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Influence of dietary supplementation and partial suckling on body weight and on lactation and reproductive performance of primiparous Boran (Bos indicus) cows in Ethiopia

Published online by Cambridge University Press:  27 March 2009

A. Tegegne
Affiliation:
International Livestock Centre for Africa (ILCA), PO Box 5689, Addis Ababa, Ethiopia
A. Geleto
Affiliation:
Faculty of Veterinary Medicine, Addis Ababa University, PO Box 34, Debre Zeit, Ethiopia
P.O. Osuji
Affiliation:
International Livestock Centre for Africa (ILCA), PO Box 5689, Addis Ababa, Ethiopia
T. Kassa
Affiliation:
Faculty of Veterinary Medicine, Addis Ababa University, PO Box 34, Debre Zeit, Ethiopia
R. Franceschini
Affiliation:
International Livestock Centre for Africa (ILCA), PO Box 5689, Addis Ababa, Ethiopia

Summary

This study was conducted in the central highlands of Ethiopia during 1990–92 to examine the effects of diet and partial suckling on lactation and reproductive performance of Boran (Bos indicus) cows. Primiparous Boran cows were allocated to dietary supplementation or no supplementation with either milking or partial suckling based on body weight at calving. All cows received grass hay ad libitum and the supplemented groups were provided with additional concentrate feed which supplied 222 g/kg DM crude protein and 10 MJ/kg DM energy. Calves were weaned at 8 weeks of age. Mean (±S.E.) dam calving and calf birth weights were 314±11·4 and 25±0·6 kg. Body weights at first postpartum oestrus and at conception were not affected by suckling. Supplemented cows however, were heavier at first oestrus (P = 0·06) and at conception (P < 0·01) than non-supplemented cows. Lactation length was longer (P < 0·01) and mean daily milk yield higher (P < 0·001) in suckled than in milked cows. Diet, however, did not influence either lactation length or daily milk yield. In suckled cows, mean daily milk yield declined sharply after weaning (week 9) and was lower by 38 and 43% of week 8 production in the supplemented and non-supplemented groups, respectively. The overall mean lactation yield was 212·4±64·6 litres; with a significant (P < 0·05) diet × suckling interaction effect. Concentrations of milk fat, total protein and total solids were not affected by either diet or suckling treatment. The postpartum anoestrus interval was longer (P < 0·01) in non-supplemented than in supplemented cows, but did not differ between suckled and milked cows. The percentage of cows cycling by 150 days postpartum was higher (P < 0·05) in supplemented than in nonsupplemented and in milked than in suckled (P > 0·05) cows. By this interval, a higher (P < 0·05) percentage of supplemented-milked (90%) cows cycled than in the other three treatment groups (48·5%). Pregnancy from the first insemination ranged from 45·5 to 63·6% in the four treatment groups. It was concluded that although partial suckling extended the postpartum anoestrus interval, lactation length and milk yield were improved. The negative effects of partial suckling on postpartum reproduction could be overcome with the appropriate dietary supplementation. The economic tradeoff between dietary supplementation, milk yield and reproduction has to be determined in partially suckled cows.

Type
Animals
Copyright
Copyright © Cambridge University Press 1994

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References

Agyemang, K., Little, D. A., Bah, M. L. & Dwinger, R. H. (1991). Effects of postpartum body weight changes on subsequent reproductive performance in N'Dama cattle maintained under traditional husbandry systems. Animal Reproduction Science 26, 5159.CrossRefGoogle Scholar
Bartsch, B. D. & Wickes, R. B. (1984). Feeding hay-based diets deficient in protein to dairy cows during early lactation. Australian Journal of Experimental Agriculture and Animal Husbandary 24, 478483.CrossRefGoogle Scholar
Beal, W. E., Notter, D. R. & Akers, R. M. (1990). Techniques for estimation of milk yield in beef cows and relationships of milk yield to calf weight gain and postpartum reproduction. Journal of Animal Science 68, 937943.CrossRefGoogle ScholarPubMed
Dawuda, P. M., Eduvie, L. O., Esievo, K. A. N. & Molokwu, E. C. I. (1989). Silent oestrus manifestation in Nigerian Bunaji Zebu cows. Animal Reproduction Science 21, 7985.CrossRefGoogle Scholar
Donaldson, T. J. (1986). Pastoralism and drought. A case study of the Borana of southern Ethiopia. MPhil thesis, University of Reading.Google Scholar
Dwinger, R. H., Agyemang, K., Little, D. A., Leperre, P., Jeannin, P., Bah, M. L. & Grieve, A. S. (1990). Health and production aspects of village based N'Dama cattle in the Gambia. In The 6th International Conference of the Institute of Tropical Veterinary Medicine (Eds Kuil, H., Paling, R. W. & Huhn, J. E.), pp. 169172. Wageningen, Netherlands: Institute of Tropical Veterinary Medicine, Wageningen, Netherlands.Google Scholar
Eduvie, L. O. (1985). Factors affecting postpartum ovarian activity and uterine involution in Zebu cattle indigenous to Nigeria. Animal Reproduction Science 8, 123128.CrossRefGoogle Scholar
Entwistle, K. W. (1983). Reproduction in Bos indicus cattle in northern Australia. Proceedings of the Australian Society of Animal Production 13, 6061.Google Scholar
Gyawu, P. (1988). A Study of Some Factors Affecting the Reproductive Efficiency (Postpartum Anoestrus) in N'Dama Cattle in the Tropics (Ghana and The Gambia), pp. 134, Rome: FAO.Google Scholar
Little, D. A., Anderson, F. M. & Durkin, J. W. (1991). Influence of partial suckling of crossbred dairy cows on milk offtake and calf growth in the Ethiopian highlands. Tropical Animal Health and Production 23, 108114.CrossRefGoogle ScholarPubMed
Mukasa-Mugerwa, E. & Tegegne, A. (1989). Peripheral plasma progesterone concentration in Zebu (Bos indicus) Cows during pregnancy. Reproduction, Nutrition Development 29, 303308.CrossRefGoogle ScholarPubMed
Mukasa-Mugerwa, E., Bekele, E. & Tessema, T. (1989). The productivity of indigenous Ethiopian highland cattle. Tropical Animal Health and Production 21, 120.CrossRefGoogle Scholar
Mukasa-Mugerwa, E., Tegegne, A., Mesfin, T. & Teklu, Y. (1991 a). Reproductive efficiency of Bos indicus (Zebu) cows under artificial insemination management in Ethiopia. Animal Reproduction Science 24, 6372.CrossRefGoogle Scholar
Mukasa-Mugerwa, E., Tegegne, A. & Ketema, H. (1991 b). Patterns of postpartum oestrus onset and associated plasma progesterone profiles in Bos indicus cows in Ethiopia. Animal Reproduction Science 24, 7384.CrossRefGoogle Scholar
Nicholson, M. J. & Butterworth, M. H. (1986). A Guide to Body Condition Scoring of Zebu Cattle. Addis Ababa, Ethiopia: International Livestock Centre for Africa (1LCA).Google Scholar
Perry, R. C., Corah, L. R., Cochran, R. C., Beal, W. E., Stevenson, J. S., Minton, J. E., Simms, D. D. & Brethour, J. R. (1991). Influence of dietary energy on follicular development, serum gonadotropins, and first postpartum ovulation in suckled beef cows. Journal of Animal Science 69, 37623773.CrossRefGoogle ScholarPubMed
Rakestraw, J., Lusby, K. S., Wettemann, R. P. & Wagner, J. J. (1986). Postpartum weight and body condition loss and performance of fall-calving cows. Theriogenology 26, 461473.CrossRefGoogle ScholarPubMed
Schlink, A. C, Gibson, D. S., Liang, Z. J. & Dixon, R. (1988). Calf management strategies and reproductive performance in a northern Australian cattle herd. Proceedings of the Australian Society of Animal Production 17, 326329.Google Scholar
Spicer, L. J. & Echternkamp, S. E. (1986). Ovarian follicular growth, function and turnover in cattle: a review. Journal of Animal Science 62, 428451.CrossRefGoogle ScholarPubMed
Statistical Analysis System (1987). Statistical Analysis System.Cary, NC: SAS Institute.Google Scholar
Swensson, C., Schaar, J., Brännäng, E. & Meskel, L. B. (1981). Breeding activities of the Ethio-Swedish integrated rural development project. Part III. Reproductive performance of Zebu and crossbred cattle. World Animal Review 38, 3136.Google Scholar
Tegegne, A., Entwistle, K. W. & Mukasa-Mugerwa, E. (1992). Effects of supplementary feeding and suckling intensity on postpartum reproductive performance of Small East African Zebu cows. Theriogenology 38, 97106.CrossRefGoogle ScholarPubMed
Williams, G. L. (1990). Suckling as a regulator of postpartum rebreeding in cattle: a review. Journal of Animal Science 68, 831852.CrossRefGoogle ScholarPubMed