Navigation Links
Monkeys stressed from longer foraging times
Date:1/22/2013

a rainforest, many leaves are difficult to digest and can be filled with toxins - a natural defence mechanism in most trees and plants - so the monkeys are actually forced to spend more time seeking out the right foliage to eat, such as new shoots which are generally less toxic.

"The traditional view was that the leaves exploited by howler monkeys were an abundant food source - but this is not the case," said Dunn.

"The monkeys rely much more heavily on fruit than previously believed, and when turning to foliage for food - as they are increasingly forced to do they have to be highly selective in the leaves they consume, visiting lots of different trees. This leads to the increased 'travel time' and consequent high levels of stress we are seeing in these primates as their habitats disintegrate."

As trying to catch the howlers to examine them would in itself be highly stressful for the animal, the best way of evaluating stress levels in wild primates is by analysing their faeces for glucocorticoid stress hormones, which are general to all vertebrates.

Through statistical modelling, the researchers were able to determine that it is the 'travel time' - rather than the increased foliage intake - causing high levels of stress.

"Monkeys in disturbed habitats suffering high levels of stress is in itself unsurprising perhaps, but now we think we know why, the root cause from the primates perspective. Our results also highlight the importance of preserving and planting fruit trees - particularly those species such as figs that can produce fruit during periods of general fruit scarcity - for the conservation of howler monkeys said Dr Jurgi Cristbal-Azkarate, also from Cambridge, who led the research in collaboration with Dr Joaquim Vea from the University of Barcelona.

The authors say that further studies are required to fully understand the significance of increases in stress in howler monkeys living in disturbed habitats. "Determining the full rel
'/>"/>

Contact: Fred Lewsey
fred.lewsey@admin.cam.ac.uk
07-885-798-680
University of Cambridge
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Do monkeys know what others need?
2. The old primates club: Even male monkeys ride their fathers coattails to success
3. Monkeys put off sex by bystanders
4. Estrogenic plants linked to altered hormones, possible behavior changes in monkeys
5. Monkey business: What howler monkeys can tell us about the role of interbreeding in human evolution
6. Networking ability a family trait in monkeys
7. For young birds, getting stressed out can be a good thing
8. Southampton to help develop new crops for water-stressed environments
9. Study suggests why some animals live longer
10. Global Surgical Devices Market Growth Driven by Improving Standards of Living and Longer Life Expectancies, Research Shows
11. Pain relief with PAP injections may last 100 times longer than a traditional acupuncture treatment
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Monkeys stressed from longer foraging times
(Date:5/28/2015)... , May 28, 2015 Industry ... of a new report titled "Markets for Self-Healing ... polymers, inorganic capsule and vascular systems, biomaterials, relevant ... grow to around $2.7 billion by 2020. ... n-tech,s extensive coverage of smart materials. Other recent n-tech ...
(Date:5/22/2015)... , May 22, 2015 According ... by Solution (2D, 3D, Thermal, Emotion, Forensic), by Software (Middleware, ... (Government and Utilities, Consumer and Home) - Global Forecast ... grow from $2.77 Billion in 2015 to $6.19 Billion ... Browse 79 market data Tables and   43 ...
(Date:5/19/2015)... 18, 2015 Fingerprint Cards (FPC) has ... FPC1145, FPC1155 and FPC1035 from one if its module partners. ... including Q3 2015 and the sensors will be used by ... values for 2015 hereby amount to 740 MSEK to date. ... 140 MSEK and a number of smaller orders not separately ...
Breaking Biology News(10 mins):The Market for Self-Healing Materials to Reach $2.7 Billion by 2020 Says New n-tech Research Study 2The Market for Self-Healing Materials to Reach $2.7 Billion by 2020 Says New n-tech Research Study 3Facial Recognition Market Worth $6.19 Billion by 2020 2Facial Recognition Market Worth $6.19 Billion by 2020 3Fingerprint Cards Receives Touch Fingerprint Sensor Order of SEK 230 Million and Raises Revenue Guidance for 2015 2
... resistance in bacteria may also be involved in exporting ... quorum sensing, said researchers from Baylor College of Medicine ... Proceedings of the National Academy of Sciences. , "We ... actually be similar in structure to molecules involved in ...
... bugs targeted by vaccines recently announced by the Department ... scientists from the Wellcome Trust Sanger Institute. They have ... the vaccine that will help monitor the disease and ... name Streptococcus pneumoniae) are widespread, causing non-invasive disease, such ...
... a key component of the mechanism spermatozoa use to ... undulation to the whip-cracking snap that thrusts them into ... that the researchers said could help scientists both recognize ... to thwart sperm entry into the egg. , What's ...
Cached Biology News:Drug resistance may travel same path as quorum sensing 2Outsmarting the smartie bug 2Outsmarting the smartie bug 3How sperm crack the whip 2How sperm crack the whip 3
(Date:6/3/2015)... Marktech Optoelectronics is pleased to introduce a new ... internal gain mechanism, fast time response, low dark current ... APD’s are recommended for applications that require high bandwidth, ... pre-amp noise. In addition, Marktech APD's provide higher sensitivity ... low-level light detection and short pulse detection. , ...
(Date:6/3/2015)... June 03, 2015 From smart street ... important part in enabling success in dealing with important ... technology leaders helped bring focus to the role and ... Photonics21 annual meeting last week in Brussels. ... event, held 28 and 29 May at the Hotel ...
(Date:6/2/2015)... MIAMI (PRWEB) June 02, 2015 Global ... Latin America distributor for Bioquark, Inc.’s biologic products for the ... is the latest in Global Stem Cells Group’s ambitious expansion ... region’s growing demand for access to regenerative medicine and stem ... on the development of biologics that have the ability to ...
(Date:6/2/2015)... June 02, 2015 Research and Markets( ... PharmaBiotech,s new report "Biomarkers - Technologies, Markets ... This report follows the broad definition of a ... measured and evaluated as an indicator of normal ... responses to a therapeutic intervention. Tests based on ...
Breaking Biology Technology:Marktech Introduces New Line of APDs 2Photonics21 Annual Meeting Focuses on Solutions for ‘Societal Challenges’ 2Photonics21 Annual Meeting Focuses on Solutions for ‘Societal Challenges’ 3Adimarket Named Latin American Distributor for Bioquark Biologic Products for the Regeneration and Repair of Human Organs and Tissue with Stem Cells 2Adimarket Named Latin American Distributor for Bioquark Biologic Products for the Regeneration and Repair of Human Organs and Tissue with Stem Cells 3Global Biomarkers Market Report 2015 - Technologies, Markets and Companies Analysis and Forecasts 2014-2024 2Global Biomarkers Market Report 2015 - Technologies, Markets and Companies Analysis and Forecasts 2014-2024 3
... Novo Nordisk, a,healthcare company with an 84-year history ... the appointment of Alan C. Moses, M.D. as,vice ... the,chief medical officer of Novo Nordisk Inc., the ... talent to integrate the science of discovery with,new ...
... Dx Breast Cancer Profile Represents First Molecular ... Stages of Operable Breast Cancer, ALISO VIEJO, Calif., ... premier technology and services resource for,pathologists, oncologists and the ... breast cancer test, the first molecular,test available that is ...
... Banking acted as,exclusive financial advisor to NPS Pharmaceuticals ... the terms of the agreement, NPS has licensed ... the treatment of gastrointestinal disorders., Gattex is ... of,short-bowel syndrome (SBS). SBS can result from one ...
Cached Biology Technology:Novo Nordisk Appoints Alan C. Moses as Chief Medical Officer Worldwide 2Clarient to Commercialize Novel Breast Cancer Profile 2Clarient to Commercialize Novel Breast Cancer Profile 3Clarient to Commercialize Novel Breast Cancer Profile 4Clarient to Commercialize Novel Breast Cancer Profile 5Burrill Merchant Banking Advises NPS on Phase III Licensing Agreement 2
... analysis of gene expression) technology ... Expression profiles generated by SAGE ... low-abundance transcripts making it possible ... I-SAGE Kit is designed to ...
...
Human PDGF, CF...
... The mycobacteria in Complete Freund's adjuvant attract ... site which enhances the immuneresponse. For this ... for the initial injections; Incomplete Freund's adjuvant ... (preferably in saline) are typically mixed with ...
Biology Products: