Vol. 30 (2000): Supplement 1 | South African Journal of Animal Science

Published: 2000-01-01

Early growth, survival and litter size in Ethiopian Horro sheep

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

1-3

DOI:

10.4314/sajas.v30i4.3884

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The reproductive performance of South African indigenous goats grazing Leucaena leucocephala pasture and natural veld during gestation

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

4-6

DOI:

10.4314/sajas.v30i4.3885

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

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

6-7

DOI:

10.4314/sajas.v30i4.3886

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

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

8-10

DOI:

10.4314/sajas.v30i4.3887

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

T.S. Brand, D.A. Brandt

11-12

DOI:

10.4314/sajas.v30i4.3952

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

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

13-14

DOI:

10.4314/sajas.v30i4.3888

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

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

15-16

DOI:

10.4314/sajas.v30i4.3889

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

T.S. Brand, B. Aucamp, A. Durand

17-18

DOI:

10.4314/sajas.v30i4.3890

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

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

19-20

DOI:

10.4314/sajas.v30i4.3953

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

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

21-22

DOI:

10.4314/sajas.v30i4.3891

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A comparison of three methods of Nitrogen analysis for feedstuffs

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

23-23

DOI:

10.4314/sajas.v30i4.3892

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Faecal nematode egg counts in Merino sheep following natural challenge

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

24-25

DOI:

10.4314/sajas.v30i4.3893

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

G.J.M. Coetzee, L.C. Hoffman

26-27

DOI:

10.4314/sajas.v30i4.3894

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

E. Collins-Lusweti

28-29

DOI:

10.4314/sajas.v30i4.3895

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

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

30-31

DOI:

10.4314/sajas.v30i4.3896

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

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

32-33

DOI:

10.4314/sajas.v30i4.3897

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

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

34-35

DOI:

10.4314/sajas.v30i4.3898

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

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

36-37

DOI:

10.4314/sajas.v30i4.3899

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

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

38-39

DOI:

10.4314/sajas.v30i4.3900

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

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

40-41

DOI:

10.4314/sajas.v30i4.3901

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Stress: should animals be fed to their potential requirements?

N.S. Ferguson, G.A. Lavers

42-44

DOI:

10.4314/sajas.v30i4.3902

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

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

45-46

DOI:

10.4314/sajas.v30i4.3903

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

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

47-48

DOI:

10.4314/sajas.v30i4.3954

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

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

49-50

DOI:

10.4314/sajas.v30i4.3904

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

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

51-52

DOI:

10.4314/sajas.v30i4.3905

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Evaluation of large stock unit equivalents for sheep

M.J. Herselman

53-56

DOI:

10.4314/sajas.v30i4.3906

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The chemical body composition of four South African commercial broiler strains

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

56-57

DOI:

10.4314/sajas.v30i4.3907

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

L. Holtshausen, C.W. Cruywagen, G. Ferreira

58-59

DOI:

10.4314/sajas.v30i4.3908

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

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

60-61

DOI:

10.4314/sajas.v30i4.3909

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

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

62-62

DOI:

10.4314/sajas.v30i4.3910

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

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

63-64

DOI:

10.4314/sajas.v30i4.3911

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

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

65-67

DOI:

10.4314/sajas.v30i4.3912

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

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

68-69

DOI:

10.4314/sajas.v30i4.3913

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

G.A. Lavers, N.S. Ferguson

70-71

DOI:

10.4314/sajas.v30i4.3914

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

M.S. Lukhele, J.B.J. Van Ryssen

72-73

DOI:

10.4314/sajas.v30i4.3915

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Nutritive value and dry matter yield of Annual Ryegrass 121c

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

74-75

DOI:

10.4314/sajas.v30i4.3916

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Milk production potential of South African Boer and Nguni goats

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

76-77

DOI:

10.4314/sajas.v30i4.3917

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The effect of adding a lactic acid bacterial inoculant to maize at ensiling on milk production and milk composition of Jersey cows

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

78-79

DOI:

10.4314/sajas.v30i4.3918

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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

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

80-81

DOI:

10.4314/sajas.v30i4.3919

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

J.A. Meyer, N.H. Casey, J. Myburgh

82-84

DOI:

10.4314/sajas.v30i4.3920

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

N. Miles, L. Thurtell, S. Riekert

85-86

DOI:

10.4314/sajas.v30i4.3921

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

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

87-88

DOI:

10.4314/sajas.v30i4.3922

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Inbreeding of the Bonsmara cattle breed

B.E. Mostert, C.A.J. Exley

89-90

DOI:

10.4314/sajas.v30i4.3923

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The chemical composition of silages produced in a Mediterranean climate

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

91-92

DOI:

10.4314/sajas.v30i4.3924

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

L.R. Ndlovu, L. Simela, B. Nyamambi

93-94

DOI:

10.4314/sajas.v30i4.3925

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

Z. Nemavhola, L.R. Ndlovu

95-96

DOI:

10.4314/sajas.v30i4.3926

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

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

97-98

DOI:

10.4314/sajas.v30i4.3927

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

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

99-101

DOI:

10.4314/sajas.v30i4.3928

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Genetic parameter estimates for the South African Mutton Merino breed

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

102-104

DOI:

10.4314/sajas.v30i4.3929

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

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

105-106

DOI:

10.4314/sajas.v30i4.3930

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The potential of legume pods as supplements to low quality roughages

A.T. Ngwa, I.V. Nsahlai, M.L.K. Bonsi

107-108

DOI:

10.4314/sajas.v30i4.3931

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

I.V. Nsahlai, A.T. Sedumedi

109-110

DOI:

10.4314/sajas.v30i4.3932

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

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

111-112

DOI:

10.4314/sajas.v30i4.3933

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

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

113-114

DOI:

10.4314/sajas.v30i4.3934

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The effect of slaughter weight on pig production efficiency

E. Pieterse, L.P. Loots, J. Viljoen

115-117

DOI:

10.4314/sajas.v30i4.3935

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

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

118-119

DOI:

10.4314/sajas.v30i4.3936

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Postpartum reproductive tract score in beef cows - a proposed method

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

120-121

DOI:

10.4314/sajas.v30i4.3937

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

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

122-123

DOI:

10.4314/sajas.v30i4.3938

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

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

124-126

DOI:

10.4314/sajas.v30i4.3939

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Prediction of the body weight of Nguni goats

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

127-128

DOI:

10.4314/sajas.v30i4.3940

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

M.A. Snyman, C.A. Jackson-Moss

129-130

DOI:

10.4314/sajas.v30i4.3941

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

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

131-133

DOI:

10.4314/sajas.v30i4.3942

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Zulu Goats in KwaZulu-Natal

I.B. Stewart

134-135

DOI:

10.4314/sajas.v30i4.3943

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

H.K. Swatson, R.M. Gous, P.A. Iji

136-137

DOI:

10.4314/sajas.v30i4.3944

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

J.D. Thornton, A.V. Ferreira

138-139

DOI:

10.4314/sajas.v30i4.3945

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

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

140-141

DOI:

10.4314/sajas.v30i4.3946

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

W.A. Van Niekerk

142-143

DOI:

10.4314/sajas.v30i4.3947

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

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

143-144

DOI:

10.4314/sajas.v30i4.3948

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

J.B.J. Van Ryssen

145-146

DOI:

10.4314/sajas.v30i4.3949

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

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

147-148

DOI:

10.4314/sajas.v30i4.3955

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

E.C. Webb, K. Steenkamp, E.B. Spreeth

149-150

DOI:

10.4314/sajas.v30i4.3950

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

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

151-152

DOI:

10.4314/sajas.v30i4.3951

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