On dairy herd culling, productive age and life-time productivity of cows
2003
Jaerv, P. (Estonian Agricultural Univ., Tartu (Estonia). Inst. of Animal Science) | Suurmaa, A. | Kaart, T.
The aim of present research was to study the following: (1) number of culled cows from herds and reasons for culling as well as turnover of herd; (2) growth intensity, weight and age at first calving as well as calving interval; (3) productive age of cows and lifetime productivity (milk yield) of cows.
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Библиографическая информация
Издатель
[Ministry of Agriculture]
Нумерация страниц
p. 41-45
Другие темы
Donnée statistique
Язык
Английский
Примечание
Table; 7 ref.
ISBN Международный стандартный книжный номер
9984-596-65-6
Тип
Conference
Источник
Proceedings of the 9th Baltic Animal Breeding Conference, Spruzs, J. (Latvia Univ. of Agriculture, Jelgava (Latvia)) (ed.-in-chief).- Sigulda (Latvia): [Ministry of Agriculture], 2003.- ISBN 9984-596-65-6. 140 p.
Конференция
9. Baltic Animal Breeding Conference, Sigulda (Latvia), 29-30 May 2003
2004-08-15
AGRIS AP
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