Effect of age and lactation on milk fatty acid profile in dairy buffaloes

Muhammad Qureshi, Anila Mushtaq, Shaista Jan, Inyat-ur Rahman

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Milk quality has been an issue of public health concern, and changes occur in milk composition with the changing physiological and management states. An experiment was conducted to investigate changes in milk yield and fatty acid profile with advancing age and lactation stage in dairy buffaloes. A total of 12 multiparous lactating dairy buffaloes were divided into two groups: younger (1-4 lactation number) and mature (810 lactation number) having six animals in each one, which were further subdivided into early (1-3 months) and late (7-10 months) lactation stage. All the buffaloes were stall fed, had access to green fodders ad libitum and received concentrate mixture at the rate of 1 kg/2 lit of milk production. The experiment continued for six weeks starting from November until mid December 2009. Milk samples were collected weekly for analysis of the fatty acid profile. Saturated FAs (SFAs) had the highest concentration out of the total milk fatty acids and averaged about 70.41 g/100 g ranging from 64.96 to 78.83 g/100 g. The concentrations of C14:1, C16:1 and C18:3 were significantly (P<0.05) higher in younger buffaloes while C18:1cis, Medium chain fatty acids (MCFA) and long chain fatty acids (LCFA) were higher in older ones (P<0.05). The ratio of Δ9 desaturase activity was significantly (P<0.05) higher in younger animals (0.11) compared to older (0.07) while it was not affected by lactation stage. It was concluded that the milk fatty acid quality was better in younger animals at early lactation.
Original languageEnglish
Pages (from-to)275-283
Number of pages9
JournalBuffalo Bulletin
Volume34
Issue number3
Publication statusPublished - Sep 2015

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