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aistand south~ern afrkca - (PDF, 101 mb) - USAID

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Supplementation improved milk yields and<br />

supplementation with water melon seeds or Table 4. In vtro organic matter diiestibility<br />

Acacia tortilis pods yielded similar amounts of (VOMD) 0' diffrent components of<br />

milk as with 1 kg of sunflower seed cake. Cenchrus acacia ciliaris pods, hay water and sunflower melons,<br />

Based on the report by Tanner et al (1990) seed cake.<br />

who observed considerable amounts (46%) of<br />

intact (undigested) Acacia tortilis seeds in the Feed IVOMD (%)<br />

faeces of sheep supplemented with unground Acacia tortilisseeds 86.4<br />

pods, the project routinely ground the whole Acaca albidaseeds 94.3<br />

acacias pods. Water-melon seeds 52.0<br />

Nutrilive value of browse Sunflower seed cake 56.1<br />

Cons;Jerable information iz. available on the Cenchrusciiaris 61.0<br />

potential contribution of the introduced legu- Acacia tortils empty pods 59.7<br />

minous species such as Leucaena leucocephala<br />

(NAS, 1977; Jones, 1979) and Gliricidiasepium Acaca albida empty pods 88.2<br />

Table 5. Insacco degradability of different components ofAcacia pods, water melon seeds, sunfiowe;<br />

seed cake and Cenchrus ciliarts hay after different Incubation times.<br />

In sac.,o degradabillty, %of DM<br />

Feed<br />

Acacia tortifisseeds<br />

6<br />

25.1<br />

12<br />

38.0<br />

Incubation time (hours)<br />

18 24<br />

50.2 58.5<br />

48<br />

75.4<br />

72<br />

80.P<br />

Acacia albida seeds<br />

Watermalon seeds<br />

Cenchrus ciliadshay<br />

Sunflower seed cake<br />

A ofos empty pods<br />

A.albida emptypods<br />

48.2<br />

39.2<br />

22.9<br />

37.6<br />

42.2<br />

50.1<br />

NA<br />

41.5<br />

34.6<br />

44.7<br />

50.8<br />

59.4<br />

75.9<br />

44.1<br />

38.8<br />

44.6<br />

5/.5<br />

66.7<br />

85.5<br />

44.9<br />

45.4<br />

47.2<br />

60.4<br />

69.9<br />

NA<br />

44.5<br />

54.5<br />

47.6<br />

eM.2<br />

70.5<br />

93<br />

45.3<br />

61.1<br />

47.9<br />

65.1<br />

69.9<br />

Figur 1. Effect ofsupplementation with Acacia pods, water melon seed meal and sunflowerseed cake<br />

on rumen NH3-N of a steer on Conchrus ciliaris-based diet<br />

30 '<br />

20<br />

NH3-N (mg/100 ml)<br />

. %<br />

% ".• Water melon SM<br />

"'" • .. ".....Sunflower SC<br />

- .. . ''...".Acacia pod<br />

10 lO5<br />

20<br />

Time (hours)<br />

207<br />

...... Control

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