However, supplementing the alfalfa silage diet had no effect on flavor over the first 3 wk of feeding.It is apparent that the vitamin E content of milk is not the sole determinant of its oxidative stability. RESULTSThe feeds used were all low in vit E content ( Table 2) The o-tocopherol levels in blood plasma refler:ted the differences in vit E intake from the t,wo silages (Fig. 1). The average plasma content was higher (P < 0.05) when alfalfa

Effect of a-tocopherol supplementation to dairy cows on milk and plasma cv-tocopherol concentritions and bn spontaneous oxidized flavor in milk. Can

The effect of feeding o.ga"idfiy no"nO setenium ana "-io.opft.iol todairy cows on susieptibility of milk to oxidation' Can. J. Anim. Sci. 7l: [135][136][137][138][139][140][141][142][143] l'effet de deux sources de s6lenium compl6mentaire' avec ou sans ac6tate de dl-a-tocoph6rol compl6-mentaire, sur la stabilit6 i l;ixydation de leur lait' Le Se provient de Se inorganique m61ang6 b.la ration de concentr6 ou d de la luzerne pulveris6e de 20 g de Se ha-r quatre semaines avant l'ensilage. La moiti6 des vaches de chaque traiiement a regu 3000 UI jour-r d'ac6tate d-e_dl-a-tocoph6rol pendant les quatre premidres r"-uin., (p6riode l) et I'autre moiii6 a regu le tocoph6rol pendant la.deuxidme p6ri6de de'quatre r"-uin.r (peiiode 2). L'amdlioration de la saveur du lait due h la compl6mentation ir l'cv-tocoph6rol ne se rnuni'f.rt" qu'aprbs I'addition au lait de

Urea was evaluated in two experiments as a preservative of moist grass hay stored in big round bales. Three levels ofurea: 0,24 and 46 g urea kg-' forage (wet weight basis) were applied to hay at two moisture levels (23 and29%) in exp.

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