Below is a shed found this past season and the horns from that same buck harvested a few months later. Liveweights, growth rates, and velvet antler measurements were recorded for three cohorts of red deer (Cervus elaphus L.) stags (n = 97) from 3 months to 3 years of age and for one of these cohorts (n = 36) to 5 years of age to provide benchmark data. The body uses glucosamine to manufacture glycosaminoglycans that are found in cartilage tissue. Where the antler is from a larger species, such as red deer, and is wider than the head of the stick, the traditional approach is to whittle a dowel on the first inch or two of the stick and drill a hole to match in the pith of the antler, creating a simple and surprisingly strong joint. He was now a typical 5X6. Purpose of antlers. A few months after the annual fall rut draws to a close a bull no longer needs his antlers. Over his career as the wildlife biologist at the Comanche Ranch in southwest Texas, he’d spent a lot of time and the ranch’s money on such efforts. Eat your veggies. This factor is responsible for the release of sufficient quantities of growth hormone in the body. From region to region, the span of the bell curve will change positions along the X-axis. Deer require a diet rich in protein, phosphorus, calcium vitamins. Specifically, growth centers around the changing light across seasons. Most deer reach their peak antler development between 4.5 and 7.5 years of age. Antler development is controlled by three things: age, nutrition, and genetics. When growth is complete the velvet is rubbed off and the antler is described as clean. You’d probably find more IGF-1 in a glass of milk. However, it seems likely that the influence of nutrition is mediated by hormones. Ten animals were randomly selected from each antler stage for the experiment. The amazing rate of antler growth (updated 24 March 2018) The spectacular rate at which red deer antlers regrow year on year never ceases to amaze and fascinate me. The rate of antler growth varies according to conditions, but may be as high as six centimetres (2.5 inches) per day in mature stags living in good conditions. If a spoke gets “out of whack” the tire wobbles. Male white-tailed deer will often grow "buttons" as fawns. At the end of the study, the group of rats with the deer antler velvet extract application showed a final hair length of .66cm and the control group only had a length of .22cm. What Determines a Buck’s Antler Color? Since 2014 I have been fortunate enough to observe and film two particular wild Exmoor stags closely, using a number of wildlife trail cameras that I… Read More. As you can see his antler size has made a dramatic jump since June 15, and in the next few weeks his antler growth will continue rapidly during the peak growth period of mid-June to mid-July. What Determines a Buck’s Antler Color? The control group’s hair growth was both shorter and rarer. However, the antler growth potential of these deer will vary, as the 3 1/2 year old would score about 150 inches given the chance to reach 5 1/2 years old. And an interesting fact: In most cases typical deer antlers begin growing out a buck’s head in a backward motion, then quickly change direction and sweep forward as we commonly know. Antlers elongate with a typical S-shape growth curve (Fig. Donnie Draeger used to believe in culling deer to improve antler genetics. However, factors such as date of birth and condition of the mother can affect antler development. Antler growth depends on an individual deer’s access to quality nutrition, age and genetics. Antler Growth in Bucks. The size and formation of antlers vary widely among deer in general. Antler tissue is the fastest normal growing tissue known to man. Shortly thereafter, the antler growing process begins again. (As much as 2 inches a DAY!) At this time his antlers are shed once again due to decreasing levels of testosterone. Within a month, the first tine or brow tine will have begun to form or split off. According to the researchers, the deer antler velvet contains an insulin-like growth factor, also known as IGF1. The antler’s growth cycle typically starts in spring when a buck is about age 1. The Red deer Year : August. For example, during the spring there is more daylight, which triggers an increase in testosterone. First, the idea that deer antler spray contains a meaningful amount of IGF-1 is completely ridiculous. Bucks who aren't meeting their nutritional needs may suffer from shorter, less complex antlers. His antlers served to attract and impress cows for his harem, or to fight with his competitors for the breeding rights. Good nutrition is therefore required to grow big antlers to the animal's full genetic potential. For more on the role of nutrition, see the section on Deer antler cycles The five British deer species which carry antlers replace them every year. Minerals work like spokes on the wheel of a bicycle. This is documented in the first two photos with this post. A video timelapse of a whitetail buck growing a big set of antlers throughout the summer. A mature stag may well have 12 to 15 branches (called “tines” or “points”) to his antlers; stags are often named according to the number of these points. The first step for antler growth is the pedicles, the two sites where antlers connect to the skull. The timing of the peak of IGF1 production is regulated by day length but the key factor influencing the amount of IGF1 production is nutrition. The factor responsible for stimulating antler growth is insulin-like growth factor 1 ('IGF1'). … Read More. Antler growth is extremely rapid-an adult red deer can produce a pair of antlers weighing approximately 30kg in three months, and involves both endochondral and intramembranous ossification. Some of you have seen a lot of really nice deer harvested by G.R.O clients. Deer antler terminology. Deer Antler Spray and IGF-1. Calcium, Phosphorus and Magnesium are the three most common minerals in an antler, so when choosing a mineral, make sure you’re using a complete mineral that offers all of the various minerals important for antler growth, like Antler King® Trophy Deer Mineral. Antler growth bell curves can shift to the right in regions with higher soil quality. In my June 6 and June 20 blogs I shared with you a specific buck’s antler growth (150-inch-class buck). Donnie Draeger used to believe in culling deer to improve antler genetics. Approximately a month later, the second tine (G2) will have begun to form. This was one of the greatest increases in antler growth I’ve witnessed in 40 years of photographing whitetails. Once a buck is born, the pedicle pushes up until it’s visible on the deer’s head when they’re about 4 months old. Deer … https://www.texashunterproducts.com/blog/whitetail-deer-antler-growth-process Antler growth begins by a bud forming on the pedicel. From this point on the nutrients that previously went to bone growth can be transferred to antler growth. Between age three and four the buck’s antler growth went from 122” B&C to slightly more than 164” B&C. Over his career as the wildlife biologist at the Comanche Ranch in southwest Texas, he’d spent a lot of time and the ranch’s money on such efforts. While the rate of antler growth is affected by nutrition, the actual causative mechanism is not known. Exploding Antler Growth. In fact, cells of the frontal bone begin differentiating into something called the antlerogenic periosteum in the embryonic stage. High-grading bucks on a property, however, will not change the genetics of a deer population. Antler Growth. That is over 70” of added growth between his 2nd year rack and his 3rd year rack. Instead, the removal of the best bucks merely affects the genetics of the deer that are still on hoof, the standing crop so to speak. The manufacturers of Soma Spray decided to utilize the properties of this deer antler velvet in their product and came up with a spray known as Soma Spray. Deer have no control over the growth of their antlers, instead relying on a synchronization with nature. During the Spring and Summer months when bucks are growing antlers, fawns are nursing and does are producing milk, deer crave and need high amounts of protein in their diets to maintain their health and to maximize body and antler growth. Mississippi’s Lower Coastal Plain contains the lowest quality habitat, while the Delta region features the highest quality habitat. A third factor that affects deer antler growth and development is nutrition. … Read More. This may happen simply due to a lack of easily accessible food sources, it can occur from a deer eating the wrong types of food. Fecal samples were collected every month for a period of eighteen months from male sambar deer in different stages of the antler growth cycle, feeding in the wet patana grasslands of the park, and the fecal testosterone level was estimated by radioimmunoassay. The following photos illustrate antler growth for 1 buck from 26 March 1999 through 15 September 1999. Whereas skeletal bones of red deer grow at 34g/day during the first 18 months, their antlers may grow at 100g/day. Deer antler velvet's effects on cell growth and repair have been investigated in several areas. Deer antler velvet also contains growth hormones, including Insulin-like growth factor I (IGF-1 or somatomedin C) – a hormone that’s produced in the liver as a response to growth hormone stimulation. Antlers are some of the fastest-growing bone in the animal kingdom: Deer, moose, elk, and reindeer sprout up to half a meter of new bone growth in a month prior to the mating season. Health. Older animals tend to cast and clean their antlers first. Most bucks will have 8 to 10 antler points when they reach maturity, but there are often deer that have non-typical antler development which results in more. Then the results of a years-long scientific culling study at the ranch started to become available. His antlers have a gross score of 122-inches (B&C). Figure 2. In fact, antler growth is one of the fastest known types of tissue growth in mammals, and a deer’s antlers can grow at a rate of ¼ inch per day. Figure 3. If a deer can consume a diet of at least 16% protein, they can maximize their health, body, bone and antler development. By day 16, hair growth had markedly increased in the rats given deer antler extract compared to a control group that did not receive it. Today’s photo shows what he looked like on July 1. While this particular buck is in the Kerr Wildlife Management Area Deer Pen Research Facility, its antler development is representative of whitetails throughout the Texas Hill Country. Photo credit: Candiss Ager . Antlers are dropped, or cast, and grow back over a period of months while covered in a furry skin called velvet. The process of antler growth starts very early in a deer’s life. At 3 1/2 this buck was again an 8-pointer, but now he is beginning to show antler potential. Then the results of a years-long scientific culling study at the ranch started to become available. 3 1/2: When a whitetail reaches 3 1/2 years of age, its skeletal frame is done growing. Deer antler velvet may be a natural source of hormones for those seeking aid to muscle growth and development. Buck at 4 1/2 years old–164 B&C. I got interested in the subject when the trail camera my son gave me for Christmas recorded one buck’s astonishing antler growth over a four-day period. Let There Be Light. 6).In the first month to 6 weeks, the branches of a regenerating antler form (Fig. Deer hunters are always fascinated by antlers, but what amazes me most is how some bucks can grow such large racks in a single summer. IGF-1 doesn’t last very long in water (unless it’s frozen), so how it’s supposed to remain stable after being sat in a bottle for months on end I have no idea. White-tailed deer antler growth usually begins during the month of March or April, and by August or early September antler growth has ceased. A few weeks ago, I posted an item about how rapidly white-tailed deer antlers can grow during the month of June. By Charles J. Alsheimer. 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