...today's research to satisfy the markets of tomorrow. The New Zealand Society of Animal Production has been the major NZ forum for the presentation of research results on farmed animals including: sheep, cattle, dairy, deer and goats for over 50 year's. Over 520 farmers, farm advisors, veterinarians, scientists and university students are members of the Society.

2008 Contents page

BRIEF COMMUNICATION: Heritability of IGF-1 and its genetic correlation with milk yield in Holstein-Friesian cows in selected Victorian herds

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T.E. STIRLING, C.R. STOCKDALE and K.L. MACMILLAN

Proceedings of the New Zealand Society of Animal Production 68: 98-99

Insulin-like growth factor-1 (IGF-1) is a small peptide, produced mainly in the liver. It controls the growth and differentiation of many cell types through stimulation of the cell cycle (Rechler & Nissley, 1990). IGF-1 has been implicated as being involved in many biological processes and is thought to be related to milk production and reproductive potential of the dairy cow due to its association with the partitioning of nutrients among biological functions (Bauman & Currie, 1980) and its direct stimulatory affect on the ovaries (Spicer et al., 1993). ...Continued

Keywords: NZSAPAB; insulin-like growth factor-1; milk yield; heritability; genetic correlation

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Last modified: 2nd August 2008