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

Content Provider	Springer Nature Link
Author	Khan, Sarzamin Qureshi, Muhammad Subhan Ahmad, Nazir Amjed, Muhammad Younas, Muhammad Rahman, Altafur
Copyright Year	2008
Abstract	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.
Starting Page	1133
Ending Page	1142
Page Count	10
File Format	PDF
ISSN	00494747
Journal	Tropical Animal Health and Production
Volume Number	41
Issue Number	7
e-ISSN	15737438
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-12-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Progesterone Pregnancy Milk yield Feed supplementation Dairy buffaloes Zoology Veterinary Medicine
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology Food Animals

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

Milk composition and yield changes with advancing pregnancy in dairy buffaloes (Bubalus bubalis)

Milk composition and yield changes with advancing pregnancy in dairy buffaloes (Bubalus bubalis)

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

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