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Browsing IBERS Research papers by Author "Fisher, William J."

Now showing items 1-7 of 7

Comparison of grass and legume silages for milk production. 1. Production responses with different levels of concentrate

Wilkins, Roger J.; Tweed, John K. S.; Fisher, William J.; Dewhurst, Richard J. (2003)

Silages prepared from pure stands of ryegrass, alfalfa, white clover, and red clover over two successive year were offered to lactating dairy cows in two feeding experiments. Proportional mixtures of all cuts prepared in ...
Effects of forage NDF content and body condition score on forage intake by Holstein-Friesian dairy cows in the dry period

Davies, D. W. Robert; Fisher, William J.; Dewhurst, Richard J. (2010-01-01)

This study used individual weekly results for 160 non-lactating Holstein-Friesian daily cows in the last 5 weeks of gestation to develop regression equations based on forage NDF content and individual body condition score ...
Effects of incorporating yellow lupins into concentrate diets compared with soya on milk production and milk composition when offered to dairy cows

Marley, Christina L.; Davies, David R.; Fisher, William J.; Fychan, Rhun; Sanderson, Ruth; Jones, Raymond; Abberton, Michael T. (2008)

An experiment investigated the hypothesis that incorporating lupins (Lupinus spp.) compared with soya bean (Glycine max) meal into concentrate diets would not alter the yield or composition of milk from dairy cows. There ...
Effects of legume silages on the concentration of alpha-linolenic acid in milk

Davies, D. W. Robert; Tweed, John K. S.; Dewhurst, Richard J.; Fisher, William J. (2002)
Effects of silage digestibility on intake and body reserves of dry cows and performance in the first part of the next lactation

Fisher, William J.; Davies, D. W. Robert; Dewhurst, Richard J. (2009-12-01)

This experiment evaluated different strategies for allocating first-cut grass silages to dry dairy cows that had low body-condition score (BCS) at drying off. A total of 48 moderately yielding Holstein-Friesian cows were ...
Reducing concentrate supplementation in dairy cow diets while monitoring milk production with pea-wheat intercrops

Fisher, William J.; Adesogan, Adegbola T.; Salawu, Mustapha B.; Dewhurst, Richard J.; Williams, S. P. (2004-10)

In the first of 2 experiments, 40 dairy cows were used to evaluate the milk production potential and concentrate-sparing effect of feeding dairy cows a basal diet of pea-wheat intercrop silages instead of perennial rye-grass ...
Rumen acid production from dairy feeds. 1. Effects on feed intake and milk production of dairy cows offered grass or corn silages

Borgida, L. P.; Dewhurst, Richard J.; Fisher, William J.; Wadhwa, D. (2001-12)

Earlier studies developed a new approach to feed evaluation, measuring the net acid load that develops during rumen fermentation. Two concentrates were formulated to be isoenergetic and isonitrogenous, with extremes of ...

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