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H. Spiekers

Observed names: H Spiekers, Herr Hubert Spiekers, Hubert Spiekers, Spiekers, H, Spiekers, H., Spiekers, Hubert, Spiekers, Hubert 1959-
ORCID: 0000-0002-8666-7839
Observed ORCID: 0000-0002-8666-7839
OpenAlex ID: A5069234725
Effects of supplemental microbial phytase on availability of phosphorus contained in maize, wheat and triticale to pigs
1994 · M. Düngelhoef, M. Rodehutscord, et al. · Animal Feed Science and Technology · 79
Influence of dry matter intake on faecal phosphorus losses in dairy cows fed rations low in phosphorus
1993 · H. Spiekers, R. Brintrup, et al. · Journal of Animal Physiology and Animal Nutrition · 62
Dry matter losses of grass, lucerne and maize silages in bunker silos
2013 · Brigitte Koehler, Michael Diepolder, et al. · Agricultural and Food Science · 54
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Estimating utilisable crude protein at the duodenum, a precursor to metabolisable protein for ruminants, from forages using a modified gas test
2012 · B. Edmunds, K.-H. Südekum, et al. · Animal Feed Science and Technology · 46
Effects of two levels of phosphorus intake on performance and faecal phosphorus excretion of dairy cows
1993 · R. Brintrup, T. Mooren, et al. · Journal of Animal Physiology and Animal Nutrition · 46
Estimating ruminal crude protein degradation of forages using in situ and in vitro techniques
2012 · B. Edmunds, K.-H. Südekum, et al. · Animal Feed Science and Technology · 45
Long-term feeding of genetically modified corn (MON810) — Fate of cry1Ab DNA and recombinant protein during the metabolism of the dairy cow
2010 · Patrick Guertler, Vijay Paul, et al. · Livestock Science · 44
Body composition and composition of gain of growing beef bulls fed rations with varying energy concentrations
2021 · Aniela C. Honig, Vivienne Inhuber, et al. · Meat Science · 38
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ORIGINAL ARTICLE: Effects of long-term feeding of genetically modified corn (event MON810) on the performance of lactating dairy cows
2010 · K. Steinke, P. Guertler, et al. · Journal of Animal Physiology and Animal Nutrition · 38
Relationship between milk constituents from milk testing and health, feeding, and metabolic data of dairy cows
2020 · J. Glatz-Hoppe, A. Boldt, et al. · Journal of Dairy Science · 33
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Effect of extent and rate of wilting on nitrogen components of grass silage
2012 · B. Edmunds, H. Spiekers, et al. · Grass and Forage Science · 33
The amino acid composition of rumen-undegradable protein: A comparison between forages
2013 · B. Edmunds, K.-H. Südekum, et al. · Journal of Dairy Science · 32
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Influence of dietary energy concentration and body weight at slaughter on carcass tissue composition and beef cuts of modern type Fleckvieh (German Simmental) bulls
2020 · Aniela Christine Honig, Vivienne Inhuber, et al. · Meat Science · 25
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Dry‐matter losses and changes in nutrient concentrations in grass and maize silages stored in bunker silos
2019 · Brigitte Köhler, Friedhelm Taube, et al. · Grass and Forage Science · 22
Residual energy intake, energy balance, and liability to diseases: Genetic parameters and relationships in German Holstein dairy cows
2021 · V.A.E. Becker, E. Stamer, et al. · Journal of Dairy Science · 19
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Short communication: Pro- and antioxidative indicators in serum of dairy cows during late pregnancy and early lactation: Testing the effects of parity, different dietary energy levels, and farm
2019 · C. Urh, J. Denißen, et al. · Journal of Dairy Science · 19
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Fate of Cry1Ab Protein in Agricultural Systems under Slurry Management of Cows Fed Genetically Modified Maize (Zea mays L.) MON810: A Quantitative Assessment
2011 · Helga Gruber, Vijay Paul, et al. · Journal of Agricultural and Food Chemistry · 18
Zur Messung der Verdaulichkeit des Phosphors aus mineralischen Phosphor‐Trägern sowie aus Mineralfuttern, Eiweißkonzentraten und Alleinfuttern für Schweine
1994 · M. Rodehutscord, M. Faust, et al. · Journal of Animal Physiology and Animal Nutrition · 18
Schätzung des nXP-Gehaltes mit Hilfe des modifizierten Hohenheimer Futterwerttests und dessen Anwendung zur Bewertung von Raps- und Sojaextraktionsschroten
2001 · H. Steingaß, Dörte Nibbe, et al. · 16
Effects of different concentrate levels on milk yield, feed intake, live weight change, health and reproduction in dairy cows
1991 · H Spiekers, Anna-Maria Klünter, et al. · Livestock Production Science · 15
Genetic parameters for dry matter intake, energy balance, residual energy intake, and liability to diseases in German Holstein and Fleckvieh dairy cows
2022 · V.A.E. Becker, E. Stamer, et al. · Journal of Dairy Science · 13
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Changes of ruminal pH, rumination activity and feeding behaviour during early lactation as affected by different energy and fibre concentrations of roughage in pluriparous dairy cows
2018 · Rolf Schmitz, Karina Schnabel, et al. · Archives of Animal Nutrition · 13
The effects of energy concentration in roughage and allowance of concentrates on performance, health and energy efficiency of pluriparous dairy cows during early lactation
2018 · Rolf Schmitz, Karina Schnabel, et al. · Archives of Animal Nutrition · 12
Circulating adiponectin concentrations during the transition from pregnancy to lactation in high-yielding dairy cows: testing the effects of farm, parity, and dietary energy level in large animal numbers
2019 · C. Urh, J. Denißen, et al. · Domestic Animal Endocrinology · 11
Evaluation of the net energy for lactation system and estimation of the energy requirements of dairy cows based on a comprehensive analysis of feeding trials
2021 · Leonhard Gruber, Wilhelm Knaus, et al. · Archives of Animal Nutrition · 9
Works count: 143
Citation count: 841
H-index: 18
I10-index: 24
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