Hugo Frías

ORCID: 0000-0003-0224-1935
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About
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Research Areas
  • Milk Quality and Mastitis in Dairy Cows
  • Probiotics and Fermented Foods
  • Gut microbiota and health
  • T-cell and Retrovirus Studies
  • Helminth infection and control
  • Animal Disease Management and Epidemiology
  • Effects of Environmental Stressors on Livestock
  • Genetic and phenotypic traits in livestock
  • Vector-Borne Animal Diseases
  • Agricultural and Food Production Studies
  • Agriculture Sustainability and Environmental Impact
  • Animal Nutrition and Physiology
  • Reproductive Physiology in Livestock
  • Agroforestry and silvopastoral systems
  • Indigenous Studies and Ecology
  • Moringa oleifera research and applications
  • Food, Nutrition, and Cultural Practices
  • Vector-borne infectious diseases
  • Antioxidant Activity and Oxidative Stress
  • Rabbits: Nutrition, Reproduction, Health
  • Food Safety and Hygiene
  • Ruminant Nutrition and Digestive Physiology
  • Coccidia and coccidiosis research
  • Latin American rural development
  • Parasitic Infections and Diagnostics

National University Toribio Rodríguez de Mendoza
2021-2025

Agroclimatic conditions are key determinants in the development of animal production and reproduction, with specific breed differences vulnerability to environmental stress. This research aims determine influence agroclimatic factors on efficiency multi-ovulation cattle Peruvian tropics. The study was conducted at "El Porvenir" Agricultural Experimental Station (EEA) National Institute Innovation (INIA), located district Juan Guerra, province department San Martín, Peru. Throughout a year,...

10.3389/fvets.2025.1565265 article EN cc-by Frontiers in Veterinary Science 2025-04-01

This study aimed to quantify the carbon footprint (CF) from Fleckvieh cattle production systems in Amazon region of Peru. Ten farms distributed across four provinces: Chachapoyas (System I; n = 2), Bongara II; 4), Rodriguez de Mendoza III; and Utcubamba IV; 2) were assessed. Parameters such as average live weight, animal units (AU), dry matter intake, fat protein-corrected milk (FPCM), digestibility, protein content consumed forage analyzed. CF was calculated using 2019 Refinement 2006 IPCC...

10.1007/s11250-025-04358-y article EN cc-by-nc-nd Tropical Animal Health and Production 2025-02-27

Background and Aim: Extensive cattle rearing is a major source of economy for the inhabitants Amazon region Peru. Milk meat production generally affected by prevalence various parasites, including hepatic gastrointestinal as these products provide ideal conditions parasitic growth. This poses serious public health threat. study aimed to estimate prevalence, coinfection, risk factors associated with liver fluke (Fasciola hepatica) other parasites in from Materials Methods: Fecal samples...

10.14202/vetworld.2023.546-553 article EN cc-by Veterinary World 2023-03-01

Fascioliasis is a zoonotic disease caused by parasites of the genus Fasciola spp. which cause an important loss to livestock industry. The objectives this study were: estimate prevalence fascioliasis in three provinces Amazonas, evaluate possible risk factors infection cattle and genetically characterize haplotypes circulating area. According results was 90.13% (712/790). Odds ratio showed significant association between Brown Swiss breed (OR = 2.62; 95% CI: 1.57-4.35; p < 0.001), with...

10.1016/j.parint.2021.102428 article EN cc-by Parasitology International 2021-07-27

Evaluating quality and microbiological parameters in bovine milk processing centers is essential for ensuring public health product positively impacting the local economy. This study aimed to evaluate physicochemical sanitary of Amazon region. For this purpose, 31 samples were collected from The following evaluated: somatic cell count; parameters: fat, protein, nonfat solids, lactose, ash, pH, density; mesophilic aerobic bacteria total coliforms raw milk. data analysis, mean comparison tests...

10.1016/j.jafr.2024.101125 article EN cc-by-nc-nd Journal of Agriculture and Food Research 2024-03-26

The implications of bovine leukemia virus (BLV) on innate and adaptive immune responses have been widely investigated; however, the effects BLV mammary gland immunity require further investigation. present study investigated viability, phagocytic capacity, intracellular production reactive oxygen nitrogen species (RONS) by macrophages in milk samples from dairy cows naturally infected with or without persistent lymphocytosis (PL). No effect infection overall number per milliliter percentage...

10.3389/fvets.2021.650021 article EN cc-by Frontiers in Veterinary Science 2021-06-17

Abstract Bacterial communities in the mammalian reproductive system can be rich and diverse, differing structure quantity depending on location. In addition, its microbiome is associated with state of health this tract success. This study evaluated composition uterine body (UB) horn mucosa (UH) samples using 16S rRNA sequencing extracted from cows Amazon region. It was observed that four main phyla were shared between sites: Actinobacteria , Bacteroidetes Firmicutes Proteobacteria . Linear...

10.1038/s41598-023-46093-0 article EN cc-by Scientific Reports 2023-10-31

The objective of this research was to evaluate the physicochemical and sanitary parameters raw cow&amp;#039;s milk intended for consumption in Amazonas region, Peru. We sampled 31 collection centers dairy processors. evaluated (fat, protein, solids not fat, lactose, ash, pH, density), somatic cell count, microbiology (mesophilic aerobic bacteria total coliforms) milk. applied an analysis variance (α=0.05) comparison means between livestock basins (p&amp;amp;lt;0.05). In addition, we...

10.20944/preprints202308.1107.v1 preprint EN 2023-08-15

Guinea pigs have historically been used as a food source and are also an important model for studying the human intestines. Fasting is act of temporarily stopping intake food. This process can alter microbiota various animals. study first to investigate impact fasting on cecum microbiome three guinea pig breeds. We investigated population structure in was done by sequencing analyzing V4 hypervariable region 16S rRNA gene bacterial communities found mucosa samples. To achieve this, we...

10.3389/fmicb.2023.1283738 article EN cc-by Frontiers in Microbiology 2023-12-20

Anaplasmosis, transmitted biologically and mechanically, is one of the most prevalent diseases responsible for high production costs worldwide. In this research, prevalence risk factors anaplasmosis in Simmental cattle raised Peruvian Amazon were evaluated. 266 blood samples collected from bovines different categories such as calves male, females, heifers &lt;1.3 years, &gt;1.3 steers, bulls, cows districts Omia Molinopampa. The enzyme‐linked immunosorbent assay (ELISA) technique was used to...

10.1155/2024/4634440 article EN cc-by Veterinary Medicine International 2024-01-01

Abstract OBJECTIVE This study aimed to report the impact of production practices and sanitary management on prevalence Neospora caninum ( N ) bluetongue virus (BTV) in Creole goats from tropical dry forest Utcubamba, Peru. METHODS 354 blood samples were obtained male female diverse ages reared under an extensive productive system. The diagnosis BTV was conducted through a commercial ELISA kit (iD.vet) with readings taken Bio-Rad iMark microplate reader at 450 nm. Additionally, survey 18 goat...

10.2460/ajvr.24.08.0238 article EN cc-by-nc American Journal of Veterinary Research 2024-11-04

This study aims to identify the relationship between soil fertility and pasture composition on milk quality in ten Simmental-Fleckvieh cattle production systems across four provinces Peruvian Amazon: Chachapoyas (system I), Bongara II), Rodriguez de Mendoza III), Utcubamba IV). While no significant differences were noted composition, milk, parameters such as pH, electrical conductivity, phosphorus, potassium among systems, statistical observed carbon, organic matter, nitrogen content (p <...

10.1080/03650340.2024.2429580 article EN cc-by-nc Archives of Agronomy and Soil Science 2024-11-19

La Leucosis bovina es causado por un virus de alta morbilidad y baja mortalidad, esta enfermedad afecta directamente al sistema inmune los hospederos, que provoca una inmunosupresión favoreciendo la replicación otros agentes patógenos afectan a nivel productivo reproductivo en animales. El objetivo fue determinar seroprevalencia del Bovina (BLV ingles Bovine Leukosis virus) través metodología diagnóstico serología (ELISA), donde se recolectaron 78 muestras sangre bovinos establos lecheros...

10.25127/riagrop.20213.704 article ES cc-by-nc-sa Revista de investigación Agropecuaria Science and Biotechnology 2021-07-12

The present study explored the predictive values of milk leukocyte differentials (MLD) as a basis for improving diagnosis intramammary infections (IMIs) and subclinical mastitis. Quarter samples were collected bacteriological analysis, quarter somatic cell count (qSCC), MLD. MLD assessed using cytospin technique, direct microscopic smears, flow cytometry. each single population useful potential indices that could better reflect immune complexity also calculated. Changes in percentage any...

10.1590/1678-992x-2022-0086 article EN cc-by Scientia Agricola 2023-01-01

El objetivo de la investigación fue evaluar relación entre el número células somáticas y composición nutricional leche en distrito Molinopampa, provincia Chachapoyas, región Amazonas. Se evaluaron diez centros acopio, las muestras fueron recolectadas directamente los tanques almacenamiento cada centro se tomó una muestra 100 mL frascos vidrio previamente esterilizados a 110 °C. Las analizadas Laboratorio Enfermedades Infecciosas Parasitarias Animales Domésticos Universidad Nacional Toribio...

10.25127/riagrop.20233.918 article ES cc-by-nc-sa Revista de investigación Agropecuaria Science and Biotechnology 2023-08-07

Bovine fascioliasis in Peru is highly prevalent almost all regions; however, there are few studies about its prevalence the region of Amazonas. This research aimed to determine and risk factors associated with from four livestock basins Amazonas region. A total 941 bovine feces samples were analyzed a 52% was found. The highest registered females (53.9%), crossbred (58.6%), producers less than 50 animals (54.40%). factor for Brown Swiss (2.1), crossbreeds (2.4), heifer (4.1), (1.4), that...

10.3844/ajavsp.2023.173.183 article EN American Journal of Animal and Veterinary Sciences 2023-03-01

Con el objetivo de evaluar efecto la fertilización orgánica (uso gallinaza) sobre tres variedades rye Grass (Ecotipo Cajamarquino, Bóxer y Tama) se evaluó las variables: Porcentaje germinación, Prendimiento (P), Altura planta (AP), Materia Verde (MV) Seca (MS). Se instalaron parcelas 8 m2 por cada tratamiento en dos bloques, evaluados durante cortes. empleó Diseño Bloques Completamente al Azar DBCA. El resultado indica diferencias significativas entre tratamientos (p&lt; 0,05) para AP, MV...

10.25127/ucni.v4i2.721 article ES Revista Científica UNTRM Ciencias Naturales e Ingeniería 2021-08-31
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