NDLI: Oats (Avena strigosa) as winter forage for dairy cows in Vietnam: an on-farm study

Content Provider	Springer Nature Link
Author	Salgado, Paulo Thang, Vu Q. Thu, Tran V. Trach, Nguyen X. Cuong, Vu C. Lecomte, Philippe Richard, Didier
Copyright Year	2012
Abstract	In North Vietnam, during winter, alternative forage resources are needed to balance the feed ration of dairy cows. The objective of this study was to investigate the effect of oat forage as a component of traditional winter roughage diets on feed intake, milk production and feeding cost in dairy cows. The study was conducted on-farm using 24 mid-lactation Holstein–Friesian cows. The feeding experiment consisted of two successive periods and two dietary treatments per period. Traditional basal diets included fresh tropical grasses, maize silage and hay. The oat forage had no effect on the dry matter intake of the basal diet, but the total crude protein intake was higher in cows fed with oat diets than in those fed with control diets. The yield of butterfat-corrected milk (FCM) was not significantly different between diets during period 1, but there was a trend (P = 0.078) of higher FCM yields in cows fed with the oat diet compared to those with control diet during period 2 (17.3 vs. 16.3 kg/day). The decline rate in milk yield was significantly higher (P < 0.001) in cows fed with control diets than in those fed with oat diets in both experimental periods. The total feeding cost of cows fed with oat diets was on average 12 % lower than those fed with control diets (P < 0.01). So, the oat forage is an important winter resource for cows in North Vietnam allowing higher milk yield whilst reducing feeding cost, compared to traditional roughage diets.
Starting Page	561
Ending Page	568
Page Count	8
File Format	PDF
ISSN	00494747
Journal	Tropical Animal Health and Production
Volume Number	45
Issue Number	2
e-ISSN	15737438
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-09-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dairy cows feeding Avena strigosa Milk yield Feeding cost Zoology Veterinary Medicine
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Food Animals

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