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Tennessee Hunting Forums
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@BSK…fawns per doe?
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<blockquote data-quote="BSK" data-source="post: 5377209" data-attributes="member: 17"><p>Looking at fetal counts - in any location - adult females start out averaging 1.78 fetuses per doe. However, through fetal loss or reabsorption, fawns per doe are generally down to about 1.5 per adult doe at birth. How many of those fawns survive to 6 months of age is termed the "recruitment rate," and is measured as a percentage. 100% recruitment would mean that for every 10 does, there are 10 surviving fawns. I remember the days in TN when it was common to see recruitment rates of 100-120% (10 to 12 fawns per 10 adult does). However, since the 2000s, fawn recruitment rates across the Southeast have declined dramatically. No one knows why. Most blame coyotes, but to be honest, coyotes have been widespread across the Southeast since at least the late 1980s. Now, fawn recruitment rates of 35-60% are more common in the Southeast. Basically, half of what they used to be. This is a serious concern, as hunters - combined with all forms of mortality - can only take the number of adult deer that are replaced by the fawn crop and still keep the population stable. Take more adults than can be replaced by fawns being recruited into the adult population and total population declines.</p></blockquote><p></p>
[QUOTE="BSK, post: 5377209, member: 17"] Looking at fetal counts - in any location - adult females start out averaging 1.78 fetuses per doe. However, through fetal loss or reabsorption, fawns per doe are generally down to about 1.5 per adult doe at birth. How many of those fawns survive to 6 months of age is termed the "recruitment rate," and is measured as a percentage. 100% recruitment would mean that for every 10 does, there are 10 surviving fawns. I remember the days in TN when it was common to see recruitment rates of 100-120% (10 to 12 fawns per 10 adult does). However, since the 2000s, fawn recruitment rates across the Southeast have declined dramatically. No one knows why. Most blame coyotes, but to be honest, coyotes have been widespread across the Southeast since at least the late 1980s. Now, fawn recruitment rates of 35-60% are more common in the Southeast. Basically, half of what they used to be. This is a serious concern, as hunters - combined with all forms of mortality - can only take the number of adult deer that are replaced by the fawn crop and still keep the population stable. Take more adults than can be replaced by fawns being recruited into the adult population and total population declines. [/QUOTE]
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@BSK…fawns per doe?
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