Oh HK, Sakai T, Jones MB, Longhurst WM Applied microbiology, 1967 ABSTRACT: The effects of essential oils isolated from Douglas fir needles on sheep and deer rumen microbial activity were tested by use of an anaerobic manometric technique. Rumen microorganisms were obtained from a sheep which had been fed mainly on alfalfa hay and dried… Read more »
Antimicrobial Activity of some Pacific Northwest Woods against Anaerobic Bacteria and Yeast
Johnston WH, Karchesy JJ, Constantine GH, Craig AM
Phytotherapy Research:PTR, 2001
Chemical composition and antifungal activity of the essential oil of Douglas fir (Pseudosuga menziesii Mirb. Franco) from Serbia
Tesevic V, Milosavljevic S, Vajs V, DordevicI, Sokovic M, Lavadinovic V, Novakovic M
Journal of the Serbian Chemical Society, 2009
Biology and chemistry of conifer oils
Kubeczka KH, Schultze W
Flavour and Fragrance Journal, 1987