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 ,
Evaluation:
1 Mention two characteristics of a ruminant
- Explain the term chew the cud
- Mention the four stomach compartment of a ruminant.
Sub-Topic 2: NON-RUMINANTS( MONOGASRICS)
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
Evaluation: - What are monogastrics?
- 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