Understanding how environmental factors influence reproductive aspects of wild myomorphic and hystricomorphic rodents

Dantas, Maiko Roberto Tavares; Souza, João Batista Freire de; Castelo, Thibério de Souza; Lago, Arthur Emannuel de Araújo; Silva, Alexandre Rodrigues

doi:10.1590/1984-3143-ar2020-0213

Cited by 16 publications

(9 citation statements)

References 47 publications

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“…Thus, further studies are necessary to gain insight into the triangle of Rodent–Flea– Bartonella . The climate condition in summer is not only suitable for rodent reproduction and movement (Dantas et al., 2021; Hosseini et al., 2004) but also easy to cause human skin exposure (most people often wear shorts and shirts). In addition, our study discovered a high prevalence rate in the summer, all of which enhance the likelihood of human contact with rodents and rodent fleas, thus increasing the risk of Bartonella transmission to humans.…”

Section: Discussionmentioning

confidence: 99%

Epidemiological characteristics and genetic diversity of Bartonella species in rodents from southeastern China

Liu

Han²,

WeiJun³

et al. 2022

Zoonoses and Public Health

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Bartonellosis, a vector-borne zoonotic disease, is an emerging infectious disease worldwide (Mogollon-Pasapera et al., 2009). Bartonella species are rod-shaped, fastidious, Gram-negative facultative and intracellular bacteria that parasitize the endothelial and red blood cells of their host, belonging to the alpha-2-Proteobacteria class (Angelakis & Raoult, 2014;Birtles & Raoult, 1996). Since the 20th century, with the continuous increase in the number of Bartonella species, 45 Bartonella species have been officially named, and some species also contain more than one subspecies. Among them, 15 species are related to human diseases (Mardosaitė-Busaitienė et al., 2019). Bartonella species are transmitted from animals to animals or humans through blood-sucking arthropods, including fleas, lice, ticks and mites. The primary reservoir host of Bartonella species are mammals such as dogs, cats, rodents and rabbits (Okaro et al., 2017).In living mammals, rodents are the most abundant taxonomic order, accounting for approximately 43% of all mammalian species, with the characteristics of widely distributed, and high reproductive ability, which play a key role in the transmission of a large number of infectious disease pathogens to humans (Huchon et al., 2002;Meerburg et al., 2009). Previous data indicated that rodents harbour the largest number of Bartonella species (Gutiérrez et al., 2015), and 22 species of Bartonella and their subspecies have been isolated from 98 species of rodents from at least 7 families (Buffet et al., 2013).

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Section: Discussionmentioning

confidence: 99%

Epidemiological characteristics and genetic diversity of Bartonella species in rodents from southeastern China

Liu

Han²,

WeiJun³

et al. 2022

Zoonoses and Public Health

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show abstract

“…dough, preharvest stage and lean period when the temperature was high as well as when the day length increased. Dantas et al (2021) reported that environmental factors such as photoperiod, temperature and rainfall could impair or contribute to the quality of reproductive parameters of rodents.…”

Section: Resultsmentioning

confidence: 99%

Reproductive Biology and Population Dynamics of Indian Gerbil Rat Tatera indica in Wheat Crop

Dhillon

Kaur

2022

ije

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Tatera indica, the Indian gerbil rat trapped during different growth stages of wheat crop, revealed that maximum mature gerbils (80-100%) were trapped during later growth stages (panicle initiation preharvest + lean period). While, 25 and 50% pregnant ones as well as 100 and 75% cyclic gerbils were collected during dough and preharvest stages, respectively. The weight of ovaries (13.00-19.00 mg/100 gbw), number and diameter of various follicles such as primordial (13.00-16.75; 19.57-19.98 μm), primary (6.50-7.33; 93.12-96.07 μm), secondary (2.75-3.67; 204.42-216.95 μm), pre-antral (2.75-3.50; 277.63-332.57 μm), antral (3.25-3.67; 474.44-499.98 μm), atretic (3.00-3.50; 211.49-247.33 μm) and corpus luteum (3.50- 5.50; 622.24-629.76 μm) were significantly more during later growth stages i.e. dough, preharvest stages and lean period. The sperm motility (89.50-89.67%), viability (92.50-92.67%) and count (119.67-131.75 millions/ml) was significantly more during dough and preharvest stages. The diameter of seminiferous tubules (203.68- 229.44 μm), number of spermatogonia (16.67-17.50), elongating spermatids (85.67-88.50) and elongated spermatids (81.00- 89.50) were significantly more during panicle initiation, dough and preharvest stages. Thus, control operations of T. indica should be done during tillering/panicle initiation stage before the initiation of their peak breeding activity during dough/ preharvest stages

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“…Rodent reproduction is influenced by a variety of environmental factors, including photoperiod [16], rainfall [17][18][19], temperature [18,20,21] and temperature (Sarli e In order to identify the physiological and behavioural responses of these animals and develop mitigation strategies for the negative effects on reproductive activity, whether brought on by climate change or intentionally harmful human actions to ecosystems, it is crucial to understand how these environmental factors affect rodents.…”

confidence: 99%

Before the Study Begins: Infertility Considerations in Wistar Rat Models

2023

AJBSR

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Many researchers often assume that their research models are well-controlled, leading to the possibility of obtaining flawed results even before their studies commence. Animal models, like the Wistar rat, have proven valuable for studying the pathophysiological mechanisms underlying human illnesses, particularly those related to reproductive health. This paper explores the use of the Wistar rat model in reproductive studies and highlights the factors that can influence the outcomes of such research.The Wistar rat model offers translational relevance to human fertility and infertility research, owing to similarities in reproductive anatomy, hormonal regulation, and physiological responses to human. However, various factors can impact the reproductive health of Wistar rats, including genetic background, the development of tumors, diet, and nutrition, housing conditions, exposure to environmental factors, age-related changes, and reproductive seasonality. Understanding and controlling these variables are crucial for accurate and meaningful research outcomes in the context of Wistar rat-based reproductive studies. By addressing these factors and conducting rigorous research, the Wistar rat model can continue to be a valuable tool for advancing our understanding of reproductive health and pathophysiological mechanisms, ultimately benefitting both human and animal populations.

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Understanding how environmental factors influence reproductive aspects of wild myomorphic and hystricomorphic rodents

Cited by 16 publications

References 47 publications

Epidemiological characteristics and genetic diversity of Bartonella species in rodents from southeastern China

Epidemiological characteristics and genetic diversity of Bartonella species in rodents from southeastern China

Reproductive Biology and Population Dynamics of Indian Gerbil Rat Tatera indica in Wheat Crop

Before the Study Begins: Infertility Considerations in Wistar Rat Models

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