What's the difference between bitterweed and butterweed?
Bitterweed
Definition:
(n.) A species of Ambrosia (A. artemisiaefolia); Roman worm wood.
Example Sentences:
(1) Four lambs fed each diet were euthanatized prior to bitterweed administration (initial euthanasia group).
(2) The high protein-sodium sulfate diet did not prevent chronic bitterweed toxicity, but soybean meal-sodium sulfate combination had the greatest effect on the reduction of bitterweed toxicity.
(3) Emaciation and temporary illness from sneezeweeds, bitterweed, locoweed, larkspur, lupines, and others may interfere with mating.
(4) Each group received a different combination of bitterweed, a basal ration, soybean meal, urea, or sodium sulfate.
(5) Other plant toxins excreted through the milk that pose a toxicity hazard include pyrrolizidine alkaloids in Senecio, Crotalaria, Heliotropium, Echium, Amsinckia, Symphytum (comfrey), Cynoglossum (hounds tongue) and Festuca (tall fescue); piperidine alkaloids in Conium, tobacco and others; quinolizidine alkaloids in Lupinus; sesquiterpene lactones of bitterweed and rubber weed; and glucosinolates in Amoracia (horseradish), Brassica (cabbage, broccoli, etc.
(6) All tests involving the function of factor X, including a specific factor assay, became abnormal after the sheep were given bitterweed.
(7) Four lambs fed each diet were administered bitterweed (0.68% hymenoxon, air-dried basis) at a rate of 0.25% of live weight for 5 consecutive days.
(8) The results demonstrate that Cnicus benedictus (blessed thistle), Chrysanthemum leucanthemum (marguerite, ox-eye daisy) and Helianthus debilis (dwarf sunflower) are strong sensitizers while Helenium amarum (bitterweed), Gaillardia amblyodon (blanket flower), Artemisia ludoviciana (prairie sage), Ambrosia trifida (giant ragweed) and Solidago virgaurea (goldenrod) are medium sensitizers.
(9) Hymenoxon, a toxic sesquiterpene lactone found in bitterweed, bound deoxyguanosine in a cell-free system and formed adducts with guanine residues in cellular DNA.
(10) Two experiments were designed to establish a chronic bitterweed dose in sheep and to study the prevention of chronic bitterweed poisoning with dietary supplements of high protein (20% crude protein) and sodium sulfate.
(11) An acquired coagulation factor X activity deficiency was demonstrated in sheep fed Hymenoxys odorata, bitterweed plant.
Butterweed
Definition:
(n.) An annual composite plant of the Mississippi valley (Senecio lobatus).