Effect of calf age and dam breed on intake, energy expenditure, and excretion of nitrogen, phosphorus, and methane of beef cows with calves.

Estermann, B L; Sutter, F; Schlegel, P O; Erdin, D; Wettstein, H R; Kreuzer, M

Estermann, B L; Sutter, F; Schlegel, P O; Erdin, D; Wettstein, H R; Kreuzer, M.

Affiliation

Estermann BL; Institute of Animal Sciences, Animal Nutrition, Swiss Federal Institute of Technology (ETH), Zurich.

J Anim Sci ; 80(4): 1124-34, 2002 Apr.

Article in En | MEDLINE | ID: mdl-12002321

Subject(s)

Cattle/metabolism; Energy Metabolism/physiology; Methane/metabolism; Nitrogen/metabolism; Phosphorus/metabolism; Age Factors; Animals; Breeding; Cattle/genetics; Energy Intake/physiology; Feces/chemistry; Female; Male; Manure/analysis; Urinalysis

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Database: MEDLINE Main subject: Phosphorus / Cattle / Energy Metabolism / Methane / Nitrogen Type of study: Health_economic_evaluation Language: En Journal: J Anim Sci Year: 2002 Type: Article

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