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Article published the August 12, 2022
There has been much research recently to refine broiler requirements for calcium (Ca) and phosphorus (P), especially since the routine inclusion of phytase in broiler diets (Li et al., 2016). Phosphorus and Ca play significant roles in bone metabolism and vitamin D is also pivotal to maintaining bone integrity through the modulation of Ca metabolism (Li et al., 2017). The broiler requirement for v ...
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Article published the May 5, 2022
Understanding the dynamics of calcium (Ca) and phosphorus (P) metabolism is an important consideration when evaluating the requirements for both nutrients. Much more is known about the control of Ca than P metabolism (Li et al., 2017). Calcium elimination from the body is primarily through faeces, both unabsorbed dietary Ca and endogenous Ca. Kidney Ca elimination is controlled by endocrine factor ...
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Article published the May 5, 2022
Phytase supplementation of broiler diets can improve energy, amino acid, calcium (Ca) and phosphorus (P) utilization. Both fungal- and bacterial-derived phytases are commonly added to broiler diets. Phytases from different sources and even from the same source can have different pH optima, heat stability, and catalytic properties (Dersjant-Li et al, 2015). Furthermore, when different microbial phy ...
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Article published the March 22, 2022
Probiotics are showing promise as antibiotic replacements but more scientific evidence is required to validate their beneficial effects. Previous broiler feed trials conducted with Bacillus amyloliquefaciens strain H57 (H57) indicated variable bird performance (Bajagai, 2018). In these trials, birds were kept under “optimal” experimental conditions, where most of stressors were absent ...
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Article published the January 4, 2022
The villi of the intestinal mucosa are lined by a single layer of columnar cells, comprising enterocytes, goblet and enteroendocrine cells, and various types of immune cells, each with a distinct function. Chicken gut mucosa is exposed to an enormous number of feed antigens, and pathogenic bacteria that often impair the intestinal barrier function. Ultrastructural examination of enterocytes, their ...
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Article published the April 26, 2021
I. INTRODUCTIONThe first Australian Poultry Science Symposium (APSS) occurred in February 1989 and has continued annually at that time, since then. Until 2016, APSS was held at the University of Sydney but is now held in a prestigious Sydney hotel. This year, 2019 marks the 30th occasion on which APSS has been held but it is 31 years since the inaugural meeting. The discrepancy occurs because the ...
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This member gave a presentation on May 28, 2013
At the following event:
ISM-MycoRed International Conference Europe 2013
Article published the December 30, 2011
Insulin resistance in horses is a complex pathophysiological condition that appears to underlie several chronic conditions often encompassed by the term "equine metabolic syndrome", including laminitis, obesity and hyperkalemic periodic paralysis (Geor and Frank, 2009). There is much interest in the effect of insulin on bone metabolism, as the skeleton is increasingly regarded as an endocrine orga ...
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Article published the December 22, 2011
Insulin resistance is becoming more prevalent among horses worldwide and is associated with a range of metabolic disturbances (Geor and Frank, 2009). Nutrition has a major impact on insulin kinetics and metabolism (Schmidt and Hickey, 2009), but most research has concentrated on the effect of dietary carbohydrate on insulin metabolism and much less emphasis has been placed on the effects of dietar ...
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Article published the May 11, 2011
Equine Amnionitis and Foetal Loss (EAFL) was first described in 2004 following an outbreak of abortions in mares that had an unusual and consistent pattern of clinical and pathological signs. Examination of reports for all equine abortion cases that involved submission of diagnostic material to the Scone Veterinary Diagnostic Laboratory between March and October 2004 indicated that EAFL was the mo ...
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Location:Brisbane, Queensland, Australia
Profile: Academic / scientific
Occupation: Agricultural Engineer
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