Profile image
Story Views

Now:
Last Hour:
Last 24 Hours:
Total:

SICB 2017: Can We Measure Heart Rates of Anole Embryos?

Monday, January 9, 2017 20:05
% of readers think this story is Fact. Add your two cents.

(Before It's News)

image1

Above: Dani Douglas presenting on her research on measuring heart rates of brown anole eggs at the annual Society for Integrative and Comparative Biology Meeting in New Orleans, Louisiana.

Heart rate can tell us a lot about how an animal’s physiology is influenced by environmental conditions. Even embryos can provide valuable heart rate information. Scientists have used the Buddy® system, a digital egg heart rate monitor, to measure heart rate in large eggs, such as those from chickens or iguanas. But can the Buddy® system detect heart rate measurements from much smaller eggs?

Dani Douglas, an undergraduate student at Auburn University, took heart rate measurements from brown anole (Anolis sagrei) eggs using the Buddy® system.

Compared to a chicken egg, a brown anole egg is tiny – smaller than a quarter. Douglas kept the anole eggs in an incubator that varied temperature over the course of each day. At different points during the day, Douglas removed eggs from the incubator to measure heart rate with the Buddy®.

Douglas was elated to find that the Buddy® system could reliably measure heart rate in those small anole eggs. This finding is especially exciting because the Buddy® system is non-invasive, so scientists can measure heart rate over the development of the eggs.

Douglas also found that anole egg heart rates were positively correlated with temperature fluctuation. Anole egg heart rate was not related to the age of the egg.

All research comes with its own set of challenges. When each anole egg is removed from the incubator, its temperature begins to go down immediately. Douglas needed to measure heart rate quickly to avoid confounding effects of cooling, which can be tricky.

Challenges aside, it is promising that Douglas and her colleagues have confirmed that heart rate can be measured in tiny anole eggs.



Source: http://www.anoleannals.org/2017/01/09/sicb-2017-can-we-measure-heart-rates-of-anole-embryos/

Report abuse

Comments

Your Comments
Question   Razz  Sad   Evil  Exclaim  Smile  Redface  Biggrin  Surprised  Eek   Confused   Cool  LOL   Mad   Twisted  Rolleyes   Wink  Idea  Arrow  Neutral  Cry   Mr. Green

Top Stories
Recent Stories
 

Featured

 

Top Global

 

Top Alternative

Register

Newsletter

Email this story
Email this story

If you really want to ban this commenter, please write down the reason:

If you really want to disable all recommended stories, click on OK button. After that, you will be redirect to your options page.