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Cattle Boards
Health & Nutrition
Effects of feeding soyhulls on developing heifers.
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<blockquote data-quote="Lucky_P" data-source="post: 1275675" data-attributes="member: 12607"><p>Activity of phytoestrogens is variable - some are evidently more 'potent' than others. </p><p>That said, the amount of estrogenic compounds absorbed from the GI tract is a miniscule fraction of what's actually ingested. </p><p></p><p>Just like all the hoopla/hysteria over 'hormones' in beef from implanted steers... about 1.9 nanograms of estrogenic activity per 3-4 oz. serving... but beef(think hamburger) from an intact cow or heifer has about 75X that amount... but both pale in comparison to the over 1,000,000 nanograms of estrogen in 3oz of soybean oil. </p><p>Folks who blame beef for obesity,early puberty in kids, and 'cancer' are barking up the wrong tree.</p></blockquote><p></p>
[QUOTE="Lucky_P, post: 1275675, member: 12607"] Activity of phytoestrogens is variable - some are evidently more 'potent' than others. That said, the amount of estrogenic compounds absorbed from the GI tract is a miniscule fraction of what's actually ingested. Just like all the hoopla/hysteria over 'hormones' in beef from implanted steers... about 1.9 nanograms of estrogenic activity per 3-4 oz. serving... but beef(think hamburger) from an intact cow or heifer has about 75X that amount... but both pale in comparison to the over 1,000,000 nanograms of estrogen in 3oz of soybean oil. Folks who blame beef for obesity,early puberty in kids, and 'cancer' are barking up the wrong tree. [/QUOTE]
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Effects of feeding soyhulls on developing heifers.
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