Tropical Animal Health and Production

, Volume 41, Issue 7, pp 1133–1142 | Cite as

Feed supplementation prevents post-conception decline in milk progesterone concentrations associated with production stress in dairy buffaloes (Bubalus bubalis)

  • Sarzamin Khan
  • Muhammad Subhan Qureshi
  • Nazir Ahmad
  • Muhammad Amjed
  • Muhammad Younas
  • Altafur Rahman
Original Paper


The onset of pregnancy may be associated with hormonal changes and decline in milk yield of buffaloes. To investigate this, forty lactating buffaloes from 1st to 23rd weeks post-conception were selected. The animals were assigned to three treatments: PRT, PRS, NPRT and three milk yielding groups HMY, 66 to 75 l/week, n = 12; MMY, 56 to 65 l/week, n = 16; LMY, 46 to 55 l/week, n = 12). Milk samples were collected on alternate weeks and analyzed with ultrasonic milk analyzer. EIA was used for milk progesterone concentrations. Group means were compared and correlation analysis was conducted. Progesterone concentrations increased in almost similar pattern with the advancing weeks post-conception. The high and low yielder showed greater progesterone concentrations in the supplemented than the animals on traditional ration (P < 0.001). Progesterone concentrations correlated positively with fat (%), negatively with milk yield, protein (%) and lactose (%). Decline in milk yield became drastic when progesterone concentrations rose above 6.44 ng/ml. The pregnant animals on traditional ration exhibited a sharper decline in milk yield with the increasing progesterone concentrations as compared to pregnant animals with supplemented ration. It is concluded that concentrates supplementation induced a raise in progesterone levels. Progesterone concentrations and milk yield showed an inverse relationship.


Progesterone Pregnancy Milk yield Feed supplementation Dairy buffaloes 



Pregnant-ration traditional


Pregnant-ration supplemented


Non-pregnant- ration traditional


High milk yielder


Moderate milk yielder


low milk yielder


Enzyme immunoassay


Milk progesterone level



Financial sponsorship of the Higher Education Commission, Islamabad Pakistan made conduction of this investigation possible which is highly acknowledged. Prof. Dr.Pegham Shah assisted in management and analysis of the data. Mr.Kamran Safder provided experimental animals at his commercial buffalo dairy farm, which is highly acknowledged. Mr.Muhammad Nawaz assisted us in traveling to the experimental stations.


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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Sarzamin Khan
    • 1
  • Muhammad Subhan Qureshi
    • 1
  • Nazir Ahmad
    • 1
  • Muhammad Amjed
    • 1
  • Muhammad Younas
    • 2
  • Altafur Rahman
    • 1
  1. 1.Faculty of Animal Husbandry and Veterinary SciencesNWFP Agricultural UniversityPeshawarPakistan
  2. 2.Department of Livestock ManagementUniversity of Agriculture FaisalabadFaisalabadPakistan

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