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

Salgado Paulo, Thang Vu Q., Thu Tran V., Trach Nguyen X., Cuong Vu C., Lecomte Philippe, Richard Didier. 2013. Oats (Avena strigosa) as winter forage for dairy cows in Vietnam: an on-farm study. Tropical Animal Health and Production, 45 (2) : pp. 561-568.

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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 (P0 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. (Résumé d'auteur)

Mots-clés Agrovoc : Vache laitière, Avena, Fourrage, Hiver, Régime alimentaire, Rendement laitier, Analyse des coûts, Consommation alimentaire (animaux)

Mots-clés géographiques Agrovoc : Viet Nam

Mots-clés complémentaires : Avena strigosa

Classification Agris : L02 - Animal feeding
L52 - Animal physiology - Growth and development
L51 - Animal physiology - Nutrition
E16 - Production economics

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Salgado Paulo, CIRAD-ES-UMR SELMET (REU)
  • Thang Vu Q., Hanoï University of Agriculture (VNM)
  • Thu Tran V., National Institute of Animal Sciences (VNM)
  • Trach Nguyen X., Hanoï University of Agriculture (VNM)
  • Cuong Vu C., National Institute of Animal Sciences (VNM)
  • Lecomte Philippe, CIRAD-ES-UMR SELMET (FRA) ORCID: 0000-0003-1040-7886
  • Richard Didier

Source : Cirad - Agritrop (

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