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Effects of an odor or taste stimulus applied to an artificial teat on the suckling behavior of newborn dairy calves
Linköping University, Department of Physics, Chemistry and Biology, Biology.
2017 (English)Independent thesis Advanced level (degree of Master (Two Years)), 40 credits / 60 HE creditsStudent thesis
Abstract [en]

In their first days of life, dairy calves in artificial rearing systems often have difficulty using an artificial teat for feeding. I examined the age at which calves are able to stand up and suckle without lifting assistance, as well as their suckling behavior when presented with a plain dry teat versus a dry teat modified with a presumably attractive odor or taste substance. Single-housed newborn dairy calves (n = 51) were presented for ten consecutive days with a two-minute two-choice test, in which suckling time was recorded for 1) a plain (control) teat vs. a glucose-coated teat (taste test) and 2) a plain teat vs. a teat with a "Freshly Cut Grass" odor (odor test). On average, the calves were able to suckle without lifting assistance from the second or third day of age on. The "Freshly Cut Grass" odor had no significant effect on their suckling behavior. The calves showed a significant preference for suckling the glucose-coated teat and displayed a significantly longer total suckling time in the taste test compared to the odor test. There were no significant differences between sexes regarding suckling preference. The results of the present study show that glucose had a significant effect on the calves' teat preference and significantly increased total suckling time with a dry artificial teat. As such, glucose may increase suckling motivation in non-efficient drinkers or ill calves with low motivation to suckle.

Place, publisher, year, edition, pages
2017. , 32 p.
Keyword [en]
Artificial teat, dairy calves, glucose, non-nutritive suckling, olfactory stimuli, suckling behavior, suckling motivation, suckling preference, taste stimuli
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:liu:diva-137706ISRN: LITH - IFM -A -EX - 17 / 3355- SEOAI: oai:DiVA.org:liu-137706DiVA: diva2:1098748
Subject / course
Biology
Supervisors
Examiners
Available from: 2017-05-29 Created: 2017-05-26 Last updated: 2017-05-29Bibliographically approved

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Maria Malidaki MSc Thesis(888 kB)12 downloads
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CiteExportLink to record
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