Body condition score as a marker of milk yield and composition in dairy animals.

A. Mushtaq, Muhammad Qureshi, Shahbaz Khan, G. Habib, Z.A. Swati, S.U. Rahman

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Abstract

Under tropical condition the BCS may influence the feed intake and metabolism leading to variation in economicparameters. This study investigated the BCS as a regulator of milk yield (MY) and composition (MC) in dairy animals.A total of 154 animals, comprising Azakheli (AZ) and Nili-Ravi (NR) buffaloes, Holstein Friesian (HF), Jersey (JC),Sahiwal (SW), Achai (AC) and crossbreds (XB) cattle and Beetal (BT) goats were selected from various public andprivate farms in NWF Province of Pakistan. MY and BCS were recorded weekly and milk samples were collected foranalysis. The experiment continued for 6 months postpartum in buffaloes and cattle and three months in goats during theyear 2008. Higher BCS was maintained by AZ, XB and HF, medium by NR and lowest by AC, SW, JC and BT. Highestyield was recorded with moderate BCS in buffaloes. BCS correlated positively with fat and protein and negatively withlactose contents. MY decreased while BCS increased with advancing lactation. MY and BCS correlated inversely. Thenegative relationship may be due to mobilization of body reserves, indicating their better genetic potential as dairybreeds. We suggest that dairy buffaloes perform well under the tropical conditions and BCS can be used as a marker forMY and quality.
Original languageEnglish
Pages (from-to)169-173
Number of pages5
JournalJournal of Animal and Plant Sciences
Publication statusPublished - 2012

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