Forty-eight heifers of two genotypes, Boran (Bos indicus) and Holstein×Boran, were allocated to three feeding levels equivalent to 1.0, 1.2 and 1.4 times calculated metabolisable energy requirements for maintenance (MEm). The experiment started at the onset of reproductive activity, when the Bora...
Jenet, A.
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Fernández Rivera, S.
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Tegegne, Azage
,
Yimegnuhal, A.
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Osuji, P.O.
,
Kreuzer, M.
,
[Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet]
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Growth and feed conversion of Boran (Bos indicus) and Holstein X Boran heifers during three physiological states receiving different levels of a tropical diet
Eighteen oxen were allotted to three treatment groups according to their body condition: poor, medium and good. Work output, speed, live weight and body condition were measured during 7 weeks when animals worked 4 days/ week, 4 h/day, pulling loads equivalent to 12.5 kg/100 kg live weight. The an...
Fall, Abdou
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Pearson, R.A.
,
Fernández Rivera, S.
,
[Nutrition of draught oxen in semi-arid West Africa. 3. Effect of body condition prior to work and weight losses during work on food intake and work output]
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Nutrition of draught oxen in semi-arid West Africa. 3. Effect of body condition prior to work and weight losses during work on food intake and work output
Two experiments were conducted to investigate the relationships between work and intake and digestion of food by draught oxen given millet stover. In the first experiment, intake of millet stover, water intake, live weight, plasma concentrations of triiodothyronine, thyroxine and urea-nitrogen we...
Fall, Abdou
,
Pearson, R.A.
,
Lawrence, P.R.
,
Fernández Rivera, S.
,
[Nutrition of draught oxen in semi-arid West Africa. 2. Effect of work on intake, apparent digestibility and rate of passage of food through the gastro-intestinal tract in draught oxen given crop residues]
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Nutrition of draught oxen in semi-arid West Africa. 2. Effect of work on intake, apparent digestibility and rate of passage of food through the gastro-intestinal tract in draught oxen given crop residues
This study was conducted to determine the energy expenditure of draft oxen working on sandy soils, performing common agricultural tasks, so that energy requirements could be determined; to establish the relationships between work and intake and digestibility of roughages by draft oxen; to investi...
Fall, Abdou
,
Pearson, R.A.
,
Lawrence, P.R.
,
Fernández Rivera, S.
,
[Feeding and working strategies for oxen used for draft purposes in semi-arid West Africa]
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Feeding and working strategies for oxen used for draft purposes in semi-arid West Africa