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"Experientia docet" - Experience is the best teacher

Amino acid composition of some South African feedstuffs

  • 1975
  • Issue: 1
  • Volume: 5
J.deV. du Toit and P.A. Boyazoglu Page: 1 - 6

The amino acid content of grains and animal products was compared with whole egg, a protein source of high biological value. Groups of protein sources can be selected on the basis of this comparison, which are complementary, and can as…

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Benutting van rantsoene met batteryhoendermis as proteïenbron

  • 1975
  • Issue: 1
  • Volume: 5
H.J. van der Merwe, P.S. Pretorius en J.E.J. du Toit Page: 17 - 21

Utilisation of rations containing poultry manure as a protein source: Poultry manure (22,5 % crude protein on dry basis) obtained from a battery operation was included in rations consisting of lucerne hay, maize meal and molasses. The control ration contained…

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Waarnemings oor die voorkoms van bronstigheid by Afrikaner en Jerseykoeie onder ekstensiewe toestande in Noord-Kaapland

  • 1975
  • Issue: 1
  • Volume: 5
W.A. Coetzer, A.H. Mentz, J.A. Vermeulen en J.E. Coetzee Page: 47 - 51

Observations on the occurrence of oestrus in Africander and Jersey cattle under extensive conditions in the Northern Cape Data concerning the occurrence of oestrus in Africander and Jersey cattle under extensive conditions were obtained from a crossbreeding program at Vaalharts…

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Meat production potential of mountain reedbuck

  • 1975
  • Issue: 1
  • Volume: 5
L.R. Irby Page: 67 - 76

Thirty-nine adult mountain reedbuck (Redunco fulvorufula) were collected on the Loskop Dam Nature Reserve during 1971-72. Dressing percentages ranged from 44,0-62,4%. Seasonal variation in carcass masses and dressing percentages was pronounced with carcasses collected during July-October averaging 41% lighter for…

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Prestasie van Zeranol geïnplanteerde lammers

  • 1975
  • Issue: 2
  • Volume: 5
J. Grobbelaar, W.A. Botha, J.H. du Toit en S.F. Lesch Page: 89 - 90

Performance of zeranol implanted lambs Eighteen South African Mutton Merino ram lambs, four months old were divided by mass stratification into two groups, (A and B), similarly 18 wether lambs of the same age and breed were divided into groups…

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