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Oral Toxic Doses (TD) and Lethal Doses (LD) of Herbicides in Domestic Species

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Compound	TD/LD	Species	Dosage (mg/kg)
Phenoxy acid derivatives
Phenoxy acid and its sodium salt	LD₅₀	Chickens	547
		Dogs	100–800
	LD	Pigs	500
		Hens	380–765
	TD	Pigs	100
		Calves	200
Butyl glycol ester	TD	Cattle	250 for 3 days
		Sheep	250 for 2 days
Amine salts	TD	Cattle	250 for 10 days
		Sheep	250 for 10 days or
		Sheep	500 for 7 days
Bipyridyl compounds or quaternary ammonium
Paraquat	LD₅₀	Dogs	25–50
		Cats	35
		Monkeys	50–70
		Cattle	35–50
		Chickens	110–360
	LD	Sheep	8–10
		Pigs	75
Diquat	LD₅₀	Dogs	100–200
		Cats	35–50
		Cattle	20–40
		Chickens	200–400
Ureas and thioureas
Diuron	TD	Cattle	100 for 10 days
		Sheep	250 or 100 for 2 days
		Chickens	50 for 10 days
Linuron	TD	Dogs	100–200
		Cats	35–50
		Cattle	20–40
		Chickens	200–400
Tebuthiuron	LD₅₀	Cats	>200
	TD	Cats	200
	LD₅₀	Dogs	>500
	TD	Dogs	50/day for 3 mo^a
		Chickens, quail, or ducks	No deaths were reported at a dosage of 500 mg/kg body wt.
Protoporphyrinogen oxidase inhibitors
Metribuzin	LD₅₀	Cats	>500
Anilide, acetamides, or amide compounds
Propanil	LD₅₀	Dogs	1,217
Propyzamide	LD₅₀	Dogs	>10,000
Dinitrophenolic compounds
DNOC	LD₅₀	Hens	26
		Dogs	50
		Pigs	50
		Goats	100
	TD	Cattle	2–50
		Sheep	20–50
	LD	Sheep	25 for 5 days
Dinoseb	LD₅₀	Hens	26
	TD	Cattle	25 for 8 days
		Sheep	25 for 10 days
Dinitroaniline
Bromacil
	TD	Cattle	250
		Chickens	500 for 10 days
		Sheep	50 for 10 days or 250 for 8 days
Trifluralin	LD₅₀	Dogs	>2,000
Carbamates and thiocarbamate compounds
Asulam	LD₅₀	Rabbits	>2,000
		Chickens	>2,000
		Dogs	>5,000
Di-allate	LD₅₀	Dogs	510
	TD	Chickens	150 for 10 days or 250 for 7 days
		Cattle	25 for 5 days or 50 for 3 days
		Sheep	25 for 5 days or 50 for 3 days
Phenmedipham	LD₅₀	Dogs	>4,000
	LD₅₀	Chickens	>3,000
Picloram	LD₅₀	Cattle	>750
		Sheep	>1,000
Picrolinic acid derivative
^a Anorexia and weight loss reported. No deaths were reported in dogs at a tebuthiuron dosage of 500 mg/kg body wt.