Works (17)

Updated: April 24th, 2025 11:49

2025 article

Changes in marine iguana (Amblyrhynchus cristatus) heart rates suggest reduced metabolism during El Niño events

Dubiner, S., Pérez, J. P. M., Alarcón‐Ruales, D., Cohen, E., Deresienski, D., Hirschfeld, M., … Lewbart, G. (2025, January 24). Journal of Zoology, Vol. 1.

author keywords: body temperature; ENSO; food shortage; metabolic depression; metabolic rate; ocean warming; reptile; thermoregulation
topics (OpenAlex): Physiological and biochemical adaptations; Ocean Acidification Effects and Responses
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 10, 2025

2025 article

HEALTH ASSESSMENT OF BLUE-FOOTED BOOBIES (SULA NEBOUXII EXCISA) DETERMINED BY HEMATOLOGY, BIOCHEMISTRY, BLOOD GASES, AND PHYSICAL EXAMINATION IN THE GALÁPAGOS ISLANDS

Cave, A. E., Dillard, J. R., Ulloa, C., Muñoz-Pérez, J. P., Skehel, A., Deresienski, D., … Valle, C. A. (2025, March 10). Journal of Zoo and Wildlife Medicine, Vol. 56, pp. 79–88.

By: A. Cave n, J. Dillard n, C. Ulloa n, J. Muñoz-Pérez n, A. Skehel n, D. Deresienski n, R. Passingham n, J. Castaneda n, G. Lewbart n, C. Valle n

MeSH headings : Animals; Male; Female; Ecuador; Birds / blood; Blood Chemical Analysis / veterinary; Hematologic Tests / veterinary; Blood Gas Analysis / veterinary; Hematocrit / veterinary; Physical Examination / veterinary
topics (OpenAlex): Rabies epidemiology and control; Animal Ecology and Behavior Studies; Vector-borne infectious diseases
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: March 24, 2025

2024 article

Health status and morphometrics of Galápagos magnificent frigatebirds (Fregata magnificens magnificens) determined by hematology, biochemistry, blood gas, and physical examination

Guzmán, K. E., Deresienski, D., Muñoz-Pérez, J. P., Passingham, R. K., Skehel, A., Ulloa, C., … Valle, C. A. (2024, December 6). PeerJ, Vol. 12.

By: K. Guzmán, D. Deresienski n, J. Muñoz-Pérez*, R. Passingham n, A. Skehel*, C. Ulloa*, C. Regalado*, G. Lewbart n, C. Valle*

author keywords: Biochemistry; Fregata magnificens; Magnificent frigatebird; Gal & aacute;pagos Islands; Hematology; Health status; Physical examination; Blood gas
MeSH headings : Animals; Ecuador; Male; Female; Birds / blood; Birds / anatomy & histology; Blood Chemical Analysis; Hematologic Tests; Hematocrit
topics (OpenAlex): Bird parasitology and diseases; Avian ecology and behavior; Viral Infections and Vectors
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 23, 2024

2024 journal article

Molecular Discovery of Filarial Nematode DNA in an Endangered Wild Pinniped (Galapagos Sea Lion, Zalophus wollebaeki)

Ecology and Evolution, 14(11).

By: I. Livingston n, T. Gregory n, E. Hawkins n, A. Cave n, A. Loyola*, S. Vaden n, D. Deresienski n, M. Riofrío‐Lazo* ...

author keywords: endangered species; Galapagos; heartworm; introduced species; pathogen detection; sea lion
topics (OpenAlex): Parasite Biology and Host Interactions; Parasitic Diseases Research and Treatment; Primate Behavior and Ecology
Sources: Web Of Science, NC State University Libraries, Crossref
Added: December 16, 2024

2023 journal article

Dirofilaria immitis Identified in Galapagos Sea Lions (Zalophus wollebaeki): A Wildlife Health and Conservation Concern

Journal of Wildlife Diseases, 59(3), 487–494.

By: T. Gregory n, I. Livingston n, E. Hawkins n, A. Loyola*, A. Cave n, S. Vaden n, D. Deresienski n, M. Breen n ...

author keywords: Dirofilaria immitis; Galapagos Islands; heartworm; Zalophus wollebaeki
MeSH headings : Animals; Dogs; Male; Sea Lions; Dirofilaria immitis; Animals, Wild; Caniformia; Animals, Domestic; Endangered Species; Dirofilariasis / epidemiology; Dog Diseases
topics (OpenAlex): Parasitic Diseases Research and Treatment; Parasite Biology and Host Interactions; Parasites and Host Interactions
TL;DR: This is the first report of D. immitis infection in Galapagos sea lions, and widespread adoption of routine heartworm testing, prevention, and treatment in the canine population, and the control of mosquitos, could potentially reduce the disease impact on this endangered pinniped species. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: August 14, 2023

2023 article

Health status of the red-billed tropicbird ( Phaethon aethereus ) determined by hematology, biochemistry, blood gases, and physical examination

Skehel, A., Ulloa, C., Deresienski, D., Regalado, C., Muñoz-Pérez, J. P., Garcia, J. A., … Valle, C. A. (2023, August 7). PeerJ, Vol. 11.

By: A. Skehel*, C. Ulloa*, D. Deresienski n, C. Regalado*, J. Muñoz-Pérez*, J. Garcia*, B. Hardesty*, R. Passingham n ...

author keywords: Phaethon aethereus; Biochemistry; Galapagos; Hematology; Red-billed tropicbirds
MeSH headings : Animals; Lactic Acid; Body Temperature; Birds; Health Status; Hematology; Gases
topics (OpenAlex): Bird parasitology and diseases; Viral Infections and Vectors; Avian ecology and behavior
TL;DR: The baseline data, and reference intervals reported in this paper are essential to detecting changes in the health of red-billed tropicbirds in the future. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 28, 2023

2023 article

Prevalence of Toxoplasma gondii in Galapagos birds: Inference of risk factors associated with diet

Mosquera, J. D., Valle, C. A., Nieto-Claudin, A., Fessl, B., Lewbart, G. A., Deresienski, D., … Poulle, M.-L. (2023, July 5). PLoS ONE, Vol. 18.

MeSH headings : Animals; Humans; Toxoplasma; Prevalence; Plant Breeding; Animals, Wild / parasitology; Passeriformes; Risk Factors; Diet; Toxoplasmosis, Animal / parasitology; Antibodies, Protozoan
topics (OpenAlex): Toxoplasma gondii Research Studies; Rabies epidemiology and control; Mosquito-borne diseases and control
TL;DR: Results indicate that the consumption of tissue cysts poses the highest risk of exposure to T. gondii for Galapagos birds, followed by the ingestion of plants and insects contaminated by oocysts as important transmission pathways. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 7, 2023

2023 article

Ten Years of Wildlife Health and Conservation in the Galapagos, 2013–2022

Lewbart, G. A., Pérez, J. P. M., Páez-Rosas, D., Valle, C., Alarcón-Ruales, D., Hirschfeld, M., … Lohmann, K. J. (2023, January 1). Social and Ecological Interactions in the Galapagos Islands, pp. 291–317.

topics (OpenAlex): Zoonotic diseases and public health; Human-Animal Interaction Studies; Turtle Biology and Conservation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: November 6, 2023

2021 article

HEALTH STATUS OF NAZCA BOOBIES (SULA GRANTI) ON DAPHNE MAJOR ISLAND IN THE GALÁPAGOS DETERMINED BY HEMATOLOGY, BIOCHEMISTRY, AND PHYSICAL EXAMINATION

Tucker-Retter, E. K., Velsey-Gross, Z., Deresienski, D., Ulloa, C., Muñoz-Pérez, J.-P., Skehel, A., … Valle, C. A. (2021, June 11). Journal of Zoo and Wildlife Medicine, Vol. 6.

By: E. Tucker-Retter*, Z. Velsey-Gross, D. Deresienski n, C. Ulloa, J. Muñoz-Pérez, A. Skehel, R. Passingham n, J. Castaneda, G. Lewbart n, C. Valle

MeSH headings : Animals; Bird Diseases / diagnosis; Bird Diseases / epidemiology; Birds / blood; Ecuador / epidemiology; Female; Hematologic Tests / veterinary; Male; Serologic Tests / veterinary
topics (OpenAlex): Bird parasitology and diseases; Wildlife Ecology and Conservation; Avian ecology and behavior
TL;DR: The time between capture and blood collection had a significant inverse relationship on plasma sodium, potassium, hemoglobin, anion gaps, and lymphocyte counts, suggesting that blood sampling in Nazca boobies should be done in less than 5 m to avoid the impacts of stress on hematological parameters. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 12, 2021

2020 article

Baseline haematology, biochemistry, blood gas values and health status of the Galapagos swallow-tailed gull (Creagrus furcatus)

Valle, C. A., Ulloa, C., Regalado, C., Muñoz-Pérez, J.-P., Garcia, J., Hardesty, B. D., … Lewbart, G. A. (2020, January 1). Conservation Physiology, Vol. 8.

By: C. Valle*, C. Ulloa*, C. Regalado*, J. Muñoz-Pérez*, J. Garcia*, B. Hardesty, A. Skehel*, D. Deresienski n, R. Passingham n, G. Lewbart n

author keywords: Biochemistry; Creagrus furcatus; Galapagos Islands; swallow-tailed gull; health status; haematology
topics (OpenAlex): Bird parasitology and diseases; Turtle Biology and Conservation; Mosquito-borne diseases and control
TL;DR: The baseline data reported is valuable for comparisons amongst different populations in the archipelago and to detect changes in health status of Galápagos swallow-tailed gulls. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: September 14, 2020

2020 article

HEALTH STATUS AND BASELINE HEMATOLOGY, BIOCHEMISTRY, AND BLOOD GAS VALUES OF GALAPAGOS SHEARWATERS (PUFFINUS SUBALARIS)

Valle, C. A., Ulloa, C., Regalado, C., Muñoz-Pérez, J.-P., Garcia, J., Hardesty, B. D., … Lewbart, G. A. (2020, January 8). Journal of Zoo and Wildlife Medicine, Vol. 50, pp. 1026–1030.

By: C. Valle n, C. Ulloa n, C. Regalado n, J. Muñoz-Pérez n, J. Garcia n, B. Hardesty n, A. Skehel n, D. Deresienski n, G. Lewbart n

author keywords: Biochemistry; Blood gases; Galapagos Islands; Galapagos shearwater; Health status; Hematology; Puffinus subalaris
MeSH headings : Acid-Base Equilibrium; Animals; Bicarbonates / blood; Birds / blood; Blood Glucose; Calcium / blood; Carbon Dioxide / blood; Chlorides / blood; Creatinine / blood; Hematocrit / veterinary; Hemoglobins; Hydrogen-Ion Concentration; Lactates / blood; Oxygen / blood; Potassium / blood; Sodium / blood
topics (OpenAlex): Viral Infections and Vectors; Bird parasitology and diseases; Bat Biology and Ecology Studies
TL;DR: The reported results provide baseline data that can be used for comparisons among populations and in detecting changes in health status among Galápagos shearwaters. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 27, 2020

2020 article

Total injectable anesthesia of dogs and cats for remote location veterinary sterilization clinic

Posner, L. P., Applegate, J., Cannedy, A., Deresienski, D., Mozzachio, K., Serrano, M., & Lewbart, G. (2020, August 24). BMC Veterinary Research, Vol. 16.

By: L. Posner n, J. Applegate n, A. Cannedy n, D. Deresienski n, K. Mozzachio n, M. Serrano n, G. Lewbart n

author keywords: sterilization; dog; cat; anesthesia; total injectable anesthesia
MeSH headings : Adrenergic alpha-2 Receptor Antagonists / administration & dosage; Anesthesia, Intravenous / veterinary; Anesthetics, Combined / administration & dosage; Animals; Cats / surgery; Dexmedetomidine / administration & dosage; Dogs / surgery; Ecuador; Female; Hydromorphone / administration & dosage; Imidazoles / administration & dosage; Ketamine / administration & dosage; Male; Meloxicam / administration & dosage; Orchiectomy / veterinary; Ovariectomy / veterinary; Pregnanediones
topics (OpenAlex): Veterinary Pharmacology and Anesthesia; Veterinary Practice and Education Studies
TL;DR: Total injectable anesthesia can be accomplished for remote location sterilization clinics with minimal morbidity. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 5, 2020

2018 article

EVALUATION OF THE OPHTHALMIC DISEASE AND HISTOPATHOLOGIC EFFECTS DUE TO THE OCULAR TREMATODEPHILOPHTHALMUS ZALOPHION JUVENILE GALAPAGOS SEA LIONS (ZALOPHUS WOLLEBAEKI)

Phillips, B. E., Páez-Rosas, D., Flowers, J. R., Cullen, J. M., Law, J. M., Colitz, C., … Lewbart, G. A. (2018, September 1). Journal of Zoo and Wildlife Medicine, Vol. 49, pp. 581–590.

By: B. Phillips, D. Páez-Rosas, J. Flowers*, J. Cullen*, J. Law*, C. Colitz, D. Deresienski*, K. Lohmann, G. Lewbart*

author keywords: Conjunctival biopsy; eye trematode; Galapagos sea lion; Philophthalmus zalophi; Zalophus wollebaeki
MeSH headings : Aging; Animals; Ecuador / epidemiology; Eye Diseases / epidemiology; Eye Diseases / parasitology; Eye Diseases / veterinary; Sea Lions / parasitology; Trematoda / classification; Trematode Infections / epidemiology; Trematode Infections / parasitology; Trematode Infections / veterinary
topics (OpenAlex): Turtle Biology and Conservation; Parasite Biology and Host Interactions; Marine animal studies overview
TL;DR: The histopathologic changes and gross lesions were likely due to the parasite's attachment to the conjunctiva, and further research is warranted to detail the life cycle of this parasite, transmission to sea lions, and potential treatment protocols. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: January 21, 2019

2018 article

Haematology and biochemistry of the San Cristóbal Lava Lizard (Microlophus bivittatus)

Arguedas, R., Steinberg, D., Lewbart, G. A., Deresienski, D., Lohmann, K. J., Muñoz-Pérez, J. P., & Valle, C. A. (2018, January 1). Conservation Physiology, Vol. 6.

author keywords: Biochemistry; Galapagos; haematology; health assessment; Microlophus bivittatus; San Cristobal lava lizard
topics (OpenAlex): Amphibian and Reptile Biology; Mosquito-borne diseases and control; Insect Utilization and Effects
TL;DR: Haematology and biochemistry values of the San Cristóbal lava lizard Microlophus bivittatus, along with several other health parameters (morphometrics and temperature), are reported for the first time. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: October 19, 2018

2018 article

Health Status of Great Frigatebirds (Fregata minor) Determined by Haematology, Biochemistry, Blood Gases, and Physical Examination

Valle, C. A., Ulloa, C., Deresienski, D., Regalado, C., Muñoz-Pérez, J.-P., Garcia, J., … Lewbart, G. A. (2018, January 1). Conservation Physiology, Vol. 6.

By: C. Valle*, C. Ulloa*, D. Deresienski n, C. Regalado*, J. Muñoz-Pérez*, J. Garcia*, B. Hardesty*, A. Skehel*, G. Lewbart n

author keywords: Biochemistry; blood gases; Fregata minor; Galapagos Islands; health status; haematology; San Cristobal
topics (OpenAlex): Bird parasitology and diseases; Avian ecology and behavior; Viral Infections and Vectors
TL;DR: This study presents important morphometric and health parameters of 55 great frigatebirds from two locations on the Galápagos archipelago to add to baseline health assessment values and provides reference blood parameter intervals. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 article

HEALTH STATUS OF RED-FOOTED BOOBIES (SULA SULA) DETERMINED BY HEMATOLOGY, BIOCHEMISTRY, BLOOD GASES, AND PHYSICAL EXAMINATION

Lewbart, G. A., Ulloa, C., Deresienski, D., Regalado, C., Muñoz-Pérez, J.-P., Garcia, J., … Valle, C. A. (2017, December 1). Journal of Zoo and Wildlife Medicine, Vol. 48, pp. 1230–1233.

By: G. Lewbart*, C. Ulloa, D. Deresienski*, C. Regalado, J. Muñoz-Pérez, J. Garcia, B. Hardesty, C. Valle

author keywords: Biochemistry; blood gases; Galapagos Islands; health status; hematology; Sula sula
MeSH headings : Animals; Bicarbonates / blood; Birds / blood; Blood Glucose; Calcium / blood; Carbon Dioxide / blood; Ecuador; Hematocrit; Hemoglobins; Oxygen / blood; Physical Examination / veterinary; Potassium / blood; Reference Values; Sodium / blood
topics (OpenAlex): Turtle Biology and Conservation; Bat Biology and Ecology Studies; Bird parasitology and diseases
TL;DR: Blood samples drawn from 31 manually restrained red-footed boobies that were captured by hand from their nests at Punta Pitt on San Cristóbal Island provided baseline data that can be used for comparisons among populations and in detecting changes in health status among Galápagos red-Footed Booby. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science; OpenAlex)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2015 article

Health Status of Galápagos Sea Lions (Zalophus wollebaeki) on San Cristóbal Island Rookeries Determined by Hematology, Biochemistry, Blood Gases, and Physical Examination

Páez-Rosas, D., Hirschfeld, M., Deresienski, D., & Lewbart, G. A. (2015, November 3). Journal of Wildlife Diseases, Vol. 52, pp. 100–105.

By: D. Páez-Rosas*, M. Hirschfeld*, D. Deresienski n & G. Lewbart n

author keywords: Biochemistry; blood gases; Galapagos Islands; health status; hematology; Zalophus wollebaeki
MeSH headings : Animals; Blood Chemical Analysis / veterinary; Blood Gas Analysis / veterinary; Ecuador; Health Status; Hematologic Tests / veterinary; Physical Examination / veterinary; Sea Lions / anatomy & histology; Sea Lions / blood
topics (OpenAlex): Marine animal studies overview; Physiological and biochemical adaptations; Bat Biology and Ecology Studies
TL;DR: Average heart rate, biochemistry, and hematology parameters were comparable with healthy individuals of other pinniped species, and Hemoglobin was significantly correlated with body condition of juvenile Galápagos sea lions. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

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