Results 1 to 10 of about 769,184 (340)

Metabolic lipid alterations in subclinical ketotic dairy cows: A multisample lipidomic approach

Journal of Dairy Science
: Subclinical ketosis (SCK) is a prevalent metabolic disorder in dairy cows during the transition period, characterized by elevated BHB levels without overt clinical symptoms.
Y.R. He, H.Y. Zhao, L.L. Li, J. Tan, Y. Wang, Y.C. Zhao, L.S. Jiang   +6 more
doaj   +1 more source

Abortion in Cows [PDF]

Scientific American, 1878
n ...
Frank, L., Gerth, J.
openaire   +1 more source

Fusing website usability and search engine optimisation

South African Journal of Information Management, 2014
Background: Most websites, especially those with a commercial orientation, need a high ranking on a search engine for one or more keywords or phrases. The search engine optimisation process attempts to achieve this. Furthermore, website users expect easy
Eugene B. Visser, Melius Weideman
doaj   +1 more source

Effects of different molecular weights of chitosan on methane production and bacterial community structure in vitro

Journal of Integrative Agriculture, 2020
As a new feed additive, chitosan has been shown in recent years to have a certain role in reducing methane emissions from the gastrointestinal tracts of ruminants.
Jin-jin TONG, Hua ZHANG, Jia WANG, Yun LIU, Sheng-yong MAO, Ben-hai XIONG, Lin-shu JIANG   +6 more
doaj   +1 more source

In silico and in vitro studies revealed that rosmarinic acid inhibited methanogenesis via regulating composition and function of rumen microbiota

Journal of Dairy Science
: Inhibition of methyl-coenzyme M reductase can suppress the activity of ruminal methanogens, thereby reducing enteric methane emissions of ruminants. However, developing specific and environmentally friendly inhibitors is a challenging endeavor.
Yunlong Liu, Xiaopeng Li, Qiyu Diao, Tao Ma, Yan Tu   +4 more
doaj   +1 more source

Natural dairy cow health [PDF]

, 2011
guide to keeping your herd healthy with herbs and other natural ...
Groot, Maria, Hansma, Hanneke, Kleijer-Ligtenberg, Gerdien, van Asseldonk, Tedje   +3 more
core  

The Diverse Structure and Organization of U.S. Beef Cow-Calf Farms [PDF]

Beef cow-calf production in the United States is widespread, occurring in every State. Nearly 765,000 farms, about 35 percent of the 2.2 million farms in the United States, had a beef cow inventory in 2007. Most of these were small, part-time operations.
Mathews, Kenneth H., Jr., McBride, William D.   +1 more
core   +1 more source

Seroprevalence of bluetongue serotype 8 in cattle in the Netherlands in spring 2007, and its consequences [PDF]

, 2008
A cross-sectional study was carried out in spring 2007, at the end of the first bluetongue outbreak season, to determine the geographical spread of bluetongue virus serotype 8 (BTV-8) infection in cattle in the Netherlands and the consequences for some ...
Berends, I.M.G.A., Elbers, A.R.W., Langen, H., Schaik, G., van, Vellema, P.   +4 more
core   +2 more sources

COMMERCIAL BEEF HERD REPLACEMENT STRATEGIES [PDF]

Annualized cow ownership costs represent a large component of the total costs in a cow-calf enterprise, and therefore impact profitability. Annualized cow costs are determined in large part by the price or cost of that cow when it entered the herd.
Fanning, Jasper, Jones, Rodney D., Marsh, Thomas L.   +2 more
core   +1 more source

The protection of the unsaturated fatty acids of dried grass and sunflower seed against biohydrogenation by rumen micro-organisms : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University [PDF]

, 1974
Ryegrass which had been dried and treated with HCHO was incubated with the rumen contents of a pasture-grazed cow. The protein in the grass was protected from degradation by the rumen microbes.
Smeaton, Duncan Colquhoun
core