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Rodent Management

Rodent Management
1
Nov

Management of Snails and Rats

Management of Snails and Rats

(a) Snails:

(1) Effective control of snails to collect their eggs and dip in 10% salt solution.

(2) To kill the snails apply Carbofuron 3G @ 25 Kg/ha.

(b) Rats:

(1) Aluminium Phosphoric – keep 3 gm pillets in each live burrow and close the hole with mud.

(2) Zinc Phosphoid – Mix 1 gm Zinc Phosphoid with 40 parts edible flour + linseed oil and make 5 gm pillets as bait.

(3) Bromodiolon : Keep 15-20 gm poisonous bait in each burrow.

File Courtesy: 
DRD, Patna
30
Jul

Field Rat

 

Scientific name : Bandicota bengalensis

Local name :

Damage of Field rat:

1. At early stage, rat cuts tillers and the affected area is seen as circular patches.

2. The rat revisits the same area next night and spreads the damage.

3. At later stage, it cuts ear heads and carries them to its burrow in which up to 2 kg of hoarded grain can be noticed.

Control of Field rat:

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
29
Jul

Chemical Control of Rodents

 

Compounds, which kill the rats by their chemical action, are known as rodenticides. These poisonous rodenticides can be divided into two groups.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
APRRI, Maruteru
29
Jul

Mechanical methods of Rodent Control

 

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
APRRI, Maruteru
29
Jul

Physical methods of Rodent Control

 

Physical methods used for control of rats are,

a. Rat proofing: While constructing new godowns, care should be taken to construct them rat proof.

The characteristics of an ideal godown are as follows: Godowns should be away from habituation.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
APRRI, Maruteru
29
Jul

Rodent Control

 

Two methods are commonly adopted for rodent control. Those are non chemical and chemical.

I. NON-CHEMICAL: • Physical methods • Mechanical • Cultural • Biological

II. CHEMICAL: • Acute/ Single dose poison • Chronic/ Multiple dose poison • Fumigation of rat burrows

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
29
Jul

Smaller bandicoot

 

Smaller bandicoot, Indian mole rat, Lesser bandicoot, Outdoor rat, Bandicota bengalensis.

 Nature of damage: Being omnivorous it feeds on grains, fruits, vegetables, nuts, sometimes flesh of young ones and dead animals.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://www.itsnature.org/ground/mammals-land/long-nosed-bandicoot/
29
Jul

Larger bandicoot

 

Larger bandicoot, The Bandicoot, Bandicota indica Nature of damage: It makes big burrows, which weaken the foundation of walls, river bunds, railway tracks etc.

It damages crops by cutting tillers/ leaves thus reducing yield drastically. It hoards grain in burrows. In stores, it mainly depends on cereals and other grains.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://www.mammalz.com/view/10809/Bandicoot
29
Jul

Norway Rat

 

Norway rat, Brown rat, Sewer rat, Ship rat, Rattus norvegicus Nature of damage: Feeds on grain.

Damage containers i.e. bags/ cartons. Pollutes grain with excreta, droppings and hairs.

Spread various diseases. Droppings found in groups and spindle shaped.

Habits: It is habituated of making burrows outside grain stores but often lives in sewers.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://nematode.unl.edu/norwayrat.htm
29
Jul

House mouse

 

House mouse, Mus musculus. Nature of damage: Their infestation imparts a typical smell to store rooms and stocks.

They feed on cereals, cereal products, vegetables, meat, fats, carbohydrates, etc. and can damage wooden furniture, paper, clothes, rubber, plastic and leather goods, etc.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://bioweb.uwlax.edu/bio203/s2009/smith_meg2/
29
Jul

House rat

 

1. House rat, Roof rat, Black rat, Rattus rattus.

Nature of damage: It eats up all food materials and can damage wood, plastic, rubber and even soft metals also.

As it is responsible for plague, it is considered as the most expensive rat of India. Generally the droppings are found scattered and banana shaped.

Habit: Being nocturnal in habit, it can be rarely seen during day time. It is a good swimmer and good climber also.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://www.mouse-rat.com/
29
Jul

Types of rodents

Rodents are one of the most important non - insects pests of agricultural crops, particularly rice.

Rodents are Vertebrata and belongs to Class: Mammalia and Order: Rodentia.

Rodents are five types

1. House rat.

2. House mouse.

3. Norway rat.

4. Smaller bandicoot.

5. Larger bandicoot.

File Courtesy: 
C S Azad University of Agriculture and Technology, Kanpur
Photo Courtesy: 
http://www.mouse-rat.com/
28
Jul

Snails Control in Rice field

Common name: Golden apple snail, golden miracle snail

Latin names: Pomacea canaliculata (Lamarck)

File Courtesy: 
RARS, Karjat
28
Jul

Chronic Rodenticides

• In order to overcome limitations and hazardous nature of acute rodenticides, lengthy baiting programme and possibility of resistance, new series of rodenticides have been developed and known as single dose anti-coagulants or second generation anti-coagulants.

These rodenticides (Bromodiolone) combines better qualities of acute and chronic rodenticides.

• For effective and successful rodent control, the following programme should be adopted on large areas at a time on community approach.

File Courtesy: 
RARS, Karjat
28
Jul

Management of Rodents

• In Local traps called ' butta' are extensively used for the control of rodents in rice. These traps provide fairly good results when applied after chemical control operation.
• However when directly used, trapping will be costly affair and one can not manage entire population over large areas.
• Moreover, at certain crop stages, like primordial formation, rodents are not attracted towards traps.

File Courtesy: 
RARS, Karjat
28
Jul

Damage at Different Stages

In India, rodents have been estimated to cause 5 to 10% losses in rice. Among the field crops, rice is the most vulnerable crop to rodents. In addition to tiller cutting, they also hoard ripened panicles inside their burrows.

Nursery:

• The nurseries are drained out and the rodents run freely inside the bed spoiling all germinated seed. Later, they also cut the seedlings 1-2 inches above the water level.

Main field

File Courtesy: 
RARS, Karjat
28
Jul

Damage at Different Stages

In India, rodents have been estimated to cause 5 to 10% losses in rice. Among the field crops, rice is the most vulnerable crop to rodents. In addition to tiller cutting, they also hoard ripened panicles inside their burrows.

Nursery:

• The nurseries are drained out and the rodents run freely inside the bed spoiling all germinated seed. Later, they also cut the seedlings 1-2 inches above the water level.

Main field

File Courtesy: 
RARS, Karjat
28
Jul

Types of Rodents

 Rodents are one of the most important non - insects pests of agricultural crops, particularly rice.

Types of rodents :

• Lesser bandicoot rat: Bandicota bengalensis.

 • Field mouse: Mus booduga.

 • Indian gerbil: Tatera Indica.

 • Soft furred field rat : Rattus meltada

File Courtesy: 
RARS, Karjat
12
Jul

Al.P.Tablets (Aluminnium Phosphide Tablets)

Al.P.Tablets (Aluminnium Phosphide Tablets)  

  • In the plugged burrows use Aluminium Phosphide tablets 0.6g@ 2 pellets per burrow only by skilled person.
  • Should be placed deep in the burrow with the help of metal rod.
  • Avoid usage of pellets in fire places and during rainfall.
File Courtesy: 
RARS - Warangal
Photo Courtesy: 
RARS- Warangal
12
Jul

Bait Placement

Bait Placement

File Courtesy: 
RARS - Warangal
Photo Courtesy: 
RARS- Warangal
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