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Tennessee Hunting Forums
Quality Deer Management
Looking for buck high-grading
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<blockquote data-quote="BSK" data-source="post: 5654203" data-attributes="member: 17"><p>TheLBLman and I have written quite a bit about buck high-grading, where the largest antlered middle-aged bucks get killed by hunters, leaving only the smaller-antlered middle-aged bucks to survive to maturity. One of the ways I look for that in data is to look at the percent of 3 1/2 and mature (4 1/2+) bucks by antler point counts, especially looking for the percent of these age-class bucks with 9 or more points, as well as 6 or fewer points. When the percent of bucks in these age-classes with 9 or more points begins to fall, and the percent with 6 or fewer points begins to climb, high-grading is usually the culprit (as long as nutrition hasn't declined dramatically).</p><p></p><p>I was breezing through the data from my own property, and the percent of 3 1/2 and 4 1/2+ year-old bucks with 9 or more points looked good (see first graph below). A dip in these numbers occurred around 2017, but since then, the numbers aren't bad at all. For the region, 50+% of mature bucks with 9 or more points is excellent.</p><p></p><p>However, then I looked at the percent of those age bucks with 6 or fewer points (second graph below). Uh oh... Any time the percent of 4 1/2+ year-old bucks with 6 or fewer points is <strong>HIGHER</strong> than that for 3 1/2 year-old bucks, something is up. Something is happening between 3 1/2 and 4 1/2+ that is increasing the percent of mature bucks with 6 or fewer points. The graph indicates two period this occurred: 2009-2012 and 2015-2017. Is this high-grading? Probably. What is more worrying is the steady increase in percentage of 3 1/2 year-olds that have 6 or fewer points 2016 onwards, which is continuing to increase. Now the ultimate result - reduced high point count mature bucks - is not being seen. We are peaking in 9 or more point mature bucks. But the 6 or fewer data is troubling and a harbinger of a potential problem.</p></blockquote><p></p>
[QUOTE="BSK, post: 5654203, member: 17"] TheLBLman and I have written quite a bit about buck high-grading, where the largest antlered middle-aged bucks get killed by hunters, leaving only the smaller-antlered middle-aged bucks to survive to maturity. One of the ways I look for that in data is to look at the percent of 3 1/2 and mature (4 1/2+) bucks by antler point counts, especially looking for the percent of these age-class bucks with 9 or more points, as well as 6 or fewer points. When the percent of bucks in these age-classes with 9 or more points begins to fall, and the percent with 6 or fewer points begins to climb, high-grading is usually the culprit (as long as nutrition hasn't declined dramatically). I was breezing through the data from my own property, and the percent of 3 1/2 and 4 1/2+ year-old bucks with 9 or more points looked good (see first graph below). A dip in these numbers occurred around 2017, but since then, the numbers aren't bad at all. For the region, 50+% of mature bucks with 9 or more points is excellent. However, then I looked at the percent of those age bucks with 6 or fewer points (second graph below). Uh oh... Any time the percent of 4 1/2+ year-old bucks with 6 or fewer points is [B]HIGHER[/B] than that for 3 1/2 year-old bucks, something is up. Something is happening between 3 1/2 and 4 1/2+ that is increasing the percent of mature bucks with 6 or fewer points. The graph indicates two period this occurred: 2009-2012 and 2015-2017. Is this high-grading? Probably. What is more worrying is the steady increase in percentage of 3 1/2 year-olds that have 6 or fewer points 2016 onwards, which is continuing to increase. Now the ultimate result - reduced high point count mature bucks - is not being seen. We are peaking in 9 or more point mature bucks. But the 6 or fewer data is troubling and a harbinger of a potential problem. [/QUOTE]
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Looking for buck high-grading
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