In all of these breeds weight EPDs are expressed in pounds of calf. To prevent this it is best to separate the buck kids from the doe kids at weaning.
Average weaning weight for Alliance cattle 2009 through 2015 was 593 pounds--a 64-pound advantage.
. The Beef Improvement Federation BIF recommends that weaning weights be standardized to 205 days-of-age and a mature age-of-dam basis. 2003 reported that fenceline-weaned calves have decreased signs of stress spent less time bawling and walking and more time eating and lying down than calves assigned to traditional weaning Table 2. The American Angus Association looked at the average weaning weight ratio at 205 days of these daughters calves.
Although does can be bred and conceive at 34 months of age and at lower weights this will stunt their growth and reduce milk production. It could add up to 100 per cow to your sales. For mine at this farm with just cheap 4 -8 year old commercial cows and a decent bull calving in the fall not producing is a daily gain under 24 lbs per day.
For example if Bull A has a BW of -2 Bull B has a BW of 15 and each sire is mated to similar females. The following four cowcalf experts give their best low-cost tips on how to get an extra 50 pounds. The target breeding weight for large breeds like Alpine or Saanen is 35 kg by 78 months of age.
For example a 600-pound bull with a projected mature weight of 1800 pounds should weigh 1350 pounds as a 2-year-old 1800 pounds 75 percent of mature weight 1350 pounds. RACHEL ENDECOTT Extension beef specialist Montana State University. Over time a few bulls contribute most of the genes in your cowherd.
Group criteria typically include all those for birth weight plus birth-to-wean management code which includes creep versus no-creep date weighed and sex some calves that were bulls at birth may be steers by weaning. That means that over 5 million cows in the US. To the best of our ability to predict you want to purchase bulls that will make the changes or maintain the levels of performance that you want.
Progeny of Bull A can be expected to have a YW that is 30 lbs 70 - 40 30 heavier than progeny of Bull B. However this is an industry myth because increased weight gain and feed efficiency in bulls versus steers isnt realized until an animal reaches puberty and they start producing testosterone. It is the best estimate of.
The best cows are over 3 lbs or about 625 lb weaning weight at 7 months. If your bull has high calving weights and you breed him to small heifers or cows you set yourself up for a difficult calving season. 30 minus 10 20 lb.
Select bulls that will provide and maintain heterosis in your herd. Birth weights should be appropriate for the size of the cows youre breeding to your bull. Fifty pounds the weight of a bag of feed in extra calf weaning weight seems like a worthy goal.
Likewise the same calculation would be performed for yearling weight AB-EPDs. It could add up to 100 per cow to your sales. Many producers dont castrate bulls prior to weaning because they believe bulls will have higher weaning weights compared to steers.
Advantage in 205-day adjusted weaning weight compared to calves sired by a bull with an EPD of 10 lb. The AB-EPD for that trait is -39 lb 28 lb -11 lb for the Simmental bull and 17 lb 25 lb 42 lb for the Limousin bull. Progeny from Bull A can be expected to have a BW 35 lbs 15 - -2 35 lighter than Bull.
Likewise if Bull A has a YW of 70 and Bull B has a YW of 40. In general this requires a growth rate of 2 to 3 pounds per day during this time period from weaning to yearling stage. The weaning weight AB-EPD for the Charolais bull would be 613 34273 and 44 -2367 for the Gelbvieh when mated to the Angus-cross cow.
Studies demonstrated that fenceline weaning alleviates calf stress while improving weight gain over other strategies. Yearling Weight YW YW EPD reflects differences in the 365-day adjusted yearling weight for progeny. According to the American Angus Association the average weaning weight EPD across the breed has increased from -7 in 1972 to 18 in 1990 31 in 2000 45 in 2010 and 52 in 2014.
The following four cowcalf experts give their best low-cost tips on how to get an extra 50 pounds. Milk EPD bull averaged a ratio of 95. Average daily gains on.
Location calving date genetics and age of the dam will have a lot to do with it. Weaning Weight WW WW EPD reflects pre-weaning growth. In order to evaluate differences in weaning weights individual calf records must be adjusted to a standard basis.
Fifty pounds the weight of a bag of feed in extra calf weaning weight seems like a worthy goal. When youve a cow herd with more milk and weight a charolais bull will really lift the weaning weights. Weaning weight should be adjusted for age of dam and for age of calf.
Milk EPD has 51 daughters in production that have produced 149 calves. Using EPDs and actual weights weaning weight is a straight forward trait to select for and easily increased. Weaning weights should be taken when a contemporary group same sex age range and management.
This is an estimate of how much the bulls offspring will weigh at birth. As seen in the graph the average weaning weight ratio of calves from daughters of the 16-lb. Off course you can also find these qualities in bulls of various breeds but to generalise you wont go far wrong with what I suggested.
For example if bull A has a weaning weight EPD of 45 and bull B has a weaning weight EPD of 35 the calves produced by bull A are expected to weigh on the average 10 pounds more at weaning than those of bull B assuming the bulls are bred to comparable cows. In this scenario with similar quality bulls the Charolais bull has a 173 pound weaning weight advantage over the Gelbvieh bull. Have a mature weight of over 1500 pounds.
As example Pierce et al. The expected birth weight difference of offspring when both are mated to cows of another breed eg Angus would be -11 lb - 42 lb -53 lb. At weaning the Simmental bull will produce heavier calves.
The target weaning weight for large-breed doe kids is 15 kg. I prefer to buy composite bulls to maintain a level of. In a 50-head herd this would be 3200 more pounds of beef to sell.
The data suggests that this is approximately 16 of the producing beef cows in the US. Many purebred Angus producers are weaning calves that are 800 lbs and some even. These larger cows are costing our cowcalf production systems up.
Rachel Endecott Extension beef specialist Montana State University. Calves sired by a bull with a 30 WW EPD should have a 20 lb. Bull B with a 24-lb.
Pin On Goal Of Operation School Project
Using The Adjusted Weaning Weight Formula And The Adjusted Yearling Weight Formula We Are Able To Keep A Good Record Of Each What Ea Yearling Weaning Let It Be
Simmental Large Breed Big Boned Good Milk Production High Weaning Weight Brown Black White Animales Raros Vacas Animales Y Mascotas
0 Comments