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Low protein

About: Low protein is a research topic. Over the lifetime, 8139 publications have been published within this topic receiving 213225 citations.


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Journal ArticleDOI
TL;DR: Increased levels of supplemental protein increased intake and utilization of dormant tallgrass-prairie forage and increasing supplemental energy without adequate protein availability was associated with depressed intake and digestibility.
Abstract: Three experiments were conducted to evaluate effects of supplemental protein vs energy level on dormant forage intake and utilization In Exp 1, 16 ruminally cannulated steers were blocked by weight (avg wt = 242 kg) and assigned randomly to a negative control or to one of three isocaloric supplement treatments fed at 4% BW: 1) control, no supplement (NS); 2) 12% CP, low protein (LP); 3) 28% CP, moderate protein (MP); 4) 41% CP, high protein (HP) In Exp 2 and 3, 16 ruminally cannulated steers were blocked by weight (avg wt = 332 kg, Exp 2; 401 kg, Exp 3) and assigned randomly to a 2 x 2 factorial arrangement of treatments The treatments contrasted low (LP) and high (HP) levels of supplemental protein (66 g CP/kg BW vs 132 g CP/kg BW) with low (LE) and high (HE) levels of supplemental ME (92 kcal/kg BW vs 184 kcal/kg BW) In Exp 1, forage DMI as well as ruminal DM and indigestible ADF fill at 4 h postfeeding were greater (P less than 10) with the MP and HP steers than with control and LP steers Total DM digestibility increased (P less than 10) for supplemented steers (355% for control vs 473 for supplemented steers); however, LP depressed (P less than 10) NDF digestibility In Exp 2, forage DMI, indigestible ADF flow and liquid flow were depressed (P less than 10) in LP-HE supplemented steers In Exp 3, HP steers had greater (P less than 10) forage DMI, indigestible ADF fill values (4 h postfeeding), liquid volume and tended (P = 11) to have greater ruminal DM fill (4 h postfeeding) In summary, increased levels of supplemental protein increased intake and utilization of dormant tallgrass-prairie forage (less than 3% CP) Increasing supplemental energy without adequate protein availability was associated with depressed intake and digestibility

142 citations

Journal ArticleDOI
TL;DR: An attenuated total reflectance Fourier transform infrared method has been developed that allows collection of spectra from proteins in solution that eliminates any structural perturbations induced by the internal reflection element (IRE), and thus the spectra reflect the solution conformation of the protein.

142 citations

Journal ArticleDOI
TL;DR: The FPG protein of Escherichia coli is a DNA repair enzyme with DNA glycosylase, abasic site nicking, and deoxyribose excising activities, and analysis of the amino acid sequence of this protein suggests that the Fpg protein is a zinc finger protein with a Cys-X-X2-Cys-Zn-X16-Cats motif.

141 citations

Journal ArticleDOI
TL;DR: Fibrin deformability is not only an essential part of the biomechanics of hemostasis and thrombosis, but also a rapidly developing field of bioengineering that uses fibrin as a versatile biomaterial with exceptional and tunable biochemical and mechanical properties.

141 citations

Journal ArticleDOI
TL;DR: In this article, the authors conducted a survey of the Namib dunes after a prolonged dry period (mean annual precipitation 14 mm) and after a high rainfall event (118 mm).

141 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20227
2021298
2020300
2019278
2018308
2017306