Examine and study carefully specimen H and L.
(a) Name the part of the body of farm animals from which either specimen H or I can be found.
(b) Name the group of farm animals which possess each of specimens H and I
(c) A farmer has two types of livestock feed labelled X and Y. Feed X contains 60% milled maize cobs and 40% maize powder while feed Y contains 30% milled maize cobs and 70% maize powder. Which of the feeds, X or Y would a farmer feed the group of livestock possessing specimen H? Give four reasons for your answer.
(d) Draw a labelled diagram of specimen l to show its essential features.
Explanation
(a) Specimen H is a piece of rumen which ís derived from the alimentary canal of ruminant animals e.g Cow while Specimen I is gizzard or alimentary canal of poultry bird up to gizzard. It is derived from the alimentary canal of a bird.
(b) Specimen H is possessed by ruminant animals like cattle, sheep and goat while specimen I is derived from non ruminant especially, poultry birds e.g. domestic fowl.
(c) Feed X contains 60% milled maize cobs and 40% maize powder while Feed Y contains 30% milled malze cobs and 70% maize powder. From the above feeds, a farmer would prefer to feed his livestock possessing specimen H ( rumen) with Feed X.
Reasons:
- Livestock possessing specimen H has complex stomach structures which can easily digest feedX.
- The digestion of feed X is aided by bacteria
- Feed X is high in crude fibre and low in carbohydrate.
- The livestock can ruminate on feed X.
(d) 