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DL
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xx Miscallaneous Papers and Research
« Thread started on: Jun 12th, 2007, 06:17am »

http://www.isah-soc.org/documents/2004/Newman.pdf
MANIPULATING INTESTINAL MICROFLORA THROUGH NUTRITION

http://www.rirdc.gov.au/reports/CME/04-030.pdf
A review of various factors in research studies on the DIGESTIBILITY of amino acids

http://www.abc.cornell.edu/poultry/ppjan00.pdf
A look at a problem concerning calcium rationing in two flocks of a high production strain and how they resolved it. (see the section entitled: CAGE LAYER
FATIGUE AND PROLAPSE...)
...a small excerpt:
"....Particular attention should bepaid to the presence of calcium in particle form in the layer diet. The presence of calcium particle in the layer diet ensures that enough
calcium source will remain in thegizzard during the night hours when shell formation is in progress but birds do not have access to feed. The availability of calcium at the time of shell formation is expected to diminish the demand for withdrawal of calcium from the bones and this, in turn, has the potential to reduce the incidence of cage layer fatigue......"
« Last Edit: Aug 31st, 2007, 2:42pm by DL » User IP Logged

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xx Essential Oils/Med Plants and Herbs
« Reply #1 on: Nov 14th, 2007, 01:22am »

http://www.pjbs.org/ijps/fin282.pdf
Lee etal : ESSENTIAL OILS IN BROILER NUTRITION
International Journal of Poultry Science 3 (12): 738-752, 2004
Department of Nutrition, Faculty of Veterinary Medicine, Utrecht University
(excerpt)
"....Essential oils may stimulate the digestion
process. It appears that individual compounds of an essential oil have a wide range of activities and may act
in an additive, synergistic and antagonistic fashion. The effect of essential oils in poultry may not only be
confined to the microflora, but may extend to animal metabolism. Knowing the activity and effects of individual compounds is useful to formulate mixtures of compounds so as to enhance efficacy. In conclusion, dietary essential oils may be used as alternatives to antibiotics, but whether their effects on growth performance are a consequence of anti-microbial activity needs to be studied further.........
.......Essential oils are very complex mixtures of compounds and their chemical compositions and concentrations of individual compounds are variable. For example, the concentrations of two predominant components of thyme essential oils, i.e. thymol and carvacrol have been reported to range from as low as 3% to as high as 60% of total essential oils (Lawrence and Reynolds, 1984).
Cinnamaldehyde, a main principle of cinnamon
essential oil, amounts to approximately 60 to 75% of the total oil (Duke, 1986). Because of the large variation in composition, the biological effects (Schilcher, 1985;Janssen et al............if any, of essential oils may differ...................Classification of essential oils: Essential oils basically consist of two classes of compounds, the terpenes and phenylpropenes.........
.....Biological effects of essential oils disintegrated the membrane of bacteria, leading to the
In vitro anti-microbial activities of essential oils: release of membrane-associated material from the cells
Essential oils have long been recognized because of to the external medium. On the other hand,
their anti-microbial activity...............Due to this property, essential oils have gained much attention in investigations on their potential as alternatives to antibiotics for therapeutic purposes ........ For example, Lee and Ahn (1998) found that cinnamaldehyde, derived from the cinnamon essential oil, strongly inhibits Clostridium perfringens ........."

http://scholar.lib.vt.edu/theses/available/etd-08032004-160558/unrestricted/mohanthesis.pdf
PHARMACOLOGICAL SCREENING OF SOME MEDICINAL PLANTS AS ANTIMICROBIAL AND FEED ADDITIVES
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