Results 171 to 180 of about 1,990 (190)

Detection of Leptospira spp. in Captive Broad-Snouted Caiman (Caiman latirostris)

EcoHealth, 2019
Leptospira sp. is an important waterborne zoonotic bacterium, known to cause infection in animals and humans worldwide. The role of reptiles in the transmission of this microorganism is poorly understood and historically neglected. This study aimed to investigate the presence of anti-Leptospira spp.
Lucas Nogueira, Paz, Camila, Hamond, Carla Silva, Dias, Vitor P, Curvelo, Marco Alberto, Medeiros, Arianne Pontes, Oriá, Melissa Hanzen, Pinna   +6 more
openaire   +2 more sources

Allometry of Reproduction in Wild Broad-Snouted Caimans (Caiman latirostris)

Journal of Herpetology, 2004
We studied 20 nesting female Caiman latirostris and their clutches in Santa Fe Province, Argentina. We regressed clutch and egg parameters and hatchling size with several measurements of female size (ln-transformed) to evaluate the allometry of reproduction in the wild. Larger females produced relatively smaller clutches. Larger females produced larger
Alejandro Larriera, Carlos I. Piña, Pablo Siroski, Luciano M. Verdade   +3 more
openaire   +1 more source

Genital anatomy and copulatory interactions in the broad snouted Caiman (Caiman latirostris)

The Anatomical Record, 2021
AbstractThe broad snouted caiman is a crocodylian native to South America that is subject to extensive conservation management in both wild and farming environments. Although reproductive behaviors like egg laying and clutch care have been examined in this species, little else is known about their copulatory system.
Brandon C. Moore, Diane A. Kelly, Milan Piva, Mark Does, Dong Kyu Kim, Melina Simoncini, Pamela M.L. Leiva, Carlos I. Pina   +7 more
openaire   +2 more sources

Ultraviolet radiation-induced genotoxic effects in the broad-snouted caiman, Caiman latirostris

Mutation Research/Genetic Toxicology and Environmental Mutagenesis, 2010
Ultraviolet radiation (UVR) has many positive effects, but overexposure of organisms can generate alterations in DNA, either directly or indirectly, inducing mutagenic and cytotoxic lesions. The aim of this study was to evaluate the genotoxic effects of UVA-B/visible light in the broad-snouted caiman (Caiman latirostris), using the micronucleus (MN ...
L G, Schaumburg, G L, Poletta, A, Imhof, P A, Siroski   +3 more
openaire   +2 more sources

What Is Caiman latirostris Teaching Us About Endocrine Disruptors?

2023
Endocrine-disrupting chemicals (EDCs), which include a large variety of man-made chemicals frequently used around the world, are substances that behave as endogenous hormones or as inhibitors of their actions. The negative impact of EDCs on laboratory rodents, humans and aquatic and avian species has been deeply studied for years.
Durando, Milena de Lourdes, Galoppo, Germán Hugo, Tavalieri, Yamil Ezequiel, Zanardi, Maria Victoria, Muñoz de Toro, Monica Milagros   +4 more
openaire   +2 more sources

ISOLATION OF SALMONELLA SPP. FROM YACARE CAIMAN (CAIMAN YACARE) AND BROAD-SNOUTED CAIMAN (CAIMAN LATIROSTRIS) FROM THE ARGENTINE CHACO

Journal of Wildlife Diseases, 2011
Presence of Salmonella spp. was evaluated in yacare caiman (Caiman yacare) and broad-snouted caiman (Caiman latirostris) from a ranching facility in the Argentine Chaco. Crocodilian ranching programs are based on captive breeding of wild-harvested eggs and release of excess hatchlings into the wild.
Marcela, Uhart, Hebe, Ferreyra, Rosana, Mattiello, María Inés, Caffer, Raquel, Terragno, Adriana, Schettino, Walter, Prado   +6 more
openaire   +2 more sources

Anurans as paratenic hosts in the transmission of Hepatozoon caimani to caimans Caiman yacare and Caiman latirostris

Parasitology Research, 2011
Prevalence of Hepatozoon caimani has been reported in 76% of caimans Caiman yacare from the Pantanal region. Culex (Melanoconion) spp. mosquitoes were recently identified as natural vectors of this parasite. However, culicids are not typically eaten by crocodilians, suggesting that the main transmission route is through ingestion of insectivorous ...
Lúcio André, Viana, Priscilla, Soares, Jhonatan Eber, Silva, Fernando, Paiva, Marcos Eduardo, Coutinho   +4 more
openaire   +2 more sources

Baroreflex control of heart rate in the broad-nosed caiman Caiman latirostris is temperature dependent

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 2010
It has been suggested that ectothermic vertebrates primarily control blood pressure to protect the pulmonary vasculature from oedema caused by high pressure, while endothermic vertebrates control blood pressure to maintain adequate oxygen delivery to the tissues. In the present study we have characterised how temperature affects the cardiac limb of the
Hagensen, Mette K, Abe, Augusto S, Wang, Tobias   +2 more
openaire   +3 more sources

Heterogeneity and polymerization of hemoglobins of Caiman latirostris (Crocodylia: Reptilia)

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1976
Abstract 1. 1. The hemoglobins of Caiman latirostris were examined by starch gel electrophoresis and molecular sieving. 2. 2. Three major and one minor components were resolved by electrophoresis at pH 8.1 of freshly prepared and alkylated samples. 3. 3.
E, Reischl, C O, da Diefenbach
openaire   +2 more sources

Postnatal development and histofunctional differentiation of the oviduct in the broad-snouted caiman (Caiman latirostris)

General and Comparative Endocrinology, 2016
Caiman latirostris is a South American crocodilian species characterized as a sentinel of the presence of endocrine-disrupting compounds (EDCs). Evaluating developmental events in hormone-dependent organs, such as the oviduct, is crucial to understand physiological postnatal development, to identify putative periods of exposure sensitive to EDCs, and ...
Galoppo, Germán Hugo, Stoker, Cora, Canesini, Guillermina, Schierano Marotti, Gonzalo, Durando, Milena de Lourdes, Luque, Enrique Hugo, Muñoz de Toro, Monica Milagros   +6 more
openaire   +3 more sources