Tropical Animal Health and Production

, Volume 49, Issue 4, pp 829–833 | Cite as

On-farm feeding interventions to increase milk production in lactating dairy cows

  • Metha Wanapat
  • Suban Foiklang
  • Kampanat Phesatcha
  • Chainarong Paoinn
  • Thiwakorn Ampapon
  • Thitima Norrapoke
  • Sungchhang Kang
Regular Articles


The objective of this study was to investigate the effect of tropical legume (Phaseolus calcaratus) mixed with ruzi grass feeding on the performance of lactating dairy cows. Eighty-eight lactating dairy cows from 22 smallholder dairy farms northeast of Thailand were assigned to respective dietary treatments according to a Randomized Completely Block Design (RCBD). Four cows were selected from each farm and were allocated into two different feeding groups as follows: ruzi grass and P. calcaratus mixed with ruzi grass (1:1 ratio), respectively. All cows were fed with roughage ad libitum with 1:2 ratio of concentrate diet to milk yield. The results revealed that total dry matter intake, ruminal volatile fatty acids, and ammonia nitrogen concentration were enhanced when cows were fed with P. calcaratus mixed with ruzi grass (P < 0.05). Moreover, feeding tropical legume mixed with ruzi grass could increase milk production and milk protein in this study. Importantly, an economical assessment showed that milk income and the profit from milk sale were significantly greater in cows fed the mixture of roughage than those from the non-mixed group. This study concluded that high-quality roughage as tropical legume mixed with ruzi grass at the ratio of 1:1 brought out the remarkable and practical implementation for smallholder dairy farms, and the intervention was practical and deserving of more on-farm intervention.


Phaseolus calcaratus High-quality roughage Milk production Dairy crossbreeds Smallholder dairy farms 



The authors are grateful for Tropical Feed Resources Research and Development Center (TROFREC), Dairy Farming Promotion Organization of Thailand (DPO)-North East and smallholder dairy farmers for providing the financial and facilities support of the research. The support of the International Research Network (IRN) is gratefully acknowledged.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Ethical guideline

All applicable international, national, and/or institutional guidelines for the care and use of animals were followed.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Springer Science+Business Media Dordrecht 2017

Authors and Affiliations

  • Metha Wanapat
    • 1
  • Suban Foiklang
    • 2
  • Kampanat Phesatcha
    • 1
  • Chainarong Paoinn
    • 3
  • Thiwakorn Ampapon
    • 1
  • Thitima Norrapoke
    • 4
  • Sungchhang Kang
    • 5
  1. 1.Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of AgricultureKhon Kaen UniversityKhon KaenThailand
  2. 2.Animal Science and TechnologyMaejo UniversityChiang MaiThailand
  3. 3.Dairy Farming Promotion Organization of Thailand, Northeast Region (DPO)Khon KaenThailand
  4. 4.Department of Animal Production Technology, Agro-Industrial TechnologyKalasin UniversityKalasinThailand
  5. 5.National Institute of EducationPhnom PenhCambodia

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