Some Yield and Growth Traits of Anatolian Buffaloes and the Effects of First Calving Age and Calving Interval on These Traits

Autor: Ahmet Akyol, Hüseyin Erdem

Publikováno v: Turkish Journal of Agriculture: Food Science and Technology, Vol 12, Iss 10, Pp 1659-1667 (2024)

Numerous in-depth studies have described the fertility traits, growth performance and milk yield traits of dairy animals, which are considered indicators of welfare, but there are limited studies examining these traits within the framework of cause-e

Externí odkaz: https://doaj.org/article/1ac1d3ca565a40a5bcc9140f7d55b89e

Association of age at first calving with longevity, milk yield, and fertility up to the third lactation in a herd of Holstein dairy cows in Japan

Autor: Hiromi KUSAKA, Takeshi YAMAZAKI, Minoru SAKAGUCHI

Publikováno v: The Journal of Reproduction and Development, Vol 69, Iss 6, Pp 291-297 (2023)

Accelerating age at first calving (AFC) is a strategy for sustainable dairy farming, whereas the impact of a reduction in AFC on long-term performance remains unclear. In this study, longevity and milk productivity until the end of the third lactatio

Externí odkaz: https://doaj.org/article/531694d16073480eac4b2e93b30dcb15

Métodos de reproducción y parámetros reproductivos de cebuínos con registro genealógico en Costa Rica

Autor: Marilyn Vásquez Loaiza, Roger Molina Coto

Publikováno v: Agronomía Mesoamericana, Vol 32, Iss 1 (2021)
Agronomía Mesoamericana, Volume: 32, Issue: 1, Pages: 19-33, Published: APR 2021

Resumen Introducción. En Costa Rica, la población de ganado con registro genealógico de la Asociación de Criadores de Ganado Cebú (ASOCEBÚ), no contaba con una caracterización reproductiva ni con parámetros como edad al primer parto (EPP) o i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63378ee976c7eaada6023c1269feb511
https://doi.org/10.15517/am.v32i1.40130

Métodos de reproducción y parámetros reproductivos de cebuínos con registro genealógico en Costa Rica

Autor: Vásquez Loaiza, Marilyn, Molina Coto, Roger

Publikováno v: Agronomía Mesoamericana; Agronomía Mesoamericana: Vol. 32, Issue 1 (January-April); 19-33
Agronomía Mesoamericana; Agronomía Mesoamericana: Vol. 32, Nº 1 (enero-abril); 19-33
Portal de Revistas UCR
Universidad de Costa Rica
instacron:UCR

Introduction.In Costa Rica, the population of cattle with a genealogical record of the Association of Breeders of Zebu Cattle (ASOCEBU), did not have a reproductive characterization or parameters such as age at first calving (EPP) or calving interval

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::d397fa80c651cf4dc9fa86572d63b6a6
https://revistas.ucr.ac.cr/index.php/agromeso/article/view/40130

Ekonomické vyhodnocení reprodukce u populace masného plemene Aberdeen Angus

Autor: JUNGWIRTH, Václav

The aim of the thesis was to evaluate the influence of reproductive indicators on the economy of cows depending on the 1st calving of heifers. In the set of cows were comapred the costs of heifers rearing up to 1st calving, longevity costs, sales and

Externí odkaz: http://www.nusl.cz/ntk/nusl-395281