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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Lactation performance of goats and growth rates of kids under different milking and rearing methods in Kenya
Animal Production, Volume 46, No. 2, Year 1988
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Description
Two experiments were conducted to test different milking procedures for dual-purpose goats that would be suitable for smallholder farmers. In experiment 1, 105 East African and Galla does that kidded to singles were randomly assigned to three treatments: (a) milking in absence of kid and kid sucking residual; (b) milking in presence of kid and kid sucking residual; and (c) milking once a week and kid sucking all milk 6 days of the week. In experiment 2, 45 Galla does that kidded to singles were randomly assigned to three treatments: (a) weigh-suckle-weigh; (b) milking half udder while kid sucking other half and (c) kid sucking all milk in the evening and milking mornings. Measurements of milk yield, milk sucked and weights of kids were taken for 12 weeks of lactation. Results were analysed using least-squares techniques for unequal subclass numbers. Milking in the presence of kids increased does' milk yield. This increase was attributed to the stimulation of milk let-down by the presence of kids. Although this method potentially provided most milk for dairy use, less residual milk was left to sustain growth of kids. Estimates of total milk yield by milking once a week underestimated milk yield potential of the East African and Galla breeds. Results indicated an appropriate method for estimating milk potential should combine both milked and sucked milk measurements. Restricting milk available to the kids reduced their growth rates and thus indirectly affected their maturing rates. No milking procedure proved to be superior all-around for the smallholder for milking goats. To resolve this dilemma, use of an optimizing technique including socio-economic weighting of milk for family use relative to milk for kids was proposed. © 1988, British Society of Animal Science. All rights reserved.
Authors & Co-Authors
Ruvuna, F.
Unknown Affiliation
Cartwright, T. C.
Unknown Affiliation
Blackburn, Harvey D.
Unknown Affiliation
Okeyo, M.
Unknown Affiliation
Chema, S.
Unknown Affiliation
Statistics
Citations: 18
Authors: 5
Affiliations: 3
Identifiers
Doi:
10.1017/S000335610004229X
ISSN:
00033561
Study Approach
Quantitative
Study Locations
Kenya