SA Journal of Animal Science

Issue: 1
1 983, Volume 13, Issue 1 Symp. Herbivore Nutrition in Subtropics and Tropics
Title Page Author(s)
Effect of season on mineral concentrations in beef cattle in Malawi 1 - 2 J.P. Mtimuni, J.H. Conrad & L.R. McDowell
The formation of volatile N-nitrosamines in kikuyu grass silage 2 - 3 J.P. Marais
Herbage availability as a stress factor on grazed Coastcross II Bermuda grass 3 - 5 D.I. Bransby
Supplementation of dairy weaners grazing tropical pastures 6 - 7 R.J. Moss, G.D. Chopping & P.N. Thurbon
Pasture systems for milk production in northern Australia 7 - 9 P.N. Thurbon, G.D. Chopping, T.M. Davison & R.T. Cowan
Improved production from grazing cattle when given protein 9 - 11 D.W. Hennessy
Digestion of Medicago truncatula pasture by sheep 11 - 12 G.D. Denney, J.P. Hogan, J.R. Lindsay & P. Davis
Evaluation of crop residues as feeds for goats. Part 1. Voluntary intakes, digestibility and nitrogen utilization of groundnut a 12 - 13 J.A. Ayoade, P.E. Makhambera & M.Z. Bodzalekani
Effect of supplementation on the digestibility of roughage diets 13 - 16 N.A. Todorov, E. Zagdsuren, R. Tserendulam & C. Badam
Ammoniated maize residue for the fattening of lambs 16 - 18 W.W. Seed
Cane molasses and NaOH-treated bagacillo diets for lambs 18 - 20 C.F. Chicco, G. Garcia, C. Fernandez & C.R. Prays
Balance study on sheep fed with beet molasses solubles 21 - 22 B.F. Kania, G. Kulasek, H. Leonowicz, R. Krzeminski, M. Leontowicz & E. Sobczak
Anatomical and nutritional adaptations in African rodents 23 - 25 M.R. Perrin & A.H. Maddock
Utilization of tropical forages and alfalfa meal by rabbits 25 - 26 P.R. Cheeke, D.J. Harris & N.M. Patton
Digestion in the capybara (Hydrochoerus huydrochaeris) 27 - 28 A. Baldizan, R.M. Dixon & R. Parra
Fibre digestion in the hyrax 28 - 30 A.K. Eloff
Aspects of the digestion in the Cape porcupine 31 - 33 A.S. van Jaarsveld
Volatile fatty acid production in the grey duiker, Sylvicapra grimmia 33 - 35 E.A. Boomker
Aspects of the feeding ecology of a browsing ruminant: the kudu 35 - 38 N. Owen-Smith, S.M. Cooper & P.A. Novellie
Food selection in the blesbok on pasture with low plant diversity 38 - 40 W. Killian & N. Fairall
Food selection by giraffes in relation to changes in chemical composition of the leaves 40 - 43 J.J.C. Sauer
A comparison between Acacia and Combretum leaves utilized by giraffe 43 - 44 J.J.C. Sauer
Control of feed intake as affected by previous treatment 45 - 46 J.P. Pienaar, H.S. Hofmeyr & G.L. Whiteford
Voluntary intake of hay and silage: The role of intake related rumen characteristics 46 - 48 P.H. Henning & J.P. Pienaar
Influence of roughages on rumen retention time of concentrates 48 - 50 J.P. Campher, C.Z. Roux & H.H. Meissner
An enzymatic approach to cell wall structure 51 - 52 R.E. Hungate, R.J. Stack, L.C. Greve & J.L. Labavitch
Processing ruminal ingesta to release bacteria attached to feed particles 52 - 54 R.I. Mackie, J.J. Therion, F.M.C. Gillchrist & M. Ndhlovu
Media lacking rumen fluid for enumeration of rumen bacteria 54 - 57 S.K. Baker & R.J. Moir
Nutritionally fastidious Ruminococcus flavefaciens strains 57 - 59 C.E.G. Roché, G.S. Miller & A. Kistner
Bacterial flora, protozoal fauna and volatile fatty acids in the rumen of the water buffalo (Bubalus bubalis) in tropical Asia 59 - 61 K. Ogimoto, S. Imai, T. Asada & J. Fujita
Distribution of urease producing bacteria in the rabbit caecum 61 - 62 R.R.H. Hill
Rumen fungal degradation of Digitaria pentzii 62 - 63 D.E. Akin, G.L.R. Gordon & J.P. Hogan
Colorimetric determination of in vitro feed protein degradation 63 - 65 P.B. Cronjé & R.I. Mackie
Estimation of protein degradation in rumen by three methods 65 - 67 J.H.F. Meyer & S.I. van der Walt
Adaptation effects of ionophores on rumen fermentation 67 - 70 A. de Jong & F. Berschauer
Effect of diet and physiological state on recycling of urea in Merino ewes 70 - 72 V.H. Oddy, J.M. Gooden & E.F. Annison
A comparison of lipolysis and lipogenesis in sheep and rats 73 - 75 S.L. Campbell & J.G. van der Walt
Homeorhetic hormones, metabolites and accelerated growth 76 - 78 A.L. Marais & J.G. van der Walt
Integration of metabolism and digestion in the hyrax 79 - 80 N. Fairall, A.K. Eloff & I.S. McNairn
Effects of energy concentration and feeding level on growth and efficiency of beef steers 80 - 83 H.H. Meissner
Efficiency of fed conversion during food restriction and realimentation 83 - 84 J.C. Greef, H.H. Meissner & C.Z. Roux
Protein nutrition of underfed beef cows suckling two calves 84 - 86 J.H. Topps

  
Issue: 2
1 983, Volume 13, Issue 2
Title Page Author(s)
Die invloed van monensin op doeltreffendheid van voeromset, karkaseienskappe en die voorkoms van koksidiose by lammers 87 - 90 B.G.J. van Vuuren en J.W. Nel
Die invloed van monensin op karkas- en woleienskappe van Merinolammers 91 - 96 B.G.J. van Vuuren en J.W. Nel
Byvoeding op somerveld vir die afronding van ou ooie 97 - 101 B.G.J. van Vuuren, J.W. Cilliers en D. Oosthuysen
'n Vergelyking tussen mielie- en sorghumgraan as bronne van kragvoer in afrondingsdiete vir vleisbeeste 102 - 106 H.J. van der Merwe, A. Pienaar, L.M. Vermaak en L.J.J. van Rensburg
'n Vergelyking tussen mielie- en sorghumgraan as bronne van kragvoer in afrondingsdiete vir vleisbeeste 102 - 106 H.J. van der Merwe, A. Pienaar, L.M. Vermaak en L.J.J. van Rensburg
The effect of feeding clinoptilolite (zeolite) to laying hens 107 - 110 M.D. Olver
'n Evaluasie van sojabone as byvoeding vir die oorwintering van wolskape op suurgrasveld 111 - 115 M.J. Bekker en M.A. Stoltz
'n Evaluasie van sojabone as byvoeding vir die oorwintering van wolskape op suurgrasveld 111 - 115 M.J. Bekker en M.A. Stoltz
The nutritive value of natural pasture in the Gordonia district 116 - 119 A.S. Faure, G.J. Minnaar and F.J.L. Burger
Estimation of the duodenal amino acid supply in ruminants by amino acid analysis of the products of fermentation in vitro 120 - 126 C. Dennison and A.M. Phillips
Evaluation of Romanov-Karakul crosses for pelt production and fertility 127 - 130 A.S. Faure, G.J. Minnaar and F.J.L. Burger
Seasonal changes in sexual activity and semen quality in the Angora ram. 1. Libido and male hormone concentrations 131 - 133 P.G. Loubser, C.H. van Niekerk and L.J.J. Botha
Artificial insemination of Angora goat does with pelleted deep-frozen semen 134 - 135 P.G. Loubser, J.P.C. Greyling and K.S. Viljoen
A comparison of methods used to estimate a rate constant for outflow from the rumen (Short communications) 136 - 138 J.P. Pienaar, C.Z. Roux and A.B. van Zyl
The use of trichloroacetic acid as precipitant for the determination of 'true protein' in animal feeds (Short Communications) 138 - 139 J.P. Marais and T.K. Evenwell
The use of trichloroacetic acid as precipitant for the determination of 'true protein' in animal feeds (Short Communications) 138 - 139 J.P. Marais and T.K. Evenwell
Fenotipiese statistieke van produksiekenmerke by Angorabokke (Kort mededeling) 140 - 141 D.G. Poggenpoel

  
Issue: 3
1 983, Volume 13, Issue 3
Title Page Author(s)
The effect of ammoniation by urea on the nutritive value of wheat straw for sheep 143 - 146 S.W.P. Cloete, T.T. de Villiers and N.M. Kritzinger
The metabolizable energy content of some South African feedingstuffs evaluated with poultry 147 - 153 R.M. Gous and C. Dennison
Evaluering van verskillende kommersiële prosesseringsmetodes op die voedingswaarde van pluimvee-afvalmeel 154 - 156 A. Du P. Minnaar, D.K. Thomson, J.J. du Preez en J.P. Hayes
The effect of whole and halved intravaginal sponges combined with either subcutaneous or intravenous administration of PMSG on s 157 - 160 A.S. Faure, D.A. Boshoff and F.J.L. Burger
Seasonal changes in sexual activity and semen quality in the Angora ram. 2. Semen volume, quality and freezability 161 - 163 P.G. Loubser and C.H. van Niekerk
Phenotypic and genetic aspects of production in the Dohne Merino. III The influence of age of the ewe on reproductive performanc 164 - 166 A.J. Fourie and H.J. Heydenrych
Phenotypic and genetic aspects of production in the Dohne Merino. IV. The influence of age of the ewe on production traits 167 - 170 A.J. Fourie and H.J. Heydenrych
Stress and adaptation in beef heifers. 2. Influence of pen conditions on thyroid activity of Shorthorn, Afrikaner and Bonsmara h 171 - 175 J.A. Erasmus and J.B. Krause
Production parameters of the impala, Aepyceros melampus 176 - 179 N. Fairall
The histology of the pre-natal follicle and hair fibre in four curl types of the Karakul sheep 180 - 191 J.H. Dreyer, E. Rossouw and M.G. Steyn

1 983, Volume 13, Issue 3 Symp. Herbivore Nutrition in Subtropics and Tropics
Title Page Author(s)
Ovine wet carcass syndrome of unknown aetiology 194 - 195 R.M. Brock, J.P.J. Joubert, A. Hattingh, G. Mitchell, S.J. Newsholme, R.R. van der Veen, H.S. Hofmeyr, E.A.N. Engels, H.B. Groenewald and P. Hunter
Estimating phosphorus intake by grazing sheep 195 - 198 P.C. Belonje and A. van den Berg
Potassium nutrition of heat-stressed lactating dairy cows 198 - 200 O.K. Beede, P.G. Mallonee, P.L. Schneider, C.J. Wilcox and R.J. Collier
Effects of hot environments on bone growth in rats 200 - 201 T. Kawashima and H. Vano
The effect of temperature on the ammoniation of wheat straw by urea 202 - 203 S.W.P. Cloete, T.T. de Villiers and N.M. Kritzinger
Urea-ensiled rice straw as a feed for cattle in Thailand 203 - 205 Parnich Tinnimit
In vitro digestibility of plants normally consumed by the kudu, Tragelaphus strepsiceros 206 - 207 E.A. Boomker and W. van Hoven
The influence of inoculum source on in vitro digestibility 207 - 209 W. van Hoven and E.A. Boomker
A comparison of rumen function in four Kalahari ungulates 209 - 211 W. van Hoven
Digestibility of the same diet in cattle and sheep 211 - 212 P. van Rooyen and F.J. van der Merwe
Rumen fermentative activity in the goat and sheep 213 - 215 R. Cabrera, P. Villarroel, E. Vial & A. Castillo
Rumen bacteria in sheep fed supplemented teff hay 215 - 217 J.J. Therion, R.I. Mackie and F.M.C. Gilchrist
Kinetic measurements on bacterial cultures growing on fibres 217 - 220 A. Kistner, J.H. Kornelius and G.S. Miller
Microbiology of feed samples incubated in nylon bags in the rumen of sheep 220 - 222 J.H.F. Meyer and R.I. Mackie
Forage evaluation by analysis after fermentation in vitro 222 - 224 C. Dennison and A.M. Phillips

  
Issue: 4
1 983, Volume 13, Issue 4
Title Page Author(s)
Protein degradability of several South African feedstuffs by the artificial fibre bag technique 225 - 228 P.B. Cronjé
Balancing the duodenal amino acid supply in ruminants with practical feed ingredients 229 - 235 C. Dennison and A.M. Phillips
Nutrient selection by cattle, goats and sheep on natural Karoo pasture. 1. Digestibility of organic matter 236 - 239 P.J.L. Zeeman, P.G. Marais and M.J. Coetsee
The effect of age and litter size on milk production in Boer goat ewes 240 - 243 J.G. Raats, P.I. Wilke and J.E.J. du Toit
Enkele nie-genetiese bronne van variasie in melkproduksie van geregistreerde Frieskoeie 244 - 249 G.P. Kuhn
Seasonal variation in semen quality of Boer and Angora goat rams using different collection techniques 250 - 252 J.P.C. Greyling and J.A.N. Grobbelaar
The influence of season on tonic luteinizing hormone (LH) and progesterone levels in cattle in a subtropical environment 253 - 256 B.P. Louw, A.W. Lishman, A. van Niekerk and S.F. Lesch
Artificial insemination versus natural breeding in a multi-breed beef herd under intensive management 257 - 261 A.G. Paterson, G.O. Harwin, W.J. Ehret, W. Avis and H.E. Twine
Whole maize versus ground maize in fattening diets for beef steers (Short communications) 262 - 264 J.P. Campher and T. Shelby, H.H. Meissner and N. Janse van Rensburg
A note on the insertion of rumen cannulae in pregnant ewes (Short communications) 264 - 265 H.O. de Waal, E.A.N. Engels and L.C. Biel

1 983, Volume 13, Issue 4 SASAP Annual congress 1983: Invited papers
Title Page Author(s)
Feeding standards for ruminants: A progress report of research under controlled conditions in South Africa 267 - 276 H.H. Meissner
Telingsnavorsing in Suid-Afrika 277 - 280 A.O. de Lange en S.C. Slippers
Nasionale beplanning en koördinering van veekundige navorsing in Suid-Afrika 281 - 285 F.J. van der Merwe en H.F. van Zyl
Future aspects of micromanipulation with embryos for cattle breeding 286 - 291 H. Kräusslich and G. Brem
Voedingsnavorsing met die weidende dier 292 - 298 E.A.N. Engels