La mordida del cocodrilo americano (Crocodylus acutus), ¿es potencialmente séptica?

Cupul-Magaña, Fabio Germán; Rubio-Delgado, Armando; Reyes-Juárez, Abraham

doi:10.32776/revbiomed.v16i1.531

Cited by 3 publications

(3 citation statements)

References 5 publications

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“…Regarding the biometric variables of the C. acutus neonates, these are within the average values registered in other regions (Florida, Mexico, Colombia, Peru), in which the average TL fluctuated between 24.0 and 28.2 cm, and W between 46.13 and 69.0 (Brandt et al, 1995;Álvarez del Toro, 2001;Ossa, 2002;Cupul-Magaña et al, 2004;Pérez & Escobedo-Galván, 2005;Sigler, 2010;Gómez-González et al, 2017). The values of standard length (SL) are rarely recorded for C. acutus neonates.…”

Section: Discussionsupporting

confidence: 75%

“…Our results are similar to the values reported in Quintana Roo, Jalisco and Oaxaca in Mexico, where the hatching percentages were 72.3, 74.1 and 75.1 respectively (Casas-Andreu, 2003;Charruau et al, 2010;Cedillo-Leal et al, 2013) and higher than the percentages registered in Florida (Ogden, 1978;Mazzotti, 1989) and in the Monte Cabaniguán Fauna Refuge in Cuba (Rodríguez, 2009;Tabet, 2009) in which values lower than 60% were recorded. On the other hand, hatching suc-cess averages greater than 80% have been registered in some studies carried out in environments (Cupul-Magaña et al, 2004;Cupul-Magaña & Aranda-Mena, 2005;Balaguera-Reina et al, 2015;Barragán et al, 2021); however, due to the fact that the viability of the eggs was not estimated in this work, the hatching success could be underestimated, for example, Casas-Andreu (2003) refers that the viability can vary between 36 and 100%.…”

Section: Discussionmentioning

confidence: 68%

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Effects of depth in semi-controlled artificial incubation on egg hatching success of <em>Crocodylus acutus</em> (Cuvier, 1807) and hatchlings biometry

Larreal

Quintero‐Torres

Barros

2022

bah

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Semi-controlled artificial incubation methods of crocodile eggs use low technology devices where one or more parameters cannot be controlled, but with the advantage that they are less expensive and logistically more feasible. This study evaluated the effect of different artificial incubation depths on the hatching success of eggs of Crocodylus acutus, under semi-controlled conditions, and analyzed biometric data of the hatchlings. The crocodile nests were collected from sandbanks of the two rivers (RÃo Negro and RÃo Santa Rosa), both located at Machiques de PerijÃ¡, Zulia state, Venezuela. The results showed a significant and positive effect on hatching success when the eggs were buried at 2 cm depth, compared to those at 10 cm and 20 cm. The hatching success at 2 cm depth was 82.43%. Also, we found that the size and weight of the hatchlings, as well as the relationships between these biometric variables, depend on the place of origin of the nests. The highest hatching percentage obtained at 2 cm was probably due to the effect of optimal incubation temperatures at this depth. The isolation and controlled heating system of the incubation room would prevent extreme fluctuations in temperature, favoring greater hatching at 2 cm depth. Differences in the biometric aspects of the hatchlings could be associated with differences in the size and the physiological status of the females from both sites.

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Section: Discussionsupporting

confidence: 75%

Section: Discussionmentioning

confidence: 68%

Effects of depth in semi-controlled artificial incubation on egg hatching success of <em>Crocodylus acutus</em> (Cuvier, 1807) and hatchlings biometry

Larreal

Quintero‐Torres

Barros

2022

bah

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“…According to Cupul-Magaña et al (4), studies on the crocodilian flora are scarce and the few existent only focus two species: the American alligator (Alligator mississippiensis) and the Broad-snouted caiman (Caiman latirostris). These same authors, working with free-ranging American crocodile (Crocodylus acutus), isolated Aeromonoas hydrophila, Arizona sp., Citrobacter diversus, C. freundii, Enterococcus sp., Eschecrichia coli, Klebsiella pneumoniae, Neisseria sp., Pseudomonas sp and Strepetococcus viridans from the animal's oral cavities.…”

Section: Resultsmentioning

confidence: 99%

Aerobic bacterial microflora of Broad-snouted caiman (Caiman latirostris) oral cavity and cloaca, originating from Parque Zoológico Arruda Câmara, Paraíba, Brazil

Silva¹,

Mota²,

Júnior³

et al. 2009

Braz. J. Microbiol.

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The objective of this study was to isolate and identify the aerobic bacterial microflora from the oral cavity mucosa and cloaca's samples, collected from Broad-snouted caiman (Caiman latirostris), born and bred in captivity at Parque Zoológico Arruda Câmara, João Pessoa, Paraíba, Brazil. The most common bacteria were Staphylococcus sp. (14.74%), Corynebacterium sp. (13.68%), Escherichia coli (13.68%) and Shigella sp. (11.58%), and the less common were Citrobacter sp. (1.05%), Klebsiella pneumoniae (1.05%) and Salmonella sp. (1.05%).This emphasizes the importance of these microorganisms' participation in infectious processes (sepsis) and injuries caused by crocodilians.

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Oral and cloacal microflora of wild crocodiles Crocodylus acutus and C. moreletii in the Mexican Caribbean

Charruau

Pérez-Flores²,

Pérez-Juárez³

et al. 2012

Dis. Aquat. Org.

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Bacterial cultures and chemical analyses were performed from cloacal and oral swabs taken from 43 American crocodiles Crocodylus acutus and 28 Morelet's crocodiles C. moreletii captured in Quintana Roo State, Mexico. We recovered 47 bacterial species (28 genera and 14 families) from all samples with 51.1% of these belonging to the family Enterobacteriaceae. Fourteen species (29.8%) were detected in both crocodile species and 18 (38.3%) and 15 (31.9%) species were only detected in American and Morelet's crocodiles, respectively. We recovered 35 bacterial species from all oral samples, of which 9 (25.8%) were detected in both crocodile species. From all cloacal samples, we recovered 21 bacterial species, of which 8 (38.1%) were detected in both crocodile species. The most commonly isolated bacteria in cloacal samples were Aeromonas hydrophila and Escherichia coli, whereas in oral samples the most common bacteria were A. hydrophila and Arcanobacterium pyogenes. The bacteria isolated represent a potential threat to crocodile health during conditions of stress and a threat to human health through crocodile bites, crocodile meat consumption or carrying out activities in crocodile habitat. We especially warn about the presence of Salmonella arizonae and S. typhi, which cause enteritis and septicemia in crocodiles and salmonellosis and typhoid fever in humans. The risk of bacterial contamination from crocodiles to humans could increase in the future because of the accelerated destruction of crocodile habitat, which could lead to an augmentation of human−crocodile interactions. Information on bacterial diversity reported here could help in the choice of antibacterial products in case of infections that are of crocodile origin.KEY WORDS: Bacterial flora · Crocodylus acutus · Crocodylus moreletii · Salmonella · Cozumel · Río Hondo · Banco Chinchorro · Mexico Resale or republication not permitted without written consent of the publisherDis Aquat Org 98: [27][28][29][30][31][32][33][34][35][36][37][38][39] 2012 Besides the physical damage, survivors of attacks from crocodilians can develop wound infections caused by bacteria or fungi (Flandry et al. 1989, Caldicott et al. 2005, Wamisho et al. 2009, Langley 2010. Several studies display the existence of many bacteria and fungi in the oral cavity of wild and captive crocodilians (Doering et al. 1971, Gorden et al. 1979, Flandry et al. 1989, Matushima & Ramos 1995, Anderson 1999, Cupul-Magaña et al. 2005, Silva et al. 2009). While several antibiotics provide protection from wound infections, in some cases patients can die from sepsis (Vanwersch 1998, Caldicott et al. 2005. Crocodilians show great resistance and healing capacity to injuries and illness, but several studies report diseases or symptoms in crocodilians related to bacterial infections, which can even lead to the death of individuals (Shotts et al. 1972, Novak & Seigel 1986, Hernández-Hurtado & Cupul-Magaña 1996, Mehrotra et al. 2000, Huchzermeyer 2003, Bishop et al. 2007, Garcia et al. 2008.The Quintan...

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La mordida del cocodrilo americano (Crocodylus acutus), ¿es potencialmente séptica?

Cited by 3 publications

References 5 publications

Effects of depth in semi-controlled artificial incubation on egg hatching success of <em>Crocodylus acutus</em> (Cuvier, 1807) and hatchlings biometry

Effects of depth in semi-controlled artificial incubation on egg hatching success of <em>Crocodylus acutus</em> (Cuvier, 1807) and hatchlings biometry

Aerobic bacterial microflora of Broad-snouted caiman (Caiman latirostris) oral cavity and cloaca, originating from Parque Zoológico Arruda Câmara, Paraíba, Brazil

Oral and cloacal microflora of wild crocodiles Crocodylus acutus and C. moreletii in the Mexican Caribbean

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