Zobrazeno 1 - 10 of 128 pro vyhledávání: '"H. Volden"'
1
Akademický článek
Feeding of palm oil fatty acids or rapeseed oil throughout lactation: Effects on mammary gene expression and milk production in Norwegian dairy goats
Autor: L. Bernard, Y. Chilliard, K. Hove, H. Volden, R.A. Inglingstad, M. Eknæs
Publikováno v: Journal of Dairy Science, Vol 105, Iss 11, Pp 8792-8805 (2022)
ABSTRACT: Lipid added as rapeseed or palm oil to the diet of dairy goats over 8 mo of one lactation alters fat secretion and milk fatty acid (FA) and protein composition. In this study, we examined the contribution of mammary gene expression to these
Externí odkaz: https://doaj.org/article/974c2a3954924bbd8fd8480fef51f91c
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2
Akademický článek
High-digestible silages allow low concentrate supply without affecting milk production or methane emissions
Autor: C. Álvarez, N.I. Nielsen, M.R. Weisbjerg, H. Volden, M. Eknæs, E. Prestløkken
Publikováno v: Journal of Dairy Science, Vol 105, Iss 4, Pp 3633-3647 (2022)
ABSTRACT: In this study, we tested a response function comprising responses in milk to changes in organic matter digestibility of silages and concentrate supply. We studied the effect of changes in silage digestibility and concentrate supply on milk
Externí odkaz: https://doaj.org/article/615993b6688c435087cf858a0020f33d
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3
Akademický článek
Post-ruminal or intravenous infusions of carbohydrates or amino acids to dairy cows 2. Late lactation
Autor: I. Schei, A. Danfær, L.T. Mydland, H. Volden
Publikováno v: Animal, Vol 1, Iss 4, Pp 515-522 (2007)
The objectives of this study were to compare the effects of post-ruminal and intravenous infusions of wheat starch or glucose (CHO) or a mixture of amino acids (AA) on milk protein yield, nitrogen (N) utilisation, plasma metabolites and mammary extra
Externí odkaz: https://doaj.org/article/8a53d8ebfe294d339ff6908ea3deef77
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4
Akademický článek
Post-ruminal or intravenous infusions of carbohydrates or amino acids to dairy cows 1. Early lactation
Autor: I. Schei, A. Danfær, I.A. Boman, H. Volden
Publikováno v: Animal, Vol 1, Iss 4, Pp 501-514 (2007)
The objectives of this study were to compare the effects of post-ruminal and intravenous infusions of wheat starch or glucose (CHO) or a mixture of amino acids (AA) on milk protein yield, nitrogen utilisation, plasma metabolites and mammary extractio
Externí odkaz: https://doaj.org/article/e6212fa8a1a345d58eddf1988877e370
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5
A static model for estimating energy content of compound feeds in a dynamic feed evaluation system
Autor: H. Volden, E. Prestl⊘kken, C. Álvarez, N. I. Nielsen, Martin Riis Weisbjerg
Publikováno v: Journal of Dairy Science (JDS)
Álvarez, C, Nielsen, N I, Weisbjerg, M R, Volden, H & Prestl⊘kken, E 2021, ' A static model for estimating energy content of compound feeds in a dynamic feed evaluation system ', Journal of Dairy Science, vol. 104, no. 8, pp. 9362-9375 . https://doi.org/10.3168/jds.2020-19816
The objective of the study was to develop a static empirical model for the estimation of net energy content of compound feeds in a dynamic feeding system using net energy for lactation at 20 kg of dry matter intake/d (NEL20) values calculated by the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bf3ee916dda8ef344e71ecc3e5c9641
https://doi.org/10.3168/jds.2020-19816
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6
High-digestible silages allow low concentrate supply without affecting milk production or methane emissions
Autor: C. Álvarez, N.I. Nielsen, M.R. Weisbjerg, H. Volden, M. Eknæs, E. Prestløkken
Publikováno v: Álvarez, C, Nielsen, N I, Weisbjerg, M R, Volden, H, Eknæs, M & Prestløkken, E 2022, ' High-digestible silages allow low concentrate supply without affecting milk production or methane emissions ', Journal of Dairy Science, vol. 105, no. 4, pp. 3633-3647 . https://doi.org/10.3168/jds.2021-21479
Journal of Dairy Science (JDS)
In this study, we tested a response function comprising responses in milk to changes in organic matter digestibility of silages and concentrate supply. We studied the effect of changes in silage digestibility and concentrate supply on milk yield, fee
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c0766a9c72843404d4c66d273dc7c74
https://pubmed.ncbi.nlm.nih.gov/35151479
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7
Designing a replacement heifer rearing strategy: Effects of growth profile on performance of Norwegian Red heifers and cows
Autor: Gunnar Klemetsdal, E. Prestl⊘kken, H.K.L. Wærp, Ragnar Salte, Jon Kristian Sommerseth, K.S. Storli, H. Volden
Publikováno v: Journal of dairy science. 103(11)
The primary objective of this study was to design a growth profile from 3 mo through puberty to insemination that allows heifers to enter the milking herd at 22 mo of age without impairing milk production over 3 lactations compared with the current r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1cf9c3e00dc3ad1b1148dcac7595ca7
https://pubmed.ncbi.nlm.nih.gov/32981729
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8
Precision and additivity of organic matter digestibility obtained via in vitro multi-enzymatic method
Autor: C. Álvarez, Egil Prestløkken, Martin Riis Weisbjerg, Gunnar Klemetsdal, H. Volden, N. I. Nielsen
Publikováno v: Álvarez, C, Prestløkken, E, Nielsen, N I, Volden, H, Klemetsdal, G & Weisbjerg, M R 2020, ' Precision and additivity of organic matter digestibility obtained via in vitro multi-enzymatic method ', Journal of Dairy Science, vol. 103, no. 5, pp. 4880-4891 . https://doi.org/10.3168/jds.2019-17778
Journal of Dairy Science (JDS)
The enzymatic digestibility of organic matter (EDOM) method is an in vitro multi-enzymatic method for estimating the organic matter (OM) digestibility of feeds. The EDOM method previously showed high accuracy with in vivo values for compound feeds. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8317ce8729032b874d0f217be29de221
https://pure.au.dk/ws/files/220127891/1_s2.0_S0022030220301788_main.pdf
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9
The relationship between Norwegian Red heifer growth and their first-lactation test-day milk yield: A field study
Autor: Ragnar Salte, Kristin S. Storli, Gunnar Klemetsdal, H. Volden
Publikováno v: Journal of Dairy Science
Today's Norwegian Red (NR) is markedly different from the one that existed 25 yr ago due to the continuous genetic improvement of economically important traits. Still, current national recommendations on replacement heifer rearing largely are based o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f6501267951859a98313431f7a61410
https://hdl.handle.net/11250/2478201
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10
Feeding of palm oil fatty acids or rapeseed oil throughout lactation: Effects on energy status, body composition, and milk production in Norwegian dairy goats
Autor: Knut Hove, H. Volden, Laurence Bernard, R.A. Inglingstad, Yves Chilliard, M. Eknæs
Publikováno v: Journal of Dairy Science
Journal of Dairy Science, American Dairy Science Association, 2017, 100 (9), pp.7588-7601. 〈10.3168/jds.2017-12768〉
Journal of Dairy Science, American Dairy Science Association, 2017, 100 (9), pp.7588-7601. ⟨10.3168/jds.2017-12768⟩
The objective of this experiment was to examine how supplements of rapeseed oil or palm oil fatty acids would affect milk production and composition, body lipid stores, and energy balance in 30 multiparous goats of Norwegian dairy goat breed. The exp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d74c9b7ad2db9943dbe4d58a8c02dc07
https://hal.archives-ouvertes.fr/hal-01604614
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