Effect of testosterone on antler growth in yearling male reindeer
1. The effect of exogenous testosterone on ander growth in yearling male reindeer (Rangifer tarandus tarandus) was tested. 2. Testosterone (33 mg/kg) inhibited antler growth, and in one animal induced cleaning and subsequent casting of the antlers. This animal grew a new set of antlers, which were c...
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Septentrio Academic Publishing
1983
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ftdoajarticles:oai:doaj.org/article:9eb5da564e1246fb8adb231571383ddb 2023-05-15T18:04:02+02:00 Effect of testosterone on antler growth in yearling male reindeer Morten Ryg 1983-05-01T00:00:00Z https://doi.org/10.7557/2.3.2.475 https://doaj.org/article/9eb5da564e1246fb8adb231571383ddb EN eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/475 https://doaj.org/toc/1890-6729 doi:10.7557/2.3.2.475 1890-6729 https://doaj.org/article/9eb5da564e1246fb8adb231571383ddb Rangifer, Vol 3, Iss 2 (1983) testosterone reindeer antler growth Animal culture SF1-1100 article 1983 ftdoajarticles https://doi.org/10.7557/2.3.2.475 2022-12-31T04:33:49Z 1. The effect of exogenous testosterone on ander growth in yearling male reindeer (Rangifer tarandus tarandus) was tested. 2. Testosterone (33 mg/kg) inhibited antler growth, and in one animal induced cleaning and subsequent casting of the antlers. This animal grew a new set of antlers, which were cleaned at the normal time. 3. During treatment, there was an inverse relationship between peak testosterone levels and antler growth rate. 4. There was no effect of treatment on body weight or food intake. 5. It is concluded that the effects of testosterone on antler growth are qualitatively the same in reindeer as in other deer. However, because high testosterone doses were necessary to produce effects, it is questionable whether this hormone normally is responsible for the cessation of antler growth in reindeer. Virkningen av testosteron på gevirvekst hos ettårige reinbukker. Abstract in Norwegian / Sammendrag: 1. Virkningen av testosteron på gevirvekst hos ett-årige reinbukker (Rangifer tarandus tarandus) ble undersøkt. 2. Testosteron (33 mg/kg) hemmet gevirveksten, og hos ett dyr førte behandlingen til at geviret ble feiet og deretter felt. Deretter vokste det ut ett nytt gevir, som ble feiet til vanlig tid. 3. Det var en negativ korrelasjon mellom maksimale testosteronnivåer og gevirvekst under behandlingen. 4. Det var ingen effekt på forinntak eller vektutvikling. 5. Det blir konkludert med at virkningen av testosteron på gevirvekst er kvalitativt den samme hos rein som hos andre hjortedyr. Det er likevel tvilsomt om testosteron normalt er ansvarlig for avslutningen av gevirvekst hos rein, fordi store testosterondoser måtte til for å få noen virkning. Testosteronin vaikutus vuodenikåisten urosporojen sarvien kasvuun. Abstract in Finnish / Tiivistelmä: 1. Tutkimuksessa seurattiin ruiskeena annetun testosteronin vaikutusta vuodenikåisten urosporojen (Rangifer tarandus tarandus) sarvien kasvuun. 2. Testosteron! (33 mg/kg) hidasti sarvien kasvua, aiheuttaen yhdesså elåimesså sarvien kelomisen ja pudottamisen. Talle ... Article in Journal/Newspaper Rangifer Rangifer tarandus Directory of Open Access Journals: DOAJ Articles Rangifer 3 2 6 |
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testosterone reindeer antler growth Animal culture SF1-1100 |
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testosterone reindeer antler growth Animal culture SF1-1100 Morten Ryg Effect of testosterone on antler growth in yearling male reindeer |
topic_facet |
testosterone reindeer antler growth Animal culture SF1-1100 |
description |
1. The effect of exogenous testosterone on ander growth in yearling male reindeer (Rangifer tarandus tarandus) was tested. 2. Testosterone (33 mg/kg) inhibited antler growth, and in one animal induced cleaning and subsequent casting of the antlers. This animal grew a new set of antlers, which were cleaned at the normal time. 3. During treatment, there was an inverse relationship between peak testosterone levels and antler growth rate. 4. There was no effect of treatment on body weight or food intake. 5. It is concluded that the effects of testosterone on antler growth are qualitatively the same in reindeer as in other deer. However, because high testosterone doses were necessary to produce effects, it is questionable whether this hormone normally is responsible for the cessation of antler growth in reindeer. Virkningen av testosteron på gevirvekst hos ettårige reinbukker. Abstract in Norwegian / Sammendrag: 1. Virkningen av testosteron på gevirvekst hos ett-årige reinbukker (Rangifer tarandus tarandus) ble undersøkt. 2. Testosteron (33 mg/kg) hemmet gevirveksten, og hos ett dyr førte behandlingen til at geviret ble feiet og deretter felt. Deretter vokste det ut ett nytt gevir, som ble feiet til vanlig tid. 3. Det var en negativ korrelasjon mellom maksimale testosteronnivåer og gevirvekst under behandlingen. 4. Det var ingen effekt på forinntak eller vektutvikling. 5. Det blir konkludert med at virkningen av testosteron på gevirvekst er kvalitativt den samme hos rein som hos andre hjortedyr. Det er likevel tvilsomt om testosteron normalt er ansvarlig for avslutningen av gevirvekst hos rein, fordi store testosterondoser måtte til for å få noen virkning. Testosteronin vaikutus vuodenikåisten urosporojen sarvien kasvuun. Abstract in Finnish / Tiivistelmä: 1. Tutkimuksessa seurattiin ruiskeena annetun testosteronin vaikutusta vuodenikåisten urosporojen (Rangifer tarandus tarandus) sarvien kasvuun. 2. Testosteron! (33 mg/kg) hidasti sarvien kasvua, aiheuttaen yhdesså elåimesså sarvien kelomisen ja pudottamisen. Talle ... |
format |
Article in Journal/Newspaper |
author |
Morten Ryg |
author_facet |
Morten Ryg |
author_sort |
Morten Ryg |
title |
Effect of testosterone on antler growth in yearling male reindeer |
title_short |
Effect of testosterone on antler growth in yearling male reindeer |
title_full |
Effect of testosterone on antler growth in yearling male reindeer |
title_fullStr |
Effect of testosterone on antler growth in yearling male reindeer |
title_full_unstemmed |
Effect of testosterone on antler growth in yearling male reindeer |
title_sort |
effect of testosterone on antler growth in yearling male reindeer |
publisher |
Septentrio Academic Publishing |
publishDate |
1983 |
url |
https://doi.org/10.7557/2.3.2.475 https://doaj.org/article/9eb5da564e1246fb8adb231571383ddb |
genre |
Rangifer Rangifer tarandus |
genre_facet |
Rangifer Rangifer tarandus |
op_source |
Rangifer, Vol 3, Iss 2 (1983) |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/475 https://doaj.org/toc/1890-6729 doi:10.7557/2.3.2.475 1890-6729 https://doaj.org/article/9eb5da564e1246fb8adb231571383ddb |
op_doi |
https://doi.org/10.7557/2.3.2.475 |
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3 |
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2 |
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