SET YOUR DEER UP FOR SUCCESS Feeding your deer herd during and after rut in the fall and winter paves the way for your bucks, does, and fawns. With fewer hours of daylight in the fall and winter, the deer may not be seen at the feeders, but they will utilize the nutrition if available. Feeding bucks through winter Even though bucks are in hard rack and achieved their antler size for the year, they can lose 1030 percent of their body weight due to increased activity and decreased food intake during the rut and subsequent winter. Feeding bucks during the fall and winter allow bucks to regain weight they may have lost during the rut. Bucks entering the spring in good body condition can utilize the nutrients they consume for antler growth rather than merely regaining the weight the lost the previous season. Fall and winter feeding does not need to be the high protein diets that allowed the deer to reach their genetic potential for antler growth. A well-balanced diet of 16-percent protein and added fat and minerals to support reproduction is of greater benefit than just corn during this time of year. Feeding does through winter After a summer of producing milk for one to three fawns, a doe’s body weight and body condition has decreased. Just like the bucks, regaining the lost weight and condition is critical for reproductive success and for surviving the winter. A study conducted at Washington State University in mule deer showed that digestibility energy intake the month prior to the breeding season impacted pregnancy rate and rate of twinning. Additionally,
does with greater body fat prior to the breeding season had greater rates of twinning. Benefits of winter feeding for fawns Does in good body condition during gestation were found to produce heavier and a greater number of fawns than does in poor body condition. Fawns with low birth weights have a greater chance of mortality within the first week of life. Additionally, researchers are evaluating the link between the food available to does during gestation and their fawns’ future performance. Fawns born in early and late summer may benefit from fall feeding. The fawns born early in the summer are just being weaned in early fall and depending on forage availability would benefit from supplemental feeding. Likewise, fawns born late in the summer may benefit from supplemental feeding in the fall and winter to achieve an adequate body size to survive the winter. In both cases, the fawns have watched their does consume the supplemental feed and have started nibbling it as well. Weaning is a period of stress and having an additional source of nutrition, like supplemental feed, supports the fawns’ needs during this period of transition. The importance of supplemental feeding in the spring and summer to support antler growth is a common practice. Continuing to feed deer in the fall and winter is also important to support the nutrient requirements of all classes of deer to support their body weight and body condition to continue to have a successful program the following year. If you have questions on setting up a supplemental
feeding program on your property, reach out to Scott Hohensee, wildlife specialist at Purina Mills at SDHohensee@LandoLakes.com or visit your Local Purina Dealer. You can learn more about AntlerMax products at purinamills.com.
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☎ (800) 227-8941 ✉ SDHOHENSEE@LANDOLAKES.COM PURINAMILLS.COM
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