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Deals with a study in voluntary intake and livestock productivity in the Sahel carried out over a year using a herd of Zebu cattle, with some observations repeated on a flock of Sahelian sheep and goats, both under traditional management. Also presents a comparison to herds elsewhere.


International Livestock Centre for Africa[A note on voluntary intake and livestock productivity]A note on voluntary intake and livestock productivity

The production performance of West African Shorthorn cows was investigated. Details on total lactation milk yield and milk composition included. The pure West African Shorthorn cow has a good milk production potential in the region.


Ngere, L.O.Hagan, R.Oppong, E.N.W.Loosli, J.K.[Milking potential of the West African Shorthorn cow]Milking potential of the West African Shorthorn cow

It is well accepted that the growth rate of beef animals affects the economic returns of commercial ranchers. The aim of this study was therefore to investigate the effects of certain environmental factors on the birth weight and growth in a herd of Boran cattle bred at the Adamitulu cattle Impro...


Kassa-Mersha, H.Arnason, T.[Non-genetic factors affecting growth of Ethiopian Boran cattle]Non-genetic factors affecting growth of Ethiopian Boran cattle

The luteolytic effect of prostaglandin F2á (PGF2á) during the confirmed luteal phase of the oestrous cycle was evaluated in ten Boran and ten Boran x Friesian cross-bred heifers. Following injection with 25mg Lutalyse, animals were bled every 6 h for 96 h and plasma progesterone (P4) determined ...


Mutiga, E.R.Mukasa-Mugerwa, E.Tegegne, Azage[Luteolytic effect of prostaglandin F2X in Boran and Boran X Friesian cross-bred heifers]Luteolytic effect of prostaglandin F2X in Boran and Boran X Friesian cross-bred heifers
Autor: Montsma, G.

Productive performance of West African Shorthorn (WAS), N'Dama and Sokoto cattle at Nungua Research Station were investigated. Discussions and comparative data on milk yield of cows and birth weight, weight gain and conversion efficiency of calves under different levels of nutrition included.


Montsma, G.[Observations of milk yield, and calf growth and conversion rate, on three types of cattle in Ghana. II. Effects of plane of nutrition]Observations of milk yield, and calf growth and conversion rate, on three types of cattle in Ghana. II. Effects of plane of nutrition

The work reported in this paper was initiated to estimate the age at first calving in herd of Kenana cattle with particular reference to the influence of year and season of the birth on age of heifers at calving. It included a feeding trail to elucidate the effects of improved nutrition on body d...


El-Khidir, O.A.Khalifa, H.A.A.Khalafallah, A.M.Gaili, E.S.E.[A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity]A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity

Milk yield performances in Kenana and Butana cows were examined to determine the influence of age on production. The mean milk yields for the Kenana and Butana herds were 2136 ± 168 and 1807 ± 592 kg produced in a mean lactation period of 283 ± 40 days and 283 ± 57 days respectively. In both herd...


Abdalla, E.A.Nasr, A.M.Khalafalla, A.M.EL Shafie, S.A.[The influences of age on lactation length and milk yield in Kenana and Butana cows]The influences of age on lactation length and milk yield in Kenana and Butana cows

In a comparison of water intake of Boran and Angus-Boran steers over three years, the crossbreds consumed more water per head than the Borans, particularly during the hotter months. There was little difference between the groups on the basis of intake per unit liveweight, and intake per unit live...


Wigg, P.MOwen, M.A.[Studies on water consumption, night grazing and growth of Boran crossbred steers at Kongwa, Tanzania]Studies on water consumption, night grazing and growth of Boran crossbred steers at Kongwa, Tanzania
Mclaughlin, E.A.[The cattle of the Fung: a local variant of the Shorthorned zebu, indigenous to the northern Sudan]The cattle of the Fung: a local variant of the Shorthorned zebu, indigenous to the northern Sudan

Boran (Bos indicus) heifers were immunised by infection with local Theileria parva parva, T p lawrencei and T mutans stocks and treated with parvaquone and later exposed to natural tick and tick borne disease challenge in the Trans-Mara Division of Kenya. The Theileria species parasites in the ch...


Castro, J.J. deYoung, A.S.Dransfield, R.D.Cunningham, M.P.Dolan, T.T.[Effects of tick infestation on Boran (Bos indicus) cattle immunised against theileriosis in an endemic area of Kenya]Effects of tick infestation on Boran (Bos indicus) cattle immunised against theileriosis in an endemic area of Kenya

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