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Article published the September 23, 2022
I. INTRODUCTION The recognition in the late 1960’s that excessive growth rates in broiler breeders were negatively impacting rate of lay and increasing production of unsettable eggs (Jaap and Muir, 1968) has been one of the most transformative events in the history of the hatching egg industry. The resultant feed restriction programs during rearing resolved the issue at the time. But continu ...
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Article published the June 10, 2021
INTRODUCTIONGenetic selection programs emphasizing broiler growth, breast muscle deposition, and feed efficiency traits over the past 30 yr have led to a rate of change that has not slowed (Havenstein et al., 2003a,b). Photostimulation (PS) age, feed allocation, and BW profile of the maturing pullet can all effect nutrient partitioning between growth and ovary development (Robinson et al., 2007). ...
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This member gave a presentation on February 10, 2021
At the following event:
32nd Annual Australian Poultry Science Symposium
Article published the July 25, 2019
INTRODUCTIONAwareness about the importance of maternal diet on offspring health is increasing. Maternal nutrition is being studied in livestock species as a way of improving offspring growth and production (Rehfeldt et al., 2011; Long et al., 2012; van Emous et al., 2015b). The poultry industry is constantly working to increase carcass yield and obtain a fast growing broiler, and manipulation of m ...
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Participation in Forum on February 21, 2019
Robert Serwanga, there is much less benefit to separation by size in other stocks because feed access is a non-competitive issue. Leghorns do not have competition for feed the way broiler breeders do, so the advantage of size in interactions during feeding are negated. For broilers, straight run flocks may have more weight variation than sexed flocks due to difference between male and female growt ...
Participation in Forum on February 11, 2019
Robert Huggins, I would agree that there can be value in sorting your flock, but this is not an option for many farms. When available, the benefit will be particularly noticeable in birds at the smaller end of the weight spectrum.
Participation in Forum on February 8, 2019
Roberto Ricagno, you bring up a very relevant point with the target weights. What I tend to see is that the smaller birds in your population suffer the most from insufficient access to feed (as a result of competition, energetic inefficiency, poor uniformity etc), while the larger birds in the population are less negatively affected. Our work on breeders in the 90's would have been on strains with ...
Robert Renema likes this technical article:
Introduction A common human propensity is to regard all microorganisms as “harmful”, in particular, equating bacteria to pathogenic germs. Nothing could be further from the truth. The number of beneficial bacterial species far exceeds the number of pathogenic species and many of the known bacteria are in fact useful or even indispensable for the continued existence of life on Earth. ...
This member gave a presentation on August 9, 2018
At the following event:
Broiler Feed Quality Conferences
This member gave a presentation on August 8, 2018
At the following event:
Broiler Feed Quality Conferences
equalizer Statistics: Articles(4)Forums(4)
Location:Edmonton, Alberta, Canada
Profile: Professional
Professional Title: Producer Programs Manager
Participations in events: