Studies on nitrogen retention in growing pigs

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Studies on nitrogen retention in growing pigs. / Thorbek, G; Henckel, S; Chwalibog, André; Eggum, B O.

In: Archiv für Tierernährung, Vol. 37, No. 10, 10.1987, p. 869-80.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Thorbek, G, Henckel, S, Chwalibog, A & Eggum, BO 1987, 'Studies on nitrogen retention in growing pigs', Archiv für Tierernährung, vol. 37, no. 10, pp. 869-80.

APA

Thorbek, G., Henckel, S., Chwalibog, A., & Eggum, B. O. (1987). Studies on nitrogen retention in growing pigs. Archiv für Tierernährung, 37(10), 869-80.

Vancouver

Thorbek G, Henckel S, Chwalibog A, Eggum BO. Studies on nitrogen retention in growing pigs. Archiv für Tierernährung. 1987 Oct;37(10):869-80.

Author

Thorbek, G ; Henckel, S ; Chwalibog, André ; Eggum, B O. / Studies on nitrogen retention in growing pigs. In: Archiv für Tierernährung. 1987 ; Vol. 37, No. 10. pp. 869-80.

Bibtex

@article{ad74c9e5d79847ec80827d3675e5acff,
title = "Studies on nitrogen retention in growing pigs",
abstract = "Nitrogen retention (RN) was measured in 60 barrows of Danish Landrace and a total of 470 balance periods was carried out during the growth period from 20 to 85 kg live weight. In the first serie (Expt A) six different feed compounds of high biological value (HBV) were fed to 48 barrows, while in the second serie (Expt B) 12 barrows were measured on feed compounds of HBV or low biological value (LBV). Three different levels of gross energy were used in Expt B. Individual differences of 10-20% in the pigs capability for nitrogen retention were observed. Nitrogen retention increased from 12 to 21 g N/d on the HBV-compounds and was not influenced by increasing nitrogen or energy intake. Nitrogen retention was curvilinear in relation to metabolic live weight (kg0.75) in both series. A parabolic function on kg0.75 gave the best fit to the data with the following regression equations: Expt A + B: RN, g/d = 1.48 LW, kg0.75 - 0.027 LW, kg1.50 (HBV) Maximum = 20.5 g RN/d at 84 kg LW Expt B: RN, g/d = 1.03 LW, kg0.75 - 0.013 LW, kg1.50 (LBV) Maximum = 20.4 g RN/d at 133 kg LW",
keywords = "Animal Feed, Animals, Male, Nitrogen, Swine",
author = "G Thorbek and S Henckel and Andr{\'e} Chwalibog and Eggum, {B O}",
year = "1987",
month = oct,
language = "English",
volume = "37",
pages = "869--80",
journal = "Archiv fur Tierernahrung",
issn = "0003-942X",
publisher = "Akademie Verlag",
number = "10",

}

RIS

TY - JOUR

T1 - Studies on nitrogen retention in growing pigs

AU - Thorbek, G

AU - Henckel, S

AU - Chwalibog, André

AU - Eggum, B O

PY - 1987/10

Y1 - 1987/10

N2 - Nitrogen retention (RN) was measured in 60 barrows of Danish Landrace and a total of 470 balance periods was carried out during the growth period from 20 to 85 kg live weight. In the first serie (Expt A) six different feed compounds of high biological value (HBV) were fed to 48 barrows, while in the second serie (Expt B) 12 barrows were measured on feed compounds of HBV or low biological value (LBV). Three different levels of gross energy were used in Expt B. Individual differences of 10-20% in the pigs capability for nitrogen retention were observed. Nitrogen retention increased from 12 to 21 g N/d on the HBV-compounds and was not influenced by increasing nitrogen or energy intake. Nitrogen retention was curvilinear in relation to metabolic live weight (kg0.75) in both series. A parabolic function on kg0.75 gave the best fit to the data with the following regression equations: Expt A + B: RN, g/d = 1.48 LW, kg0.75 - 0.027 LW, kg1.50 (HBV) Maximum = 20.5 g RN/d at 84 kg LW Expt B: RN, g/d = 1.03 LW, kg0.75 - 0.013 LW, kg1.50 (LBV) Maximum = 20.4 g RN/d at 133 kg LW

AB - Nitrogen retention (RN) was measured in 60 barrows of Danish Landrace and a total of 470 balance periods was carried out during the growth period from 20 to 85 kg live weight. In the first serie (Expt A) six different feed compounds of high biological value (HBV) were fed to 48 barrows, while in the second serie (Expt B) 12 barrows were measured on feed compounds of HBV or low biological value (LBV). Three different levels of gross energy were used in Expt B. Individual differences of 10-20% in the pigs capability for nitrogen retention were observed. Nitrogen retention increased from 12 to 21 g N/d on the HBV-compounds and was not influenced by increasing nitrogen or energy intake. Nitrogen retention was curvilinear in relation to metabolic live weight (kg0.75) in both series. A parabolic function on kg0.75 gave the best fit to the data with the following regression equations: Expt A + B: RN, g/d = 1.48 LW, kg0.75 - 0.027 LW, kg1.50 (HBV) Maximum = 20.5 g RN/d at 84 kg LW Expt B: RN, g/d = 1.03 LW, kg0.75 - 0.013 LW, kg1.50 (LBV) Maximum = 20.4 g RN/d at 133 kg LW

KW - Animal Feed

KW - Animals

KW - Male

KW - Nitrogen

KW - Swine

M3 - Journal article

C2 - 3442477

VL - 37

SP - 869

EP - 880

JO - Archiv fur Tierernahrung

JF - Archiv fur Tierernahrung

SN - 0003-942X

IS - 10

ER -

ID: 44504269