Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus
Samples of Ptarmigan eggs were hatched in captivity. They had been taken from ground adjacent to study areas where the wild birds' breeding success by early August, and their food plants, were measured. Almost all deaths of chicks in captivity occurred within a few days of hatching and examinat...
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1984
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Online Access: | http://dx.doi.org/10.1111/j.1474-919x.1984.tb08000.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1474-919X.1984.tb08000.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1474-919X.1984.tb08000.x |
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crwiley:10.1111/j.1474-919x.1984.tb08000.x 2024-06-02T08:10:01+00:00 Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus Moss, R. Watson, A. 1984 http://dx.doi.org/10.1111/j.1474-919x.1984.tb08000.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1474-919X.1984.tb08000.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1474-919X.1984.tb08000.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Ibis volume 126, issue 2, page 212-220 ISSN 0019-1019 1474-919X journal-article 1984 crwiley https://doi.org/10.1111/j.1474-919x.1984.tb08000.x 2024-05-03T11:26:19Z Samples of Ptarmigan eggs were hatched in captivity. They had been taken from ground adjacent to study areas where the wild birds' breeding success by early August, and their food plants, were measured. Almost all deaths of chicks in captivity occurred within a few days of hatching and examination postmortem showed no specific cause. The proportion of chicks which died in captivity before 15 days of age varied markedly between years and study areas. These variations occurred in parallel with variations in breeding success in the wild populations from which the eggs had been taken. It was concluded that the survival of chicks both in captivity and in the wild was determined in part before the eggs hatched. Variations in breeding success from year to year were correlated with the number of days that the food plants had been growing before the hens finished laying. Breeding success in the wild and chick survival in captivity were better for a ‘rich’ area overlying some base‐rich rocks than for a ‘poor’ one overlying granite and with less blaeberry. It was inferred that, as in Red Grouse, maternal nutrition affected breeding success through the quality of the eggs. Article in Journal/Newspaper Lagopus mutus Wiley Online Library Ibis 126 2 212 220 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Samples of Ptarmigan eggs were hatched in captivity. They had been taken from ground adjacent to study areas where the wild birds' breeding success by early August, and their food plants, were measured. Almost all deaths of chicks in captivity occurred within a few days of hatching and examination postmortem showed no specific cause. The proportion of chicks which died in captivity before 15 days of age varied markedly between years and study areas. These variations occurred in parallel with variations in breeding success in the wild populations from which the eggs had been taken. It was concluded that the survival of chicks both in captivity and in the wild was determined in part before the eggs hatched. Variations in breeding success from year to year were correlated with the number of days that the food plants had been growing before the hens finished laying. Breeding success in the wild and chick survival in captivity were better for a ‘rich’ area overlying some base‐rich rocks than for a ‘poor’ one overlying granite and with less blaeberry. It was inferred that, as in Red Grouse, maternal nutrition affected breeding success through the quality of the eggs. |
format |
Article in Journal/Newspaper |
author |
Moss, R. Watson, A. |
spellingShingle |
Moss, R. Watson, A. Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
author_facet |
Moss, R. Watson, A. |
author_sort |
Moss, R. |
title |
Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
title_short |
Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
title_full |
Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
title_fullStr |
Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
title_full_unstemmed |
Maternal nutrition, egg quality and breeding success of Scottish Ptarmigan Lagopus mutus |
title_sort |
maternal nutrition, egg quality and breeding success of scottish ptarmigan lagopus mutus |
publisher |
Wiley |
publishDate |
1984 |
url |
http://dx.doi.org/10.1111/j.1474-919x.1984.tb08000.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1474-919X.1984.tb08000.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1474-919X.1984.tb08000.x |
genre |
Lagopus mutus |
genre_facet |
Lagopus mutus |
op_source |
Ibis volume 126, issue 2, page 212-220 ISSN 0019-1019 1474-919X |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1474-919x.1984.tb08000.x |
container_title |
Ibis |
container_volume |
126 |
container_issue |
2 |
container_start_page |
212 |
op_container_end_page |
220 |
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1800755808272646144 |