for the presence of lead, mercury, and arsenic. Fifty eight samples

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QUALITY OF RAW MILK AND PAYMENT SYSTEM FOR QUALITY IN ECUADOR

Abstract: States legislate quality to maintain the health of the population, safety and nutritional properties of food, regulations that apply on the production and industrialization, thus Ecuador implemented a policy to improve the quality of raw milk through price. T

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POSTPARTUM PATHOLOGIES AND ORIGIN OF INFERTILE COWS IN DAIRY CATTLE IN THE MEXICAN HIGHLANDS

Abstract: 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 highlands wa

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ALLOPHANE, A NATURAL NANOPARTICLE PRESENT IN ANDISOLES OF ECUADOR, PROPERTIES AND APPLICATIONS

Abstract: 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 regio

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EFFECTS OF HYDROGEL ON MOISTURE VOLUME IN SOILS WITH DIFFERENT TEXTURES

Abstract: 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% si

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ECO-EFFICIENCY OF THE MODELS OF AGRICULTURAL PRODUCTION OF HARD CORN AND ITS INFLUENCE ON CLIMATE CHANGE IN SHUSHUFINDI ECUADOR

Abstract: 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 ecoeffici

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ON THE EFFECT OF THE REFINEMENT OF THE ROUGHNESS DESCRIPTION IN A 2D APPROACH FOR A MOUNTAIN RIVER: A CASE STUDY

Abstract: 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 appro

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ENVIRONMENTAL RISK ASSESSMENT BY FIPRONIL AND IMIDACLOPRID INSECTICIDES IN RIVER SHRIMP (CRYPHIOPS CAEMENTARIUS)

Abstract: 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 1782)

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AUTONOMOUS SOLAR THERMAL SYSTEM DESIGN FOR INDIRECT DEHYDRATION OF AGUAYMANTO (PHYSALIS PERUVIANA L.), JUNÍN

Abstract: This paper aimed to design an autonomous indirect solar dryer, which can dehydrate the aguaymanto in a cost-effective manner, yielding a quality product suitable for export from the central part highland of Peru. To complete this task, it was proposed to desi

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