Agricultural Science JSSCE Notes

Classifications of Farm Animals Based on Types of Stomach

CONTENT:  (1) Ruminant

                     (2) Non-ruminant

Farm animals, especially mammals can be classified into two groups, according to the type of stomachs that they have . The first group is ruminants while the other group is non-ruminants.

RUMINANTS are animals that chew the cud. When ruminant is resting, it has ability to bring back from the stomach what it has eaten, to its mouth again and chew it properly (Regurgitation) .This habit is known as chewing the cud. This they can do because, they have complex stomach .The complex stomach of a ruminant is made up of four cavities (chambers)which are: rumen, reticulum, omasum and abomasum

Examples of ruminants are : Cattle, Sheep, Goat ,


1 Mention two characteristics of a ruminant

2. Explain the term chew the cud

3. Mention the four stomach compartment of a ruminant.


Non- ruminants  are animals that have simple stomach. They are other wise called monogastric animals.  This group of animals have single stomach compartment . Examples of such animals are : rabbits, pigs, guinea pigs, horse


1.    What are monogastrics?

2.    Mention three examples of monogastric animals

Week end assignment:

Junior secondary Agriculture (workbook 1)by Anthony. Youdeowei et-al pages 22- 23     

Draw the simple stomach of a monogastric and the complex stomach of a ruminants.

Pre- reading Assignment:

 Read on the characteristics of farm animals .

Reference Texts:

JSA for Nigerian school by Anthony Youdeowei ,S.OAdesiyan and others .

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