Male-Male Mounting Behaviour in Free-Ranging Golden Snub-Nosed Monkeys (Rhinopithecus roxellana)

2018 ◽  
Vol 89 (2) ◽  
pp. 150-156 ◽  
Author(s):  
Gu Fang ◽  
Alan F. Dixson ◽  
Xiao-Guang Qi ◽  
Bao-Guo Li
Keyword(s):  
Rhinopithecus Roxellana ◽  
Free Ranging

scholarly journals Free-ranging Sichuan snub-nosed monkeys Rhinopithecus roxellana: Neophobia, neophilia, or both?

2013 ◽  
Vol 59 (3) ◽  
pp. 311-316 ◽  
Author(s):  
Weiwei Fu ◽  
Dapeng Zhao ◽  
Xiaoguang Qi ◽  
Songtao Guo ◽  
Wei Wei ◽  
...  
Keyword(s):  
World Monkey ◽  
The Novel ◽  
Rhinopithecus Roxellana ◽  
Old World ◽  
Novel Object ◽  
Old World Monkey ◽  
Free Ranging ◽  
Age And Sex

Abstract We studied the responsiveness of the Sichuan snub-nosed monkey Rhinopithecus roxellana, an arboreal Old World monkey, to the presence of novel stimuli associated with familiar food. We also determined differences in responses by age and sex. Results showed that monkeys exhibited neophilia and neophobia simultaneously when facing novel stimuli. Age affected the response to novel stimuli significantly, with immature individuals responding to novel stimuli most frequently and infants least frequently. No significant differences were observed for sex, although females were more responsive to the novel object than were males. Our results support the “readiness to eat” hypothesis that the presence of a novel object can increase latencies to consume familiar food.

scholarly journals An examination of factors potentially influencing birth distributions in golden snub-nosed monkeys (Rhinopithecus roxellana)

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e2892 ◽  
Author(s):  
Zuofu Xiang ◽  
Wanji Yang ◽  
Xiaoguang Qi ◽  
Hui Yao ◽  
Cyril C. Grueter ◽  
...  
Keyword(s):  
Food Availability ◽  
Reproductive Activity ◽  
Day Length ◽  
Circular Statistics ◽  
Rhinopithecus Roxellana ◽  
Average Temperature ◽  
Conception Date ◽  
Reproductive Events ◽  
Free Ranging

Many species of primates are considered seasonal breeders, but the set of factors, such as food availability, day length and temperature, that influence the timing of reproductive events for both wild and captive individuals remains unclear. Here, we examine the role of factors in shaping breeding patterns inRhinopithecus roxellana, a temperate colobine primate. We used circular statistics to describe and compare the patterns of reproductive seasonality among individuals in 13 captive groups and two free ranging but provisioned groups at various locations throughout China. Almost 90% of births occurred in March, April and May in adult females residing in both free ranging (n = 131) and captive groups (n = 407). Births occurred principally in 2–4 months prior to the peak of food availability, while conceptions occurred in 1–2 months after the peak of food availability in free ranging but provisioned groups. Day length (latitude) had a significant effect on the timing of reproduction. However, females that experienced a wide variation of temperature between the lowest and highest monthly average temperature had a later conception date. These results support that day length and temperature might be factor influencing the timing of reproductive activity.

scholarly journals Vocal repertoire of free-ranging adult golden snub-nosed monkeys (Rhinopithecus roxellana )

2018 ◽  
Vol 80 (6) ◽  
pp. e22869 ◽  
Author(s):  
Penglai Fan ◽  
Xuecong Liu ◽  
Ruoshuang Liu ◽  
Fang Li ◽  
Tianpeng Huang ◽  
...  
Keyword(s):  
Vocal Repertoire ◽  
Rhinopithecus Roxellana ◽  
Free Ranging

Investigation of duck plague virus in hoar areas of Bangladesh

2020 ◽  
Vol 26 (1-2) ◽  
pp. 73-78
Author(s):  
A Hossen ◽  
MH Rahman ◽  
MZ Ali ◽  
MA Yousuf ◽  
MZ Hassan ◽  
...  
Keyword(s):  
Cytopathic Effect ◽  
Clinical Sample ◽  
Chorioallantoic Membrane ◽  
Clinical Samples ◽  
Isolation And Identification ◽  
Duck Plague Virus ◽  
Pcr Method ◽  
Polymerase Chain ◽  
The Individual ◽  
Free Ranging

Duck plague (DP) is the most important infectious disease of geese, ducks and free-ranging water birds. The present study was conducted to determine the prevalence of duck plague virus followed by isolation and identification. For these purposes, a total of 155 cloacal swabs samples were collected randomly from duck of different haor areas of Bangladesh including 45 (41 surveillance and 4 clinical) samples from Netrokona; 42 (40 surveillance and 2 clinical) samples from Kishoregonj; 30 samples from Brahmanbaria and 38 samples from Sunamganj. The samples were processed and pooled (1:5 ratio) for initial screening of target polymerase gene of duck plague virus by polymerase chain reaction (PCR) method. All the samples of a positive pool were then tested individually for identifying the individual positive samples. The result showed that out of 155 samples, 41 (26.45%) were found positive in which 17 were from Netrokona, where 15 (36.58%) were from surveillance samples and 2 (50%) were from clinical sample; 16 were from Kishoregonj, where 14 (35%) were from surveillance samples and 2 (100%) were from clinical sample; 2 (6.6%) were from Brahmanbaria and 5 (13.15%) were from Sunamganj. These positive samples were inoculated into 9-10 days embryonated duck eggs (EDE) through chorioallantoic membrane (CAM) route for the isolation of virus. The EDE died earlier was also chilled, and in a similar way, the CAMs were collected and again performed PCR for id entification of virus. Out of 41 PCR positive samples, 26 samples were isolated and reconfirmed by PCR. Subsequently, DPV was isolated in primary duck embryo fibroblasts cell culture and confirmed by observing cytopathic effect (CPE). Bang. J. Livs. Res. Vol. 26 (1&2), 2019: P. 73-78

Clinical signs in free-ranging Guiana dolphins Sotalia guianensis during a morbillivirus epidemic: case study in Sepetiba Bay, Brazil

2019 ◽  
Vol 133 (3) ◽  
pp. 175-180 ◽  
Author(s):  
L Flach ◽  
MB Alonso ◽  
T Marinho ◽  
K Van Waerebeek ◽  
MF Van Bressem
Keyword(s):  
Clinical Signs ◽  
Sepetiba Bay ◽  
Sotalia Guianensis ◽  
Free Ranging
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