Grass-Cutter / Cane Rat Farming Full Guide

Grass-Cutter / Cane Rat Farming Full Guide

Grass-Cutter / Cane Rat Farming Full Guide is a free article for all. Firstly, Grass-cutter is also know as Cane rat especially in most African Countries. Furthermore, grass-cutter is a profitable business you can engage in. Nevertheless, you must be very careful when handling it.

More On Grass-Cutter / Cane Rat Farming Full Guide

Grass-cutter belong to the family of rodent. It is also known as cane rat or cutting grass. Grass cutter farming is a relatively new venture in animal husbandry in Nigeria but has since been practiced in many west African countries such as Ghana, republic of Benin,
Togo, cote D’vore and many other countries in central Africa. There are different spices of grass-cutters, but the popular ones are the thryonomis agregorianus (brown race) and the thryonomis swinderianus (black race)

Grass-Cutter / Cane Rat Farming Full Guide

Economic Important Of Grass-Cutter

  1. It service as protein to man
  2. It services as source of income to man
  3.  The furs/skin of the grass-cutter is a ready raw material for making various kinds of hard brushes and foot mats.
  4.  Its waste product serves as a good source of organic manures.
Grass-Cutter / Cane Rat Farming Full Guide

Management System in Grass-Cutter / Cane Rat Farming Full Guide

There are two main management systems, and these are the extensive system and the intensive system.

Extensive System

This system is the wide range system. Grass-cutter are usually found in the bushes or in the forest. Harvesting is hunting in the wide life.


  • It provides game for man during hunting festivals
  • A source of meat to man
  • Also, a source of  raw materials to industries


  • Firstly, it destroys our natural habitat
  • It is very difficult to harvest

Semi Intensive System

Under this system, a large acres of land is fenced and the grass-cutter are then released into the large acres of land with a lot of natural basal feed (natural grasses) to feed on. Harvesting is usually done by setting traps.


  • Firstly, it is very cheap to manage
  • It provides meat to man


  • Taking total numbers of stock is impossible
  •  Open to external predators
  •  This system is not usually the best because in-matured ones may be caught or injured during the harvesting period.
  • If not handle with care, it can be very dangerous
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Intensive System

Grass-cutters under this system are usually kept inside a confined environment where housing, feeding and treatment are given to them for optimal health and development. The
house build for them is called a ‘den’.


Den Of A Grass-Cutter

  • Grass-cutter is a source of income to the farmer
  •  It provide food for man
  • Is serve as source of raw materials for industries and research


  • It is costly to maintain
  •  If not handle with care, it can be very dangerous

Identification Of Sex In Grass-Cutters

There are three criteria in identifying sex in grass-cutters, these are;

  • Shape of the head
  • Body size
  •  Ana-genital distance (Ana-genital distance that exist between the reproductive organ and anus)
The males head is usually big and round,
The female’s head is usually smallish and narrow
Their bodies is usually bigger than that of the
Their body size is smaller than that of the male
There  is golf
distance between the anus and the pennies
The anus and the clitoris are clamped together,
hence there is no dist

Handling Of Grass-Cutters/ Cane Rat

As a result of the hostile nature of grass-cutter, one needs to be very careful when handling any one of them. Always use a clip to select any desired specie you want to examine. But in the absent of clip, hold the grass-cutter on the center of the tail, or on the fore-legs or
on the hind leg, use any one possible.
Grass-Cutter / Cane Rat Farming Full Guide

Feeding In Grass-Cutter

Feeding in grass-cutter can take the form of basal feeding or artificial feeding

Examples Basal Feeding

Basal feeds are those naturally feed use in feeding animals. Examples of basal feed for grass-cutters are; elephant grass, guinea grass, paspalon, fresh maize stalk and cobs, sugar cane, pineapple leaves and crown, nervure of palm trees and coconut trees, cassava stem and tubers, pawpaw fruit, unripe tomatoes, cucumber, and so on.

The Need For Artificial Feed

There is need to use artificial feeding as supplement when rearing your grass-cutter in
order to the grass-cutter the require nutrition value.  A good formulated feed for grass-cutter is
written below;
protein………………………………………………..   12.14
Digestible energy……………………………………………. 2300-2500kcal
Crude cellulose ……………………………………………… 8-10
Calcium ………………………………………………………….0.5-1%
Phosphorus …………………………………………………….0.3-0.5%
The recommended feed ratio is 50-60g/day per animal and the average daily weight
grained (ADWG) IS BETWEEN 9-10g


The reproductive age of grass-cutter is 7-8 months for both sexes.

Reproduction Selection In Male

  • The male must be docile
  • Must have normal growth rate or should have been at least 2.5kg at 8 months
  • Must have equal size of testicle
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Reproduction Selection In Female

  • The female must have at least two pairs of teat
  • Must have normal growth rate or attain at least 2kg

Preparing The Male For Copulation

Grass-Cutter / Cane Rat Farming Full Guide


This exercise is carried out on the third month of the birth of the grass-cutter. It involves the massaging of the genital organ, especially at the neck region with a view to arouse its sexual consciousness.
This exercise continued until the male grass-cutter attained full reproductive stage at eight months.


This is usually done when the female is on heat, (especially in the intensive system). On the natural bases, the male will mount one the female before it ejaculate internal and fertilize the ovary of the female. The same principle is what takes place even in the intensive system. The only thing is that special attention is given to them. One male can be use for four female.

Note; always allow the female to stay with the male in the same den for about one to two months to ensure fertilization.

Gestation Test

Gestation test is done using cotton bud. Insert the cotton bud inside the clitoris of the female with a gentle twist.


Those ones with blood stain or brownish colour in the cotton bud indicate that they are pregnant, while those ones that are grayish-white are not pregnant. The non-pregnant ones are re-introducing into the den.
Note; male are called buck while female are called doe.

Gestation Period

 The pregnant doe gestate for a period of 5 months hence 152 days

Litter Size

 The litter sizes 4-11 kids per doe

Lactation Period

They lactate for 45days


Weaning is done immediately after lactation


Four female grass-cutter to one male grass-cutter

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Grass-Cutter / Cane Rat Farming Full Guide

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