Issues

Effect of Texel muscling quantitative trait locus (TM-QTL) on carcass composition and weight distribution in Texel lambs

Posted in Food quality and security, Sheep on December 1st, 2011

The effect of the Texel muscling trait on carcass weight is reflected in increased weight of all carcass areas, with no effect of the Texel muscling quantitative trait locus (TM-QTL) on weight distribution.

Effect of the Texel muscling quantitative trait locus (TM-QTL) and sex on meat quality in purebred Texel lambs

Posted in Food quality and security, Sheep on December 1st, 2011

The effects of the TM-QTL on meat quality traits for the semimembranosus muscle in purebred Texel lamb were negligible in a trail where lamb had been aged for seven or more days.

A comparison of growth and carcass characteristics of hill lambs finished on a selection of forage-based diets

Posted in Food quality and security, Sheep on December 1st, 2011

Under good grazing conditions, grazed grass is superior to high quality grass silage for finishing hill lambs during the autumn/winter.

Breed and sex effects on spine characteristics in sheep

Posted in Food quality and security, Sheep on December 1st, 2011

Spine characteristics differ between sheep breeds, indicating that there could be a genetic basis for variation

The effect of sex and chicory grazing on killing out percentage, carcass conformation and sensory meat eating quality in commercially finished lambs

Posted in Food quality and security, Sheep on December 1st, 2011

Finishing lambs on chicory resulted in heavier carcases with better killing-out percentages and conformation scores, without detrimental effects on overall sensory meat eating quality.

Effect of replacing inorganic zinc supplements with organically chelated zinc supplements on ewe and lamb performance

Posted in Animal Health, Welfare & Behaviour, Sheep on December 1st, 2011

Dietary Zn supplements for ruminants have traditionally been inorganic salts, such as zinc oxide (ZnO) or zinc sulphate (ZnSO4)

Persistency of effect of feeding milled rapeseeds to dairy cows on milk fatty acid composition

Posted in Dairy, Food quality and security on December 1st, 2011

Supplementing dairy cow diets with milled rapeseed resulted in a significant decrease in milk fat saturated fatty acid concentration, which was persistent for 70 days.

Delayed concentrate build-up on dairy cow production performance, health and fertility

Posted in Dairy, Food quality and security on December 1st, 2011

Adopting a delayed concentrate build-up strategy in early lactation improved forage intake and had no detrimental effect on production performance.

The response of grazing dairy cows to flat rate and feed-to-yield concentrate allocation strategies

Posted in Dairy, Food quality and security on December 1st, 2011

Trails in Northern Ireland have shown that concentrate allocation strategy had no effect on cow performance and that a simple ‘flat-rate’ concentrate feeding strategy is as effective as a more complex ‘feed-to-yield’ strategy.

Effect of feeding milled rapeseed on methane emission and milk fatty acid composition in dairy cows

Posted in Climate change, Dairy on December 1st, 2011

Feeding milled rapeseed as a lipid and protein supplement for lactating dairy cows reduced methane production per day, per unit of dry matter intake and per unit of milk yield.


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