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"Experientia docet" - Experience is the best teacher

Effects of rumen undegradable protein source on feed intake and milk yield of Holstein dairy cows

  • 2023
  • Issue: 5
  • Volume: 53
M. Savari, M.S.S. Firouzabadi, F. Mohammadi, R. Abigaba, A. R. Rayshan, A. Gharagozloo & F. Abdollahzadeh Page: 764 - 773

This study was conducted to determine the effects of heat treated-soybean meal, fish meal, meat meal, and an equal blend of fish and meat meal as rumen-ungradable protein (RUP) sources on productive performance, nutrient digestibility, N-utilization efficiency, and blood metabolites…

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Extrusion of canola oilcake meal and sweet lupins on the production performance of Meatmaster lambs under feedlot conditions

  • 2023
  • Issue: 5
  • Volume: 53
T.S. Brand, O.Dreyer, J.H.C. van Zyl Page: 689 - 695

Increasing commodity prices of plant proteins pressure farmers to start exploring alternative methods to optimize utilization of these dietary sources; heat treatment (extrusion) is tested in this study. Canola oilcake meal and sweet lupins were extruded to attempt to increase…

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Effects of temperature, heating time and particle size on values of rumen undegradable protein of roasted soybean

  • 2016
  • Issue: 2
  • Volume: 46
H. Rafiee-Yarandi, M. Alikhani, G.R. Ghorbani & A. Sadeghi-Sefidmazgi Page: 170 - 179

Roasted soybeans are commonly used in diets for dairy cows, but the processing conditions of roasted soybean and their effects on rumen undegradable protein (RUP) have not been fully understood. In this study, the effect of the processing of roasted…

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