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Tethering of grazing goats in tanzania: effect of tethering for 4 or 8 hours daily on intake and milk yield of norwegian cross local goats grazing brachiaria in the wet season

Published online by Cambridge University Press:  20 November 2017

D S C Sendalo ,
E Owen ,
L A Mtenga ,
D L Romney ,
P D Penning  and
R W Mayes
D S C Sendalo
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 2AT
E Owen
Affiliation:
Department of Agriculture, The University of Reading, Earley Gate, PO Box 236, Reading RG6 2AT
L A Mtenga
Affiliation:
Department of Animal Science & Production, Sokoine University of Agriculture, PO Box 3004, Morogoro, Tanzania
D L Romney
Affiliation:
Natural Resources Institute, Chatham Maritime, Chatham ME4 4TB
P D Penning
Affiliation:
BBSRC Institute for Grassland & Environmental Research, North Wyke Res. Station, Okehampton EX20 2SB
R W Mayes
Affiliation:
Macaulay Land Use Research Institute, Aberdeen AB9 2QJ
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Extract

The experiment formed part of a development programme to improve tethering practice and increase liquid milk production from grazed goats on smallholder farms. A local survey in upland (Mgeta) and lowland (Mlali) districts near Morogoro (Sendalo, Mtenga, Ngapongora, Minde, Owen, Romney and Gill, 1994) indicated that goats were tethered at sites of grazing for 4 to 8 hours (h) daily (d), with the animals being housed, generally without additional feeding, at other times. The survey also indicated that tethering was a particularly common method of controlling grazing during the wet, crop-planting/crop growing period.

The experiment therefore compared the milk production of lactating goats tethered to graze during the wet season for 4 or 8 h per day. An attempt was made to measure intake during grazing. The experiment tested the hypothesis that goats tethered to graze for 4 h/d would be unable to consume as much grass as those grazed for 8 h/d and consequently, would produce less milk.

Type
Fibre
Information
Proceedings of the British Society of Animal Science , Volume 1995 , March 1995 , pp. 102
Copyright
Copyright © The British Society of Animal Science 1995

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References

Mayes, R.W., Lamb, C.S. and Colgrove, P.M. 1986. The use of dosed and herbage n-alkanes as markers for the determination of herbage intake. Journal of Agricultural Science, Cambridge, 107: 1616–170.10.1017/S0021859600066910CrossRefGoogle Scholar
Penning, P.D. and Hooper, G.E. 1985. An evaluation of the use of short-term weight changes in grazing sheep for estimating herbage intake. Grass and Forage Science 40: 79–84.10.1111/j.1365-2494.1985.tb01722.xCrossRefGoogle Scholar
Sendalo, D.S.C., Mtenga, L.A., Ngapongora, J.M.N., Minde, I., Owen, E., Romney, D.A. and Gill, M. 1994. Tethering of small ruminants in tanzania. the case of morogoro district. Tanzania Society of Animal Production Conference Series, 20 (1993), 154–161.Google Scholar