Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Effect of trypanosome infection, control of parasitaemia and control of anaemia development on productivity of N'Dama cattle
Acta Tropica, Volume 48, No. 1, Year 1990
Notification
URL copied to clipboard!
Description
One hundred and forty six calving interval records were built up from 64 N'Dama cows maintained for 3.5 years under a high natural tsetse challenge in Zaire. Matching health and performance data were recorded monthly to allow simultaneous evaluation of the effects of different criteria of trypanotolerance represented by time detected parasitaemic, parasitaemia score and packed red cell volume percent (PCV) on reproductive performance, calf weaning weight and cow productivity. Control of development of anaemia, measured by PCV value during trypanosome infection, had the major effect on all three performance traits. The repeatability of this criterion (0.33) was almost equal to that of calf weaning weight, indicating PCV measurement might be suitable for identification of more trypanotolerant animals. Simultaneous evaluation of the relative effects of control of development of anaemia in both the pre-weaner calf and its dam, on calf performance, suggested that its measurement in an animal might be feasible at an early post-weaner stage. Guidelines for work to develop practical field tests for trypanotolerance involving post-weaners maintained for varying lengths of time in high natural challenge situations are suggested. © 1990.
Authors & Co-Authors
Trail, J. C.M.
Kenya, Nairobi
International Livestock Research Institute Nairobi
D'Ieteren, G. D.M.
Kenya, Nairobi
International Livestock Research Institute Nairobi
Feron, A.
Kenya
Compagnie J. Van Lancker
Kakiese, O.
Kenya
Compagnie J. Van Lancker
Mulungo, M.
Kenya
Compagnie J. Van Lancker
Pelo, M.
Kenya
Compagnie J. Van Lancker
Statistics
Citations: 83
Authors: 6
Affiliations: 2
Identifiers
Doi:
10.1016/0001-706X(90)90063-6
ISSN:
0001706X
Research Areas
Sexual And Reproductive Health
Study Design
Case-Control Study