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"Experientia docet" - Experience is the best teacher

Effects of various pre-slaughter conditions on pig carcasses and meat quality in a low-input slaughter facility

  • 2016
  • Issue: 4
  • Volume: 46
N. Čobanović, M. Bošković, D.Vasilev, M. Dimitrijević, N. Parunović, J.Djordjević & N. Karabasil Page: 380 - 390

The aim of this study was to determine the effects of gender, slaughter weight, stocking density, lairage time and season on carcass and meat quality parameters in a low-input production system. The study was conducted on 400 slaughter pigs (200…

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Assessment of heavy metal contamination in raw milk for human consumption (Short communication)

  • 2016
  • Issue: 2
  • Volume: 46
M. Younus, T. Abbas, M. Zafar, S. Raza, A. Khan, A.H. Saleem, M.A. Idrees, Q.U. Nisa, R. Akhtar & G. Saleem Page: 166 - 169

The presence of heavy metals in various farm inputs, including feed, fertilizer, water and environment leads to excretion of the residues in animals’ milk. Because consumption of milk contaminated with heavy metals poses serious threats to consumers’ health, a study…

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Ingestive behaviour of grazing ewes given two levels of concentrate

  • 2015
  • Issue: 2
  • Volume: 45
T.P.D. Silva, C.A.T. Marques, J.N.C. Torreão, L.R. Bezerra, M.J. Araújo, F.P. Gottardi, R.L. Edvan & R.L. Oliveira Page: 180 - 187

This study aimed to evaluate the influence of concentrate supplementation on the ingestive behaviour of grazing ewes. Twelve pregnant pluriparous sheep were used, six of the Santa Inês breed and six of the Morada Nova breed. The supplement was formulated…

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The influence of boar breed and season on semen parameters

  • 2014
  • Issue: 1
  • Volume: 44
D. Knecht, S. Środoń & K. Duziński Page: 1 - 9

The aim of the present study was to demonstrate the influence of boar breed and season on semen parameters. The research material consisted of 31 boars: Polish Large White (PLW), Polish Landrace (PL), and Duroc × Pietrain (D × P),…

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The influence of inoculum source on in vitro digestibility

  • 1983
  • Issue: 3
  • Volume: 13
W. van Hoven and E.A. Boomker Page: 207 - 209

A series of in vitro incubations were performed in which a constant substrate (antelope cube) was used and only the inoculum source was varied. With an inoculum obtained from 7 different wild ruminants, gas production rate varied considerably and was…

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The influence of season on tonic luteinizing hormone (LH) and progesterone levels in cattle in a subtropical environment

  • 1983
  • Issue: 4
  • Volume: 13
B.P. Louw, A.W. Lishman, A. van Niekerk and S.F. Lesch Page: 253 - 256

Plasma LH and progesterone levels were measured daily from the sixth to the fifteenth day of the oestrous cycle in Friesland cows during December (summer) of one year, and April/May (autumn), June/July (winter) and September (spring) of the following year.…

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Occurrence of oestrus in the Boer goat doe (Short communication)

  • 1987
  • Issue: 3
  • Volume: 17
J.P.C. Greyling & C.H. van Niekerk Page: 147 - 149

Scrotal circumference in young beef bulls:  Relationships to growth traits The natural occurrence of oestrus in Boer goat does was recorded for the period 1980 - 1982. Although periods of complete anoestrus were never observed, it would appear that the…

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Puberty and the induction of puberty in female boer goat kids

  • 1990
  • Issue: 4
  • Volume: 20
P.C. Greyling and C.H. van Niekerk Page: 193 - 200

Female Boer goat kids were randomly allocated (post weaning) to 2 X 3 factorial design experiments for two observation periods, to monitor puberty and the induction thereof. Treatments for each period (December and April weaning seasons respectively) included three male…

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An evaluation of Bana, Greengold and Pennaris.

  • 1998
  • Issue: 2
  • Volume: 28
T.D. de Bruyn and W.A. van Niekerk Page: 60 -

The objective was to study the partial digestion by sheep of the 500-mm regrowthof three Pennisetum selections (Bana, Greengold and Pennaris) over three seasons (autumn, spring and summer). There were no differences (p > 0.05) between selections in the quality…

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Effect of housing, initial weight and season on feedlot performance

  • 2005
  • Issue: 4
  • Volume: 35
H. Koknaroglu, D.D. Loy and M.P. Hoffman Page: 282 - 290

Feedlot information, submitted by Iowa cattle producers to the Iowa State University Feedlot Performance and Cost Monitoring Program, was examined to determine the effects of housing, initial weight and season interactions on beef steer performance. Feedlot information, consisting of 1225…

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Seasonal body condition indices of mountain reedbuck (Redunca fulvorufula) in two areas of South African Highveld: the grassland

  • 2005
  • Issue: 1
  • Volume: 35
W.A. Taylor, J.D. Skinner and R.C. Krecek Page: 19 - 29

Mountain reedbuck (Redunca fulvorufula) occupy marginal habitat that is rarely used by cattle. They are fecund, produce good quality meat and have the potential to be cropped commercially. Body condition indices including dressing % (DP), kidney fat indices (KFI), leg…

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