Quick Answer: How Much Rotenone To Kill Fish

The application rate for rotenone is 01 to 50 mg/L for the 5% active ingredient liquid and powder formulations A 25% liquid formulation containing a 25% synergist is also available Concentrations of 1 to 3 mg/L are used to remove most fish populations

Can you eat fish killed by rotenone?

Can we eat fish treated by rotenone? You are strongly cautioned not to eat fish that have been treated with rotenone because no federal or state guidelines are in place for eating fish taken after rotenone treatment If they were, the un-neutralized rotenone would kill them

How do you put rotenone in a pond?

Liquid rotenone can be mixed with twice its volume of water before application, or it can be poured in the concentrated form directly into the water, if the container spout is plugged to allow control of the flow to ensure proper coverage of the entire pond

How does rotenone affect fish?

Rotenone is the piscicide most often used to kill fish Rotenone kills by inhibiting cellular respiration in mitochondria, which leads to reduced cellular uptake of oxygen It affects most aquatic gill-breathing animals such as fish, amphibians and insects

Is rotenone harmful to humans?

The World Health Organization classifies rotenone as moderately hazardous because it may be absorbed by ingestion or inhalation Inhalation of concentrated rotenone in the powder form is the most direct threat to humans, and caution is required during handling

How fast does rotenone break down?

Studies show that rotenone completely degrades within one to eight weeks within the temperature range of 50°F to 68°F Q How long do the materials other than rotenone persist from liquid formulation treatments?

Can you still buy rotenone?

To get a complete kill you must treat all puddles, even those in the watershed, no matter how small! Rotenone is a registered aquatic chemical that is used to kill fish In Alabama, rotenone for pond renovation can be purchased from most farm supply or feed-and-seed stores by anyone with a pesticide applicator permit

How much does rotenone cost?

Rotenone is expensive, which is another reason to not do a renovation unless it is necessary Costs can range from $50 to $80 per gallon At $70 per gallon, the 5-acre pond above would cost $70 X 20 acre-feet = $1,400

Is rotenone a restricted use pesticide?

Rotenone products are classified as Restricted Use Pesticides (RUP) due to acute inhalation, acute oral, and aquatic toxicity

Why is fish killed by rotenone suitable for human consumption?

Fish, insects, birds and mammals have natural enzymes that will detoxify sub-lethal amounts of rotenone Fish are highly susceptible because rotenone is readily absorbed through their gills, and they cannot escape exposure to it

Is rotenone harmful to dogs?

Rotenone is known to be a toxic ingredient that will adversely affect dogs, snakes, pigs and fish, especially if these animals are considered pets in your home Most tick shampoos are known to contain rotenone Other types of products with this ingredient include: DuraKyl Pet dip

Is heptachlor still used?

Heptachlor was used as an insecticide; however, nearly all registered uses of heptachlor have been canceled

What is rotenone and how is it typically used?

Rotenone (Fig 501A) is a natural compound, used as an insecticide and a herbicide Rotenone is a naturally occurring complex ketone, derived from the roots of Lonchocarpus species (Uversky, 2004) It is a commonly used pesticide and is also used in lakes and reservoirs to kill fish that are perceived as pests

How can rotenone cause death?

Rotenone is one of the naturally occurring insecticides obtained from plants of the “Derris” species (Gupta, 2012) Rotenone causes inhibition of mitochondrial respiratory chain complex I, (NADH-ubiquinone oxidoreductase) and cell death by apoptosis due to excess generation of free radicals

How do I get rid of goldfish in my pond?

Using a Fish Net A net is a useful tool if you want to remove only a couple of fish, or one specific fish, from your pond A long-handled net will enable you to scoop the desired fish out of the water without harming them Make sure the holes in your net are small enough that the fish cannot slip through the holes

Does rotenone cause hypoxia?

The specific complex I inhibitor, rotenone, and the reduction of mitochondrial DNA (mtDNA) content reduced intracellular hypoxia, indicating that intracellular oxygen concentration is regulated by the consumption of oxygen by mitochondria

How do you reverse rotenone poisoning?

Poisoning with rotenone is uncommon but is potentially fatal because this agent inhibits the mitochondrial respiratory chain In vitro cell studies have shown that rotenone-induced toxicity is reduced by the use of N-acetylcysteine, antioxidants and potassium channel openers

How does rotenone cause Parkinson’s?

The dopaminergic cell loss induced by rotenone leads to the development of parkinsonian symptoms such as bradykinesia, rigidity and a stooped-like posture (Betarbet et al, 2002)

Where is rotenone commonly found?

Rotenone is an odorless, colorless, crystalline isoflavone used as a broad-spectrum insecticide, piscicide, and pesticide It occurs naturally in the seeds and stems of several plants, such as the jicama vine plant, and the roots of several members of Fabaceae

What stage of cellular respiration is affected by rotenone?

Rotenone interrupts aerobic cellular respiration by blocking electron transport in mitochondria through the inhibition of the enzyme NADH ubiquitone reductase, which prevents the availability of oxygen for cellular respiration

Which complex will be affected if rotenone is added?

Background/Aims: Rotenone (Rot) is known to suppress the activity of complex I in the mitochondrial chain reaction; however, whether this compound has effects on ion currents in neurons remains largely unexplored

Why have my pond fish died?

Introduction Fish mortality in ponds is a natural process, and noticing the occasional dead fish along shoreline areas is not unusual Natural causes include predation, old age, minor disease outbreaks, handling, or spawning stress

What can I do with unwanted koi?

Southern California Koi Rescue has provided free koi fish rescue and rehoming services since 2008 A registered 501(c)(3) non-profit organization, our experienced team of friendly volunteers can come to your location and safely transport your koi to one of our waiting quarantine tanks

Are golden shiners good for ponds?

Golden shiners are one of the two most widely cultured bait fishes (along with fathead minnows) and have been cultured in ponds for more than a half century Golden shiners are omnivorous feeders and can graze on phytoplankton, small zooplankton, insects and other materials