African Journals Online
South African Journal of Animal Science

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Volume 30, Supplement 1, 2000

Early growth, survival and litter size in Ethiopian Horro sheep

Abegaz, S.Gemeda, D.Rege, J.E.O.Van Wyk, J.B.Neser, F.W.C.Erasmus, G.J. 

1

The reproductive performance of South African indigenous goats grazing

Leucaena leucocephala pasture and natural veld during gestation.

Akingbade, A.A.Nsahlai, I.V.Morris, C.D.Bonsi, M.L.K. 

4

The production performance of lactating Jersey cows receiving varying levels of lucerne hay and oat silage as roughage sources

Bangani, N.M.Botha, J.A.Muller, C.J.C.Cruywagen, C.W. 

6

Estimates of genetic parameters for traits measured in Phase A, C and D of the South African performance testing scheme

Bradfield, M.J.Mostert, B.E.Exley, C.A.J.Jordaan, F.Bergh, L. 

8

Alkaloid content of South African lupins (L luteus, L albus and L angustifolius species) and determination thereof by Near Infra-red Reflectance Spectroscopy

Brand, T.S.Brandt, D.A. 

11

Comparison of estimates of feed energy obtained from ostriches with estimates obtained from pigs, poultry and ruminants

Brand, T.S.Van der Merwe, J.P.Salih, M.Brand, Z.  

13

The effect of dietary energy and protein level on the production of growing ostriches

Brand, T.S.Nell, C.J.Van Schalkwyk, S.J.  

15

Production response of lambing ewes receiving supplementary feed while grazing wheat stubble

Brand, T.S.Aucamp, B.Durand, A.  

17

Preliminary results of the effect of dietary energy and protein levels on the production of female breeding Ostriches

Brand, Z.Brand, T.S.Brown, C.R.Van Schalkwyk, S.J. 

19

Preliminary results of the effect of dietary energy and protein levels on the production of male breeding Ostriches

Brand, Z.Brand, T.S.Brown, C.R.Van Schalkwyk, S.J. 

21

A comparison of three methods of Nitrogen analysis for feedstuffs

Figenschou, D.L.Marais, J.P.De Figueiredo, M. 

23

Faecal nematode egg counts in Merino sheep following natural challenge

Cloete, S.W.P.Dreyer, F.H.Du Toit , E.  

24

Metabolisable energy of Canola acid oil and Famarol acid oil for broiler chickens

Coetzee, G.J.M.Hoffman, L.C.  

26

The performance of the Nguni, Afrikander and Bonsmara cattle breeds in developing areas of Southern Africa

Collins-Lusweti, E.  

28

The effect of dietary protein degradability and rumen inert fat supplementation on calf performance and veal production

Cruywagen, C.W.Lategan, E.Hoffman, L.C.  

30

Crossbreeding Holstein-Friesian with Ethiopian Boran cattle in a tropical highland environment: preliminary estimates of additive and heterotic effects on milk production traits

Demeke, S.Neser, F.W.C.Schoeman, S.J.Erasmus, G.J.Van Wyk, J.B.Gebrewolde, A. 

32

The effect of milk yield on some reproductive parameters of the Elsenburg Holstein and Jersey herds

Muller, C.J.C.Du Toit, F.J.Singhapol, C.Botha, J.A.  

34

Genetic trends for growth in the Gudali and Wakwa cattle breeds of Cameroon

Ebangi, A.L.Erasmus, G.J.Neser, F.W.C.Tawah, C.L.  

36

Trace mineral status of the African Buffalo (Syncerus caffer) in the Kruger National Park

Erasmus, M.E.A.Webb, E.C.Van Ryssen, J.B.J. 

38

The effect of whole cottonseed and processing of canola on the milk production and composition of first lactation Holstein heifers

Erasmus, L.J.Haasbroek, P.C.Van Ryssen, J.B.J.  

40

Stress: should animals be fed to their potential requirements?

Ferguson, N.S.Lavers, G.A.  

42

An evaluation of the Daisy II-220 technique for determining in vitro digestibility of animal feeds in comparison with the Minson & McLeod technique

De Figueiredo, M.Mbhele, A.Zondi, J. 

45

A comparative study between the determination of dry matter digestibility in vitro and in vivo

De Figueiredo, M.Mbhele, A.Zondi, J.Majola, W.  

47

A modification of the Daisy II - 220 technique for the determination of in vitro dry matter digestibility

De Figueiredo, M.Mbhele, A.Zondi, J. 

49

Ruminal degradability and intestinal digestion of eight plant protein supplements used in ruminant diets

Gerber, N.D.Nsahlai, I.V.Bonsi, M.L.K.Gous, R.M.  

51

Evaluation of large stock unit equivalents for sheep

Herselman, M.J.  

53

The chemical body composition of four South African commercial broiler strains

Hoffman, L.C.Fisher, P.P.Ferreira, G.  

56

Veal calf performance in response to concentrate diets of different rumen degradable protein content

Holtshausen, L.Cruywagen, C.W.  

58

The effect of bypass protein supplementation on the reproductive performance of Merino sheep grazing mixed karoo veld

Hoon, J.H.Herselman, M.J.Van Heerden, M.Pretorius, A.P.  

60

The performance of weaned lambs grazing a high dry matter and nonstructural carbohydrate selection of Lolium multiflorum

Hopkins, C.Marais, J.P.Goodenough, D.C.W. 

62

The response of broiler chicks to diets supplemented with whole or oligosaccharide-free lupin seed meals.

Iji, P.A.Hughes, R.J.Choct, M.Tivey, D.R.  

63

The nutritive value of maize foggage for ewes and their lambs in the North Eastern Free State

Kriek, D.J.Du Toit, J.E.J.Fair, M.D.  

65

Influence of territorial aggressiveness of ostrich males on egg production of companion female ostriches

Lambrechts, H.Cloete, S.W.P.Swart, D.Pfister, A.P. 

68

The effect of stocking density and bin feeder space on performance in pigs

Lavers, G.A.Ferguson, N.S.  

70

The chemical composition of leaves from indigenous fodder trees in South Africa

Lukhele, M.S.Van Ryssen, J.B.J. 

72

Nutritive value and dry matter yield of Annual Ryegrass 121c

Marais, J.P.Goodenough, D.C.W.  

74

Milk production potential of South African Boer and Nguni goats

Mmbengwa, V.M.Schwalbach, L.M.Greyling, J.P.C.Fair, M.D.

76

The effect of adding a lactic acid bacterial inoculant to maize at ensiling on milk

production and milk composition of Jersey cows

Meeske, R.Cruywagen, C.W.Van der Merwe, G.D.Greyling, J.F. 

78

The effect of adding a lactic acid bacterial inoculant to big round-bale oat silage on intake, milk production and milk composition of Jersey cows.

Meeske, R.Cruywagen, C.W.Van der Merwe, G.D.Greyling, J.F.  

80

The influence of geochemistry on health risks to animals and humans in geographically localised livestock production systems

Meyer, J.A.Casey, N.H.Myburgh, J. 

82

Quality of Kikuyu herbage from pastures in the Eastern Cape coastal belt of South Africa

Miles, N.Thurtell, L.Riekert, S.  

85

Chemical composition and physical characteristics of cowpea haulms as forage for ruminants

Mokoboki, H.K.Ayisi, K.K.Ndlovu, L.R.  

87

Inbreeding of the Bonsmara cattle breed

Mostert, B.E.Exley, C.A.J. 

89

The chemical composition of silages produced in a Mediterranean climate

Muller, C.J.C.Botha, J.A.Engelbrecht, A.M.D'Hangest D'Yvoy, E.D.  

91

Utilisation of semi-arid scrubland by goats in the dry season

Ndlovu, L.R.Simela, L.Nyamambi, B. 

93

The effect of different diets on growth rate and meat quality of the indigenous chickens

Nemavhola, Z.Ndlovu, L.R.  

95

Estimation of body weight in Nguni-type cattle under communal management conditions

Nesamvuni, A.E.Mulaudzi, J.Ramanyimi, N.D.Taylor, G.J.  

97

Genetic parameter estimates for pre-weaning growth traits in Dorper sheep

Neser, F.W.C.Erasmus, G.J.Van Wyk, J.B.  

99

Genetic parameter estimates for the South African Mutton Merino breed

Neser, F.W.C.Erasmus, G.J.Van Wyk, J.B.  

102

Enzootic geophagia of calves and lambs in Northern Cape and Northwest and the possible role of chronic manganese poisoning

Neser, J.A.De Vries, M.A.De Vries, M.Van der Merwe, A.J.Loock, A.H.Smith, H.J.C.Van der Vyver, F.H.Elsenbroek, J.H. 

105

The potential of legume pods as supplements to low quality roughages

Ngwa, A.T.Nsahlai, I.V.Bonsi, M.L.K. 

107

Classification of low-resource livestock producers in the North West Province

Nsahlai, I.V.Sedumedi, A.T. 

109

Reproductive indices of Merino rams fed sun-cured Leucaena leucocephala forage

Nsahlai, I.V.Byebwa, B.K.Bonsi, M.L.K.  

111

Evaluation of genetically fine and fine x strong wool Merinos on irrigated pastures

Olivier, J.J.Bezuidenhout, A.G.Greyling, A.C.Cloete, S.W.P.  

113

The effect of slaughter weight on pig production efficiency

Pieterse, E.Loots, L.P.Viljoen, J.  

115

Heritabilities of pre-weaning traits in a multibreed beef cattle herd fitting models with or without a sire genotype x dam genotype interaction

Schoeman, S.J.Jordaan, G.F.Erasmus, G.J. 

118

Postpartum reproductive tract score in beef cows - a proposed method

Schwalbach, L.M.J.Greyling, J.P.C.Taylor, G.J. 

120

Effect of dietary energy level on efficiency of SA Mutton Merino lambs and Boer goat kids under feedlot conditions

Sheridan, R.Ferreira, A.V.Hoffman, L.C.Schoeman, S.J.  

122

The influence of proportion of Hereford breeding in a multibreed synthetic beef cattle population on birth weight and weaning weight

Skrypzeck, H.Schoeman, S.J.Jordaan, G.F. 

124

Prediction of the body weight of Nguni goats

Slippers, S.C.Letty, B.A.De Villiers, J.F.  

127

A comparison of leather properties of skins from ten different South African sheep breeds

Snyman, M.A.Jackson-Moss, C.A.  

129

Effect of ionophores and selenium supplementation on the composition of long-chain fatty acid in carcass fat of steers

Steenkamp, K.Webb, E.C.Van Ryssen, J.B.J. 

131

Zulu Goats in KwaZulu-Natal

Stewart, I.B. 

134

Biological performance and gastrointestinal development of broiler chicks fed diets varying in energy : protein ratio

Swatson, H.K.Gous, R.M.Iji, P.A.  

136

The effect of varying RDP: UDP ratios on intake and milk production efficiency in Saanen ewes fed a complete diet

Thornton, J.D.Ferreira, A.V.  

138

Heritabilities of reproductive traits in a beef cattle herd using multitrait analysis

Van der Westhuizen, R.R.Schoeman, S.J.Jordaan, G.F.Van Wyk, J.B. 

140

The copper, manganese and zinc content of livers of Impala in the Hoedspruit area

Van Niekerk, W.A. 

142

Effect of different levels of supplemental N from urea on intake and utilization of wheat straw by Dohne Merino wethers

Nolte, J. van E.Ferreira, A.V.Koster, H.H.  

143

The selenium status of grazing herbivores in different regions of Southern Africa

Van Ryssen, J.B.J.  

145

The effect of pre-slaughter stress resulting from feed withdrawal on meat quality characteristics in ostriches

Van Schalkwyk, S.J.Cloete, S.W.P.Hoffman, L.C.Brand, Z.Pfister, A.P.Punt, K. 

147

Possible use of BHT to estimate carcass fat content in small ruminants

Webb, E.C.Steenkamp, K.Spreeth, E.B. 

149

Performance of autumn lambing ewes and lambs on irrigated and dryland winter pastures

Lyle, A.D.De Villiers, J.F.Dugmore, T.J.  

151