Sandra Enríquez
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View article: What is the value of testing for tick-borne diseases in cattle in endemic areas? A case study of bovine anaplasmosis
What is the value of testing for tick-borne diseases in cattle in endemic areas? A case study of bovine anaplasmosis Open
Anaplasmosis is a tick-borne disease (TBDs) caused by Anaplasma spp. In areas where TBDs are endemic, it is crucial to consider the animals’ immunological status in relation to these diseases. The true prevalence of bovine anaplasmosis, th…
View article: Gut bacterial communities in roadkill animals: A pioneering study of two species in the Amazon region in Ecuador
Gut bacterial communities in roadkill animals: A pioneering study of two species in the Amazon region in Ecuador Open
Studying the microbial communities within the gastrointestinal tract of vertebrate species can provide insights into biodiversity, disease ecology, and conservation. Currently, we have very limited understanding of the composition of endog…
View article: Evaluating the Human Risks of Consumption of Foods of Bovine Origin with Ivermectin Residues in Ecuador
Evaluating the Human Risks of Consumption of Foods of Bovine Origin with Ivermectin Residues in Ecuador Open
Ivermectin is a widely used antiparasitic in livestock, but its use can result in residues in bovine products and excretions. The objective of the present study was to determine the presence of ivermectin residues in cattle meat, liver, mi…
View article: Drivers and evolution of acaricide resistance and multi-resistance in two Ecuador's subtropical livestock farming areas.
Drivers and evolution of acaricide resistance and multi-resistance in two Ecuador's subtropical livestock farming areas. Open
The management of cattle ticks, particularly Rhipicephalus microplus, poses a global challenge in subtropical regions like Ecuador due to its impact on meat and milk productivity, leading to economic losses. Misuse of acaricides has result…
View article: Biodiversity and Altitudinal Variation of Dung Beetles (Scarabaeidae: Scarabaeinae) in the Oglán Alto Watershed, Ecuadorian Amazon
Biodiversity and Altitudinal Variation of Dung Beetles (Scarabaeidae: Scarabaeinae) in the Oglán Alto Watershed, Ecuadorian Amazon Open
Dung beetles are considered a useful taxon to describe and to monitor spatial and temporal patterns of biodiversity. Tropical communities of dung beetles are usually diverse, abundant, and habitat specific; they respond quickly to many typ…
View article: Indicators sandflies and environment associated to spatial landscaping change in Chocó Biosphere Reserve UNESCO
Indicators sandflies and environment associated to spatial landscaping change in Chocó Biosphere Reserve UNESCO Open
Background & objectives: Sandflies are vector insects associated with terrestrial forest ecosystems; in the Ecuadorian Andes, they participate in the transmission of human cutaneous leishmaniasis. This geographical area represents an oppor…
View article: Indicators sand flies and environment associated to spatial landscaping change in Choco Biosphere Reserve UNESCO
Indicators sand flies and environment associated to spatial landscaping change in Choco Biosphere Reserve UNESCO Open
Background & objectives: Sand flies are insects vector associated with terrestrial forest ecosystems; in the Ecuadorian Andes, they participate in the transmission of human cutaneous leishmaniasis. This geographical area is an opportunity …
View article: Farmers’ Adoption, Knowledge, and Perceptions of Tick Control Measures on Dairy Farms in Subtropical Areas of Continental Ecuador
Farmers’ Adoption, Knowledge, and Perceptions of Tick Control Measures on Dairy Farms in Subtropical Areas of Continental Ecuador Open
The application of tick control strategies on tropical dairy cattle strongly relies on farmers’ uptake, knowledge, and perceptions of the efficacy of control measures. This study aims to identify common and uncommon tick control practices …
View article: From roads to biobanks: Roadkill animals as a valuable source of genetic data
From roads to biobanks: Roadkill animals as a valuable source of genetic data Open
To protect biodiversity we must understand its structure and composition including the bacteria and microparasites associated with wildlife, which may pose risks to human health. However, acquiring this knowledge often presents challenges,…
View article: High-resolution prediction models for Rhipicephalus microplus and Amblyomma cajennense s.l. ticks affecting cattle and their spatial distribution in continental Ecuador using bioclimatic factors
High-resolution prediction models for Rhipicephalus microplus and Amblyomma cajennense s.l. ticks affecting cattle and their spatial distribution in continental Ecuador using bioclimatic factors Open
In Ecuador, the main tick species affecting cattle are Rhipicephalus microplus and Amblyomma cajennense sensu lato. Understanding their spatial distribution is crucial. To assess their distribution, data from 2895 farms visited between 201…
View article: Case report: First report on human infection by tick-borne Babesia bigemina in the Amazon region of Ecuador
Case report: First report on human infection by tick-borne Babesia bigemina in the Amazon region of Ecuador Open
Babesiosis is a protozoan disease acquired by the bite of different species of ticks. More than 100 Babesia spp. infect wild and domestic animals worldwide, but only a few have been documented to infect humans. Generally, babesiosis is asy…
View article: Morphological and molecular identification of the hard ticks parasitizing Tremarctos ornatus (Carnivora: Ursidae) from paramo of Ecuador
Morphological and molecular identification of the hard ticks parasitizing Tremarctos ornatus (Carnivora: Ursidae) from paramo of Ecuador Open
The Andean bear or spectacled bear, Tremarctos ornatus (Cuvier), inhabits the Andes and is considered an endangered species due to anthropogenic factors. The aim of this study was to identify the tick species parasitizing the Andean bears …
View article: An economic evaluation of cattle tick acaricide-resistances and the financial losses in subtropical dairy farms of Ecuador: A farm system approach
An economic evaluation of cattle tick acaricide-resistances and the financial losses in subtropical dairy farms of Ecuador: A farm system approach Open
Estimates of economic losses in cattle due to tick infestations in subtropical areas are limited, such as in Ecuador. Ticks affect animal production and health, but those direct effects are difficult to estimate since financial exercises c…
View article: The Associated Decision and Management Factors on Cattle Tick Level of Infestation in Two Tropical Areas of Ecuador
The Associated Decision and Management Factors on Cattle Tick Level of Infestation in Two Tropical Areas of Ecuador Open
Decision-making on tick control practices is linked to the level of knowledge about livestock farming and to the social context in which individuals practice them. Tick infestation is one of the main problems in tropical livestock producti…
View article: Wyeomyia abebela Dyar & Knab, 1908 and W. coenonus Dyar & Knab, 1913: new mosquito records (Diptera, Culicidae) in the Choco Biosphere Reserve, Ecuador, a biodiversity hotspot
Wyeomyia abebela Dyar & Knab, 1908 and W. coenonus Dyar & Knab, 1913: new mosquito records (Diptera, Culicidae) in the Choco Biosphere Reserve, Ecuador, a biodiversity hotspot Open
We report the first records of two mosquito species, Wyeomyia (Wyeomyia) abebela Dyar & Knab, 1908 and W. (Hystatomyia) coenonus Dyar & Knab, 1913, from the Choco Biosphere Reserve, a global biodiversity hotspot in Ecuador. We coll…
View article: High mosquito diversity in an Amazonian village of Ecuador, surrounded by a Biological Reserve, using a rapid assessment method
High mosquito diversity in an Amazonian village of Ecuador, surrounded by a Biological Reserve, using a rapid assessment method Open
This research represents a study in an Amazonian village that has similar structures to others Kichwa Amazonian villages of Ecuador. We evaluated the diversity, ecology, possibility of mosquitoes/ pathogens translocation from forest to urb…
View article: The dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Oglán Alto Protective Forest, Pastaza, Ecuador
The dung beetles (Coleoptera: Scarabaeidae: Scarabaeinae) from Oglán Alto Protective Forest, Pastaza, Ecuador Open
The Oglán Alto Protective Forest has an area of 3100 hectares and is dominated by Amazonian lowland and piedmont forests, which harbor great diversity of fauna and flora. However, such diversity has been poorly studied, especially insects.…
View article: New kissing bug (Hemiptera: Reduviidae: Triatominae) records from Napo and Morona-Santiago provinces with distribution updates in Ecuador
New kissing bug (Hemiptera: Reduviidae: Triatominae) records from Napo and Morona-Santiago provinces with distribution updates in Ecuador Open
Four species of Triatominae (Hemiptera: Reduviidae) are reported in four localities in Ecuadorian Amazonia. Eratyrus mucronatus Stål, 1859, Rhodnius pictipes Stål, 1872 & Panstrongylus geniculatus (Latreille, 1811) in Napo Province, and Rh…
View article: New Phytotelm plant for Ecuador, Ananas comosus L. Merr. (Bromeliaceae) a its Wyeomyia species inhabitant (Diptera, Culicidae)
New Phytotelm plant for Ecuador, Ananas comosus L. Merr. (Bromeliaceae) a its Wyeomyia species inhabitant (Diptera, Culicidae) Open
INTRODUCTION. Phytotelmata are a botanical group with water-impounding structures formed by non-aquatic plants, such as leaf axils, perforated internodes, stem holes or depressions, rot-holes in tree trunks or branches (tree-holes), flower…
View article: Oral History Interview with Doug Matthews on July 21, 2016
Oral History Interview with Doug Matthews on July 21, 2016 Open
Doug W. Matthews was born in 1951 in Galveston and was raised in the Westend community. While he experienced the segregation of public venues, such as the seawall, restaurants, and movie theaters, Matthews' parents encouraged him to contro…
View article: Oral History Interview with Robert Quintero on July 19, 2016.
Oral History Interview with Robert Quintero on July 19, 2016. Open
Robert Quintero was born in Galveston, Texas in 1964. He grew up in a mixed neighborhood on the Island and attended Ball High School. Mr. Quintero's parents were involved in LULAC and met through the organization's baseball games. His pare…
View article: Oral History Interview with Richard Farias, July 7, 2016
Oral History Interview with Richard Farias, July 7, 2016 Open
Richard Farias was born in Brownsville in 1948 and moved to La Porte in 1962 when he was about to begin his Freshman year in High School. At La Porte High School, he was the only Latino and received no mentoring and no guidance during. Soo…
View article: Oral History Interview with Lupe Casares, July 7, 2016
Oral History Interview with Lupe Casares, July 7, 2016 Open
Guadalupe "Lupe" Casares was born in 1950 in Santa Rosa, Texas, which is located in the Rio Grande Valley. Growing-up as a migrant farmworker, he traveled throughout the United States for much of his youth. After Casaras' father passed awa…
View article: Oral History Interview with Christina Morales on June 30, 2016.
Oral History Interview with Christina Morales on June 30, 2016. Open
Christina Morales was born in the East End, a Mexican-American enclave in Houston, TX. As the granddaughter of Felix H. Morales and Angela Morales, she grew up in the Morales Funeral Home and became the director at the young age of twenty-…
View article: Oral History Interview with Clifton Lyons and Diana O'Neal
Oral History Interview with Clifton Lyons and Diana O'Neal Open
Diana Lyons was born in Galveston, Texas in 1954, and grew up on the west side of the Island. Although she experienced integration during her school years, Lyons faced discrimination in the schools she attended, including colorism and bein…
View article: Oral History Interview with Carlos Calbillo, June 24, 2016
Oral History Interview with Carlos Calbillo, June 24, 2016 Open
Carlos Calbillo was born in Magnolia in 1949 and grew up in Pasadena. He began his activism at San Jacinto Community College when he was kicked out for not shaving his beard. In his early college years, he is a part of SDS and the Worker's…
View article: Oral History Interview with Bryan Parras.
Oral History Interview with Bryan Parras. Open
Bryan Parras was born in 1977 in the East End, a Mexican-American enclave in Houston, TX. His parents, Jesusa Moreno and Juan Parras, played influential roles in his political consciousness. He talks about discrimination and how he has bec…
View article: Oral History Interview with Priscilla Graham, June 22, 2016
Oral History Interview with Priscilla Graham, June 22, 2016 Open
Priscilla Graham was born in Georgia in 1968. During her childhood, schools were integrated in Georgia, where she experiences protection from both Black and White teachers. Ms. Graham joined the military where she experiences sexism. She a…
View article: Oral History Interview with Luis Cano, June 20, 2016
Oral History Interview with Luis Cano, June 20, 2016 Open
Luis Cano was born in Corpus Christi, TX. After attending University of North Texas, he came to Houston and would become involved in the Mexican American Youth Organization and La Raza Unida Party. As a teacher at Austin High School, he wo…