New research: Dogs get teary eyed when reunited with owners | Explained News,The Indian Express

New research, published in the journal Current Biology, suggests that dogs can also cry happy tears when they meet their owners.

Thursday, Aug 25, 2022

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		HomeExplainedNew research: Dogs get teary eyed when reunited with owners		

							
													New research: Dogs get teary eyed when reunited with owners
													
														New research, published in the journal Current Biology, suggests that dogs can also cry happy tears when they meet their owners.
															
					
											
						
														
								
									
										
											
																									
													
														By: Express News Service		
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	New Delhi | August 25, 2022 8:15:22 am														
													
															
													
												
												


		
		
			
				
			
		
		
			
				
			
		
		
			
				
			
		
	

											
											
														
														
														
													This welling-up of the eyes is attributed to the “bonding hormone” oxytocin. (File Photo)A wagging tail, soft and relaxed eyes, slurpy licks, and a body wiggle to show the belly may be some telltale signs of a happy dog. But now new research, published in the journal Current Biology, suggests that dogs can also cry happy tears when they meet their owners.

“Tear volume (in dogs) increased significantly during reunion with the owner, but not with a familiar non-owner,” the researchers said.

The research team used the Schirmer Tear Test (STT), which reveals the amount of watery tear production in each eye, to arrive at their results.

First tear volume of 18 dogs was measured using the STT in their normal home environment with the owner. The same test was conducted on dogs within the first five minutes of their owners after a separation of five to seven hours. Tear volume for reunion with familiar non-owners was also measured.

“Following separation from the owner in the dogs’ day care centres, dogs secreted larger tear volumes during reunions with their owners than with familiar non-owners, and tear volume during reunion with the owner was significantly greater than the baseline tear volume,” the study noted.

https://indianexpress.com/article/explained/dog-tears-cry-reunited-with-owners-study-8110293/

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