The annual cycle of antler growth … In some cases it’s a bit later but not too often much earlier in its life. Antler growth of male fawns, or “button bucks,” is generally noticeable at 4 to 5 months of age by the presence of “buttons.” At 1-1/2 years of age (yearlings), males grow their first noticeable antlers, which can range in size from spikes to 10 or more antler points. Tagged as: As expected this buck expressed his greatest leap in growth between the ages of 2.5 and 3.5 years old. As a general rule, though, large antlers come with big bodies and old age. Some bucks are homebodies, staying in their 300 to 400 acre home range throughout the year. The old saying that “you are what you eat” is also true for antler growth. What if Shaq had only eaten twinkies throughout his career? Antler growth will always be shrouded in some level of mystery. Consult the feed tag on this package for specific feeding directions. The frequency of abnormal points increases with age, and are rarely seen at 1 and 2 years of age. Abnormalities include kicker points projecting laterally from a tine or beam, drop tines projecting downward from a main beam, extra main beams, palmation of the main beam or between tines, and clustered tines. Stages of antler growth.A) one day after antler shed,B) 15 days after shed, scab still attached,C) 30 days after shed, scab is shed (A, B, C same animal),D) about three months after shed by different animal,E) about five months after shed antler growth is completed, with one additional month used to complete hardening and drying of velvet (D and E same animal), andF) hardened antler with shreds of dried velvet on a third animal. This means that you can probably predict the age of a deer by how large the antlers are. In March of 2014 I made a trip to Texas to pick up 100 jugs of Mass XL for the 2014 season. In the chondroprogenitor region these young cells begin to differentiate into chondrocytes and to form the columnar structure characteristic of cartilage and bone. It is worth noting that 2012 to 2013 was a relatively dry year on the Strip, which may help explain the buck in the above images relative lack of additional growth from 2011 to 2013. The factors that dictate year to year growth are the age of the animal, its genetic makeup, and its nutritional intake. Well after the breeding season, cells called osteoclasts de-mineralize the bone along an abscission line where the pedicle meets the antler. Center, Division Nutrition is the third factor that influences antler growth. The enlarged and columnar chondrocytes then begin the process of mineralization. His body weight at death was 130 pounds and his antlers were 105 inches. Although the antlers are regrown each year, their size varies with the age of the animal in many species, increasing annually over … Mule deer bucks too do not achieve maximum antler growth until they are 6 to 8 years. We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by the law. Animals that tend to roam far and wide put themselves through more stress each fall than do the relative homebodies. Mule deer females usually give birth to two fawns, although if it is their first time having a fawn, they often have just one. In addition, lab aging allows me to see patterns in peak antler growth in different states and units. Bucks with their first set of antlers are the easiest to age. Home Uncategorized mule deer antler growth by age. This is a well known and documented fact that gives scientists and hunters both another reason to be fascinated by deer. As detailed in this article on this website, you can't depend solely on antler size when visually aging bucks. X-ray of cross sections at the antler base showshows the range of variation in relative amount of spongy (dark center) and compact bone.A) average composition,B) minimal spongy bone, andC) maximal spongy bone. There is one more factor that should be considered with regard to antler growth: individual variation. Antlers grow rapidly from their pedicle (base) while in velvet during the spring and summer, as fast as 3/4 inch/week for yearlings and 1 1/2 inches per week for adults during peak growth (Jacobson and Griffin 1983).
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