Autor: Stefańska, B. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Relationship between pH of ruminal fluid during subacute ruminal acidosis and physiological response of the Polish Holstein-Friesian dairy cows
Autorzy:: Stefańska, B.
Pruszyńska-Oszmałek, E.
Szczepankiewicz, D.
Stajek, K.
Stefański, P.
Gehrke, M.
Nowak, W.
Powiązania:: https://bibliotekanauki.pl/articles/2087914.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Źródło:: Polish Journal of Veterinary Sciences; 2017, 3; 551-558
1505-1773
Pojawia się w:: Polish Journal of Veterinary Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Dietary energy density in the dry period on the metabolic status of lactating cows
Autorzy:: Nowak, W.
Mikula, R.
Pruszynska-Oszmalek, E.
Mackowiak, P.
Stefanska, B.
Kasprowicz-Potocka, M.
Frankiewicz, A
Drzazga, K.
Powiązania:: https://bibliotekanauki.pl/articles/31038.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:: The aim of the study was to investigate the effect of different energy concentrations in the isonitrogenous diet fed during the dry period on postpartum health, fertility and blood variables. Forty Holstein multiparous cows were dried 56 days before the expected day of calving and assigned to group (M) with moderate energy concentrations of 0.69 UFL/kg DM or to the low-energy group (L) with energy density of 0.61 UFL/kg DM. From the 7d before the expected day of calving until the 21d of lactation, all the cows were fed the same fresh transition diet (0.82 UFL/kg DM). From the 22d to the 90d of lactation, all the cows received the same highest energy-density lactation diet (0.90 UFL/kg DM). During the dry period the decline of BCS in groups M and L were 0.07 and 0.12 units respectively. The average decrease of BCS from calving to 56 d of lactation were the same in both experimental groups (0.21 BCS). The first-service conception rate tended to be higher in the M group. Insulin-like growth factor-1, glucose, β-hydroxybutyric acid, non-esterified fatty acid, thyroxine serum concentrations prepartum and 3 and 5d postpartum were not significantly affected by the treatment in the dry period.
Źródło:: Polish Journal of Veterinary Sciences; 2013, 16, 4
1505-1773
Pojawia się w:: Polish Journal of Veterinary Sciences
Dostawca treści:: Biblioteka Nauki

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