Comparison of ad libitum grain and restricted roughage feeding with conventional dairy cattle feeding practices

Olson, H.H.; Reed, A.; Benson, H.; Stewart, L.D.; Dahncke, M.L.

Journal of Dairy Science 48: 1398-1400


ISSN/ISBN: 0022-0302
DOI: 10.3168/jds.s0022-0302(65)88477-6
Accession: 014390747

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In one trial control cows were given hay of lucerne and grass to appetite, 3 kg maize silage per 100 kg bodyweight and 1 kg concentrate per 3.5 kg fat-corrected milk (FCM). An experimental group got 1 kg roughage per 100 kg bodyweight and concentrate to appetite. In a second trial the entire lactating herd of Jersey, Guernsey and Holstein cows given hay of lucerne and grass and concentrate, all to appetite, were studied. In the first trial intakes of total digestible nutrients (TDN) and of estimated net energy were similar for both groups. Daily production of FCM was similar also. When both concentrate and roughage were given to appetite cows preferred the concentrate and intake of TDN by all breeds was greater than requirement.