The Effects of Dietary Crude Protein Level on Ammonia Emissions from Slurry from Lactating Holstein-Friesian Cows as Measured in Open-Circuit Respiration Chambers

The effect of dietary crude protein (CP) level on ammonia (NH<sub>3</sub>) emissions from slurry from lactating Holstein-Friesian cows was studied. Twenty-four-hour total collections of faeces and urine were made from 24 lactating Holstein-Friesian cows fed four total mixed rations conta...

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Bibliographic Details
Main Authors: Constantine Bakyusa Katongole, Tianhai Yan
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/12/10/1243