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Relationship between placental surface area and fetal growth rate in artiodactyls and perissodactyls


Klisch, Karl; Carisch, Lea; Clauss, Marcus (2017). Relationship between placental surface area and fetal growth rate in artiodactyls and perissodactyls. Mammalia, 81(4):411-413.

Abstract

Gestation periods in mammals are generally in line with scaling laws. There are several exceptions in which species of relatively similar size and degree of neonatal maturation show a significant difference in gestation length. For example the giraffids have a very long gestation period, compared to bovids of similar size. By using published data about the placental surface area at term, we show that in ungulates this surface area is more tightly correlated to the average fetal growth rate than to fetal and placenta weight. These data suggest that, within one type of placenta, gestation length and placental surface area are associated parameters.

Abstract

Gestation periods in mammals are generally in line with scaling laws. There are several exceptions in which species of relatively similar size and degree of neonatal maturation show a significant difference in gestation length. For example the giraffids have a very long gestation period, compared to bovids of similar size. By using published data about the placental surface area at term, we show that in ungulates this surface area is more tightly correlated to the average fetal growth rate than to fetal and placenta weight. These data suggest that, within one type of placenta, gestation length and placental surface area are associated parameters.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Anatomy
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2 July 2017
Deposited On:09 Feb 2017 14:07
Last Modified:28 May 2018 04:49
Publisher:Walter de Gruyter GmbH
ISSN:0025-1461
OA Status:Green
Publisher DOI:https://doi.org/10.1515/mammalia-2016-0032

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