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"Experientia docet" - Experience is the best teacher

Effect of two commercial preparations of condensed tannins on the survival of gastrointestinal nematodes of mice and goats in vi

  • 2005
  • Issue: 3
  • Volume: 35
R.A. Max, D. Wakelin, J. Craigon, A.A. Kassuku, A.E. Kimambo, L.A. Mtenga and P.J. Buttery Page: 213 - 220

In vitro studies were carried out to investigate anthelmintic activities of two commercial tannin preparations, quebracho (QT) and wattle (WT), against a freshly isolated mouse nematode (Heligmosomoides polygyrus) and goat nematodes (Haemonchus contortus and Oesophagostomum columbianum). The worms were incubated…

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Effect of method of sample preparation on ruminal in situ disappearance of dry matter and nitrogen in annual ryegrass in dairy c

  • 2005
  • Issue: 2
  • Volume: 35
B.J. van der Merwe, T.J. Dugmore, J.B.J. van Ryssen, L.M. Thurtell and S.J. Morning Page: 126 - 134

The objective of this study was to investigate the effect of method of sample preparation on the degradation kinetics of herbage when applying the in situ technique. Ryegrass (Lolium multiflorum cv. Midmar) was harvested at three and four weeks after…

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Effect of cyadox on growth and nutrient digestibility in weanling pigs

  • 2005
  • Issue: 2
  • Volume: 35
Y. Wang, Z. Yuan, H. Zhu, M. Ding and S. Fan Page: 117 - 125

The effect of cyadox on growth and apparent digestibility of nutrients in weanling pigs was investigated. Cyadox (2-formylquinoxaline-N1,N4-dioxide cyanocetylhydrazone) is a derivative of quinoxaline-1, 4-dioxide, a growth promoting antimicrobial agent that is used in pig production. Seventy-five crossbred weanling barrows…

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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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The effect of feeding rosemary, oregano, saffron and α-tocopheryl acetate on hen performance and oxidative stability of

  • 2005
  • Issue: 3
  • Volume: 35
N. Botsoglou, P. Florou-Paneri, E. Botsoglou, V. Dotas, I. Giannenas, A. Koidis and P. Mitrakos Page: 143 - 151

In this study the effects of feeding rosemary, oregano, saffron and α-tocopheryl acetate on hen performance and egg quality were investigated. One hundred-twenty Lohmann laying hens, 32 weeks old, were divided into five groups replicated four times with six hens…

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Effect of cultivar and formaldehyde treatment of barley grain on rumen fermentation characteristics using in vitro gas productio

  • 2005
  • Issue: 3
  • Volume: 35
M. Colkesen, A. Kamalak, O. Canbolat, Y. Gurbuz and C.O. Ozkan Page: 206 - 212

The aim of this study was to determine the effects of cultivar and formaldehyde treatment of barley grains on rumen fermentation characteristics using the in vitro gas production technique. Amount of gas produced (mL/g organic matter (OM)) during fermentation was…

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Microsatellite markers reveal low genetic differentiation among southern African Camelus dromedarius populations

  • 2005
  • Issue: 3
  • Volume: 35
M. Nolte, A. Kotzé, F.H. van der Bank and J.P. Grobler Page: 152 - 161

We report new demographic and genetic data on southern African camel (Camelus dromedarius) populations. Results from questionnaires on demography indicated that approximately 476 camels were extant in South Africa, Namibia and Botswana in 2003. We have sampled 234 camels for…

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