Literatura académica sobre el tema "Macaca mulatta Zimmermann"

Ethogram provides a list of behaviours a species exhibits together with explanations of each activity in the form of descriptive words and phrases. With the objective to explore the time budgeting of the major behaviours of rhesus monkey the study was conducted from September 2022 to February 2023 by following scan sampling method in Ramdhuni forest, Sunsari,Koshi province Nepal. A total of 750 events were recorded in field working time 300 hours. The time allocated was documented as for foraging (26.67%), locomotion (18.93%), inactive (30.26%), grooming (20.67%) and fighting (3.46%). There was not significant association in gender regarding with the activities (Chi square=0.97, degree of freedom= 4, at significance level 0.05 and tabulated value= 9.49). There was a close relation between the activities in morning and day time (r= 0.80906). Likewise, there was a significant relation between time budgeting for activities with the place for activities (Chi square=78.74, degree of freedom= 20, significance level =0.05 Chi square tabulated= 31.41). Most of the activities were recorded on floor and roof of buildings and temples. There was not association between the allocated time for different activities with the change of season (Chi square= 0.9, degree of freedom=4, significance level= 0.05 and chi square tabulated=9.49). It can be recommended that to manage the monkey and reduce probable conflict between human and monkey, pilgrims should be restricted only in forest sides, not in temple premises to provide foods to monkeys.

Primates are in imminent risk of extinction due to different types of anthropogenic activities. Mortality due to road accidents and electrocution from power lines are among the major direct anthropogenic threats to the survival of primates. We collected primate mortality data from 2015 to 2017 at Lawachara National Park and Satchari National Park in northeastern Bangladesh. We recorded 27 fatalities in five species of primates caused by road accidents (n = 15) and electrocution (n = 12). Most mortality records were for Trachypithecus phayrei (Blyth, 1847) (n = 8) while the lowest recorded mortality was for Macaca mulatta (Zimmermann, 1780) (n = 3). Ninety percent of primates in Bangladesh are threatened and populations are gradually declining. Our results suggest that roads and power supply lines are major sources of primate mortality that should be managed in these two forests. We strongly suggest avoiding construction of roads and power supply lines inside forests. Furthermore, control of the speed limit of vehicles inside the forests, use of insulated power lines, maintenance of natural canopy bridges and preparation of artificial canopy bridges are strongly recommended.

The present investigation was undertaken to study the prevalence of gastrointestinal parasites in Rhesus Macaque and Hanuman Langur at Devghat, Chitwan. Altogether 93 fresh faecal samples were collected from Rhesus Macaque belonging to five troops and Hanuman Langur of two troops. About 10 gm of faecal material was collected in sterile vials with 2.5% potassium dichromate solution. These samples were examined microscopically by faecal concentration methods viz. floatation technique and sedimentation technique. Out of 93 samples, 69 (74.20%) were found positive for at least one parasite. Prevalence of helminth and protozoan parasites was 52.68% and 40.86% respectively. Altogether, 10 species of parasites including seven helminth and three protozoa were identified based on morphological characteristics of their eggs and cysts under light microscopy. The most commonly detected parasites were Balantidium coli (27.95%) followed by Eimeria sp. (16.12%), Entamoeba sp. (13.97%), Trichuris sp. (23.65%), Ascaris sp. (11.82%), Strongyloides sp. (10.75%), Oesophagostomum sp. (5.37%), Hookworm sp. (3.22%), Trichostrongylus sp. (3.22%) and Hymenolepis sp. (1.07%). Unidentified larvae of nematode which account for 6.45% of total samples were also recorded. Single, double, triple and multiple species of parasites were found in 36.55%, 29.03%, 6.45% and 2.15% samples respectively. Journal of Institute of Science and TechnologyVolume 22, Issue 2, January 2018, Page: 12-18

Abstract The purpose of this research was to investigate the measures, topography, and vascularization of the thyroid gland in Macaca mulatta, a non-human primate. The study involved the dissection of ten male adult cadavers of Macaca mulatta. The length, width, and thickness of the right lobe of the thyroid were 2.552 ± 0.341, 1.019 ± 0.137, and 0.729 ± 0.137 cm. These measures in the left thyroid lobe were 2.406 ± 0.299, 1.013. ± 0.087, and 0.769 ± 0.083 cm. The study found no significant differences in the measures of the left and right lobes of the thyroid gland in rhesus monkeys. Regarding topography, the thyroid gland was located ventrolateral to the trachea, similar to its position in other mammal species. The cranial pole of the gland was closely related to the cricoid or thyroid cartilage, while the caudal pole showed variable positioning to the tracheal rings. The isthmus, a thin band of tissue connecting the lobes, was present in all specimens. The cranial thyroid artery was found to originate from the external carotid artery in most specimens. It supplied the thyroid gland and sent branches to muscles in the neck region. The caudal thyroid artery, originating from the common carotid artery, provides additional blood supply to the gland and sends a branch to the esophagus. This research contributes to knowledge about the thyroid gland in non-human primates, specifically Macaca mulatta. The findings provide critical information for comparative studies and understanding the thyroid gland's role in health and disease.

Oesophagostomum (Conoweberia) mandiensis sp. n. recuperada del estómago del mono macho, Macaca mulatta (Zimmermann, 1780) en el distrito de Narla (Drang) Mandi de Himachal Pradesh, India es descrita. Esta especie difiere de las otras 15 especies conocidas del género al tener una lanceta triangular apical en cada una de las tres paredes esofágicas denticuladas.

Foram utilizados 15 úteros de macacos Rhesus (Macaca mulatta), sendo 5 fêmeas nulíparas, 5 primíparas e 5 pluríparas. Todas as fêmeas eram maduras sexualmente, tinham de 38 a 87 meses de idade e pesavam entre 4,9 a 7,39 Kg. Em todos os animais foram feitos o estudo topográfico, biometria dos órgãos, microscopia de luz e quantificação de colágeno no miométrio. O útero se situa na pelve, sobre a vagina, entre a bexiga urinária e o intestino reto. O útero é do tipo simples, caracterizado por um fundo globóide, localizado sobre a junção com as tubas uterinas, oco, alongado e com contorno piriforme. Pode ser dividido macroscopicamente em quatro regiões: corpo, fundo, istmo e cérvix uterina. Não foram observadas diferenças macroscópicas e de topografia entre as fêmeas nulíparas, primíparas e pluríparas. O comprimento total do útero nas fêmeas nulíparas tiveram média de 4,12 ± 0,2 cm, nas primíparas 4,32 ± 0,26 cm e nas pluríparas 5,14 ± 0,71 cm. Comparando as mensurações entre as três categorias, observou-se que as fêmeas pluríparas possuem as maiores medidas. O endométro é formado por um epitélio prismático simples e uma lâmina própria que contém as glândulas endometriais, que também possui epitélio prismático simples. Em todos os animais estudados, as glândulas endometriais eram tubulares simples e retas. Em relação à distribuição do colágeno no miométrio, o método de Picrossirius Red, permitiu observar uma ampla distribuição do colágeno por todo o compartimento. A cérvix é constituída por um epitélio prismático simples, possui poucas fibras musculares lisas e consiste principalmente em tecido conjuntivo denso. A porcentagem de colágeno encontrado no miométrio das fêmeas nulíparas teve uma média de 26,32 ± 0,82, nas primíparas 29,07 ± 1,01 e nas pluríparas 38,93 ± 1,07, pelo método de coloração de Picrosirius Red.
Fifteen uterus of rhesus macaques (Macaca mulatta) were used, collected from 5 nulliparous, 5 primaparous and 5 pluriparous individuals. All females were sexually mature, they were 38-87 months of age and weighed between 4,9 to 7,39 Kg. All animals were submitted to study topography, biometry of the organs, light microscopy and quantification of collagen in the myometrium. The uterus is located in the pelvis on the vagina between the bladder and rectum. The uterus has a simple type, characterized by a globular background, located on the junction of the fallopian tubes, hollow, elongated and pear-shaped contour. Grossly it can be divided into four parts: body, bottom, isthmus and cervix. No differences were observed macroscopic and topography between nulliparous, rimiparous and pluriparous. The total length of the uterus in nulliparous females had a mean of 4,12 ± 0,2 cm in primiparous 4,32 ± 0,26 cm and 5,14 ± 0,71 cm in pluriparous. Comparing the measurements among the three categories, it was observed that the sows have greater measures. The endometrial epithelium is formed by a simple prismatic and a lamina propria containing the endometrial glands, wich also has a simple prismatic epithelium. In all studied animals the endometrial glands were simple and straight tubular. Regarding the distribution of collagen around the bay. The cervix is composed of a simple prismatic epithelium, has a few smooth muscle fibers and consists mainly of dense connective tissue. The percentage of collagen found in the myometrium of the nulliparous females had an average of 26, 32 ± 0, 82, 29, 07 ± 1, 01 in primiparous and pluriparous 38,93 ± 1,07, through the staining method of Picrosirius Red.

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Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
Morphology studies provide knowledge that allow us to understand how animals interact with the natural environment or in captivity. In this context, the comparative anatomy of the formation of the brachial plexus awakens interest since the nineteenth century and remains one of the most intriguing topics of contemporary anatomy. The aim of this study was to describe the origin and the antimeric distribution of the brachial plexus nerves in Macaca mulatta, as well as the innervated muscles. Ten male rhesus monkeys (Macaca mulatta) were used, from the Non-human Primates? Breeding Department at the Laboratory Animals Breeding Centre (Cecal/Fiocruz), donated to the Animal Anatomy Department of the Rural Federal University of Rio de Janeiro (UFRRJ). The specimens were fixed in formaldehyde solution by infusion of 10% solution. They were subsequently wrapped in a low-density polythene container with 500 liters of formaldehyde 30% solution over a period of 12 months. After this period, they were washed in running water and subjected to X-ray examinations of the neck at the Small Animals Veterinary Hospital of the UFRRJ to characterize the number of cervical vertebrae. Then, they had both antimeres dissected aiming at the exposure of the origins and the nerves arising from the brachial plexus. Data were presented both in absolute frequency and in simple percentage. In 11 (55%) animals the resulting nerves were constituted by the connections between the ventral spinal branches C5, C6, C7, C8 and T1. In 5 (25%) animals, the participants roots were C4, C5, C6, C7, C8, T1 and T2. In 2 (10%) animals C5, C6, C7, C8, T1 and T2. In the other 2 (10%) animals the formation of the plexus was observed from C6, C7, C8, T1 and T2. The ventral branches formed three nerve trunks: cranial, middle and caudal. The suprascapular nerves, subscapular, axillary, musculocutaneous, radial, median, ulnar innervated the intrinsic muscles and the subclavian nerve innervated the thoracodorsal, medial cutaneous arm and forearm, long thoracic, cranial pectoral and caudal pectoral innervate extrinsic muscles. The results obtained in this study contribute to the comparative anatomy of primates and to the information for applied research, serving as basis for clinical and surgical procedures that uses this species as an animal model.
Estudos morfol?gicos fornecem conhecimentos que permitem entender o modo como os animais interagem com o ambiente natural ou em cativeiro. O objetivo desse estudo foi descrever a origem e a distribui??o antim?rica dos nervos do plexo braquial em Macaca mulatta, assim como dos m?sculos inervados. Foram utilizados 10 cad?veres de Macaca mulatta do sexo masculino, oriundos do Servi?o de Cria??o de Primatas N?o Humanos do Centro de Cria??o de Animais de Laborat?rio (Cecal/Fiocruz) doados a ?rea de Anatomia Animal da Universidade Federal Rural do Rio de Janeiro (UFRRJ). Os esp?cimes foram fixados com perfus?o de solu??o de formalde?do a 10%. Posteriormente, foram acondicionados em caixas de polietileno de baixa densidade com capacidade de 500 litros contendo solu??o de formalde?do a 30% por um per?odo de 12 meses. Ap?s este per?odo, foram lavados em ?gua corrente e submetidos a exames radiogr?ficos da regi?o cervical no Hospital Veterin?rio de Pequenos Animais da UFRRJ para a caracteriza??o do n?mero de v?rtebras cervicais. Em seguida, foram dissecados at? a exposi??o das origens e dos nervos oriundos do plexo braquial. Os dados foram representados em frequ?ncia absoluta e percentual simples. Em 11 (55%) os nervos resultantes foram constitu?dos das conex?es entre os ramos espinhais ventrais de C5, C6, C7, C8 e T1. Em 5 (25%) as ra?zes participantes foram C4, C5, C6, C7, C8, T1 e T2. Em 2 (10%) de C5, C6, C7, C8, T1 e T2. Em outros 2 (10%) verificamos a constitui??o do plexo a partir de C6, C7, C8, T1 e T2. Os ramos ventrais formaram tr?s troncos nervosos: cranial, m?dio e caudal. Os nervos supraescapular, subescapulares, axilar, musculocut?neo, radial, mediano, ulnar inervaram a musculatura intr?nseca e os nervos subcl?vios, toracodorsal, tor?cico longo, peitoral cranial e peitoral caudal inervaram a musculatura extr?nseca. Tamb?m foram registrados os nervos cut?neos oriundos do plexo braquial, sendo eles o nervo cut?neo medial do bra?o, nervo cut?neo medial do antebra?o e ramos para a musculatura cut?nea do tronco. Os dados descritos neste estudo contribuem para a anatomia comparada de primatas e fornecem informa??es para a pesquisa aplicada, servindo como base para procedimentos cl?nico-cir?rgicos em que venha a se utilizar esta esp?cie como modelo experimental.