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Bacterial Chondronecrosis with Osteomyelitis in Broilers: Influence of Sire and Sex-separate Rearing
Two experiments at the University of Arkansas reveal a significant effect of sire line on the incidence of the leg condition, bacterial chondronecrosis with osteomyelitis (BCO) in broilers, especially after six weeks of age. Rearing the sexes separately...
Benefit of Swimming Access to Behaviour, Body and Plumage Condition and Heat Stress Effect of Local Ducks
This study from Indonesia indicates that access to water for swimming improves the conditions for ducks but there was no advantage in terms of egg production over other systems without such access to water....
European Poultry Conference Explores Challenging Welfare Issues
Welfare issues of modern broilers and laying hens were among the topics discussed at the recent European Poultry Conference, reports Dawn Scholey of Nottingham Trent University for ThePoultrySite. ...
Effect of Range Enrichment on Performance, Behaviour and Forage Intake of Free-range Chickens
Although there was no difference in bird performance, range enrichment in the form of olive trees was found to be beneficial for poultry in this experiment in Italy. Mortality was lower and the birds ranged further, ate more forage and had fewer injuries...
Effect of Arginine Supplementation of Broiler Breeder Hens on Progeny Performance
This Brazilian work reveals that supplementation of the broiler breeder diet with the amino acid, arginine, had little effect on the progeny but there were benefits in terms of improved performance, meat yield and bone strength with higher arginine levels...
Lameness Better Predicts Broiler Performance in Mobility Tests Than Other Bird Characteristics
According to Bristol University researchers, reduced mobility in broilers is closely linked to lameness (as assessed by gait score) and not to other bird factors such as weight. Affected birds may be experiencing pain or discomfort. ...
One Producer's Journey to Next Generation of Layer Housing
A Canadian egg producer explains the challenges and rewards of building a furnished cage system for his organisation's hens....
What Could Cause Feathers to Fall out of Chickens?
There are several possible causes for feather loss, explains the US National Sustainable Agriculture Information Service. ...
Research Examines Impact of Stocking Density in Enriched Colony Cages
Researchers at Michigan State University found minimal differences in measures of production and well-being at the various stocking densities, from 464 to 929 square centimetres per bird during the period of 17 to 69 weeks of age, and suggest that future...
Effects of Broiler Production System on Health Care Costs
A Wageningen University study found differences in health costs between farms in the Netherlands but they were unable to identify any significant effects of the broiler production system on these costs, which were very low compared to other expenses such...
Performance of Broiler Breeder Females from 1980 and 2000 under Different Feeding Regimes
Research from Israel shows that for broiler breeder females, threshold bodyweight for entry into lay is primarily a matter of lean body mass rather than body fat content. Overfeeding was confirmed to affect adversely reproductive performance....
Bone Characteristics and Femoral Strength in Commercial Tom Turkeys
Reducing the energy and protein levels in the diet of male turkeys to 60 per cent of NRC recommendations improved both the strength and quality of the leg bones in a Michigan State University experiment. Bone length and ash content were not different...
Effects of Light Stimulation During Incubation on Behaviour, Melatonin Levels and Productivity of Broilers
Results from the University of California-Davis indicate that 12 hours of light provided during incubation can have long-lasting effects on chick behaviour although the mechanism for this effect is unclear....
Incidence of Gastrocnemius Tendon Rupture in Broilers
More tendon ruptures were observed in broilers reared during cooler months in this US trial, which the researchers attributed to the use of a growth promoter resulting in heavier bodyweights....
Determination of Space Use by Laying Hens
Researchers at the University of California, Davis, have assessed the amount of space a hen needs to carry out basic behaviour, including standing up, lying down, turning around and wing-flapping....
 
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