Zobrazeno 1 - 10
of 126
pro vyhledávání: '"Lidauer P"'
Publikováno v:
Genetics Selection Evolution, Vol 56, Iss 1, Pp 1-10 (2024)
Abstract Background Methods for estimating variance components (VC) using restricted maximum likelihood (REML) typically require elements from the inverse of the coefficient matrix of the mixed model equations (MME). As genomic information becomes mo
Externí odkaz:
https://doaj.org/article/0986bc48e348498cb5eada06e516a113
Publikováno v:
Animal, Vol 18, Iss 5, Pp 101146- (2024)
Feed utilization efficiency is an important trait in dairy production playing a significant role in reducing feed costs and lowering methane emission. One of the metrics used to measure feed efficiency in dairy cows is residual feed intake (RFI). Thi
Externí odkaz:
https://doaj.org/article/7b94f73d31c240db9f5d9c77deed87ff
Akademický článek
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Autor:
Joel Kostensalo, Martin Lidauer, Ben Aernouts, Päivi Mäntysaari, Tuomo Kokkonen, Paula Lidauer, Terhi Mehtiö
Publikováno v:
Animal, Vol 17, Iss 9, Pp 100912- (2023)
Negative energy status in early lactation is linked to a variety of metabolic disorders, reduced fertility, and decreased milk production. To improve the energy status of cows by breeding and management, the identification of negative energy status i
Externí odkaz:
https://doaj.org/article/a6c8b919bccf4bf9b07f8cd8289c3bb8
Autor:
Hafedh Ben Zaabza, Curtis P. Van Tassell, Jeremie Vandenplas, Paul VanRaden, Zengting Liu, Herwin Eding, Stephanie McKay, Katrine Haugaard, Martin H. Lidauer, Esa A. Mäntysaari, Ismo Strandén
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 3, Pp 1518-1532 (2023)
ABSTRACT: The calculation of exact reliabilities involving the inversion of mixed model equations poses a heavy computational challenge when the system of equations is large. This has prompted the development of different approximation methods. We gi
Externí odkaz:
https://doaj.org/article/0f232815be8747e28f17efd1d7e26098
Autor:
Hongding Gao, Andrei A. Kudinov, Matti Taskinen, Timo J. Pitkänen, Martin H. Lidauer, Esa A. Mäntysaari, Ismo Strandén
Publikováno v:
Genetics Selection Evolution, Vol 55, Iss 1, Pp 1-14 (2023)
Abstract Background In this study, computationally efficient methods to approximate the reliabilities of genomic estimated breeding values (GEBV) in a single-step genomic prediction model including a residual polygenic (RPG) effect are described. In
Externí odkaz:
https://doaj.org/article/4d29456e682c488aa091ee9dd5f550ff
Akademický článek
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Estimating breeding values for feed efficiency in dairy cattle by regression on expected feed intake
Autor:
M.H. Lidauer, E. Negussie, E.A. Mäntysaari, P. Mäntysaari, S. Kajava, T. Kokkonen, A. Chegini, T. Mehtiö
Publikováno v:
Animal, Vol 17, Iss 9, Pp 100917- (2023)
The efficiency with which a dairy cow utilises feed for the various physiological and metabolic processes can be evaluated by metrics that contrast realised feed intake with expected feed intake. In this study, we presented a new metric – regressio
Externí odkaz:
https://doaj.org/article/8652e2fba79d4c108aac1156668c2002
Autor:
P. Mäntysaari, J. Juga, M.H. Lidauer, J. Häggman, T. Mehtiö, J.M. Christensen, E.A. Mäntysaari
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 8, Pp 6833-6844 (2022)
ABSTRACT: The relationships between dairy cow milk-based energy status (ES) indicators and fertility traits were studied during periods 8 to 21, 22 to 35, 36 to 49, and 50 to 63 d in milk. Commencement of luteal activity (C-LA) and interval from calv
Externí odkaz:
https://doaj.org/article/9c649d9bfece424490ea1132c0a01146
Autor:
Kairenius, P., Qin, N., Tapio, I., Mäntysaari, P., Franco, M., Lidauer, P., Stefański, T., Lidauer, M.H., Junnikkala, S., Niku, M., Kettunen, H., Rinne, M.
Publikováno v:
In Livestock Science January 2022 255