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• Bull/Semen Selection
  [[Category:Selection and Mating]] ...of the bull. With natural service, you have the benefit of evaluating the bull in person, but typically on unproven bulls the EPDs have lower accuracy. Wi
  4 KB (675 words) - 17:39, 12 April 2021

Page text matches

• Selection
  [[Category:Selection and Mating]] ...and [[Cull Cows | cow culling]] decisions. Many factors can be involved in selection decisions such as conformation, productivity, [https://beef-cattle.extensio
  2 KB (254 words) - 17:27, 12 April 2021
• Bull/Semen Selection
  [[Category:Selection and Mating]] ...of the bull. With natural service, you have the benefit of evaluating the bull in person, but typically on unproven bulls the EPDs have lower accuracy. Wi
  4 KB (675 words) - 17:39, 12 April 2021
• Market
  [[Category:Selection and Mating]] ...s should be included in your breeding objectives or not. If daughters of a bull will be kept as replacements, then maternal EPD will need to be considered.
  982 bytes (156 words) - 17:33, 12 April 2021
• Crossbreeding
  [[Category:Selection and Mating]] ...COMPOSITE%20SELECTION.pdf Breed and Composite Selection] in the NBCEC Sire Selection Manual. Additional information on breed differences for many traits can be
  1 KB (180 words) - 18:42, 11 May 2023
• Selection and Mating
  ...heme]], traits that should be selected for, and magnitude and direction of selection pressure to be placed on those traits. ...s should be included in your breeding objectives or not. If daughters of a bull will be kept as replacements then maternal EPD will need to be considered.
  3 KB (496 words) - 19:45, 3 January 2020
• Monogenic Traits
  [[Category:Selection and Mating]] ...Square in Figure 1 illustrates this mating. Cow gametes are egg cells, and bull gametes are sperm cells.
  5 KB (809 words) - 17:35, 12 April 2021
• Mating Systems
  [[Category:Selection and Mating]] ...used in a [[Crossbreeding | crossbreeding system]] to as specific as which bull will be mated to which cow for a desired result. For commercial cattlemen i
  881 bytes (124 words) - 17:30, 12 April 2021
• Composite Breeding
  [[Category:Selection and Mating]] ...w herd. The primary challenge is finding the performance-tested composite bull that fits the producer’s natural and marketing environments, meeting spec
  5 KB (733 words) - 17:38, 12 April 2021
• Genetic Disorders Policy
  [[Category:Selection and Mating]] ...nse of avoidance of generating affected animals. For example, if a carrier bull's genetic merit is high and the allele frequency of the defect is low, the
  5 KB (681 words) - 17:33, 24 December 2022
• Scrotal Circumference
  Scrotal circumference is generally measured with other yearling bull measurements including weight and height, so use of the same contemporary g ...ts positive relationship with the potential number of sperm cells that the bull can produce. It has been shown bulls with larger scrotal circumference reac
  4 KB (587 words) - 13:48, 13 April 2021
• Pregnancy Data
  ...pregnant) should be recorded on each breeding female that was exposed to a bull. Therefore, a cow exposure inventory is important to assess pregnancy diagn ...in the past year’s breeding season. This figure should be calculated on a bull-mating group basis.
  7 KB (920 words) - 18:26, 12 April 2021
• Data Collection for Commercial Producers
  ...genetic progress, and a high percentage of male calves are destined for a bull battery and not meat production. Thus, commercial producers have access to .... BIF and like-minded organizations should also continue to advocate for [[Selection Index|whole life-cycle indexes]] that reflect a holistic view of the impact
  15 KB (2,181 words) - 17:54, 12 April 2021
• Birth Weight
  ...mprove [[Calving Difficulty | direct calving ease]]. However, single-trait selection for lighter birth weight or shorter gestation intervals may reduce calf via ...cy, at best, and should not be submitted to breed associations, or used in selection decisions.
  5 KB (822 words) - 20:54, 19 May 2022
• Mature Height and Weight
  Bull phenotypes are not useful for genetic evaluation because bulls are typicall ...eight. Ideally, mature weight should be incorporated into a [[Glossary#S | selection index]] to account for differences in cow costs in combination with other [
  4 KB (667 words) - 15:29, 16 May 2023
• Identification Systems
  ...is required for accurate genetic evaluation and subsequent improvement by selection. With the advent of multiple-breed genetic evaluation, a more robust an an ...mber is right-justified and padded with leading zeros (0). For example, a bull that was first recorded as a Black Angus by the Canadian Angus Association
  5 KB (802 words) - 14:44, 6 June 2021
• Beef on Dairy
  [[Category:Selection and Mating]] ...netic evaluations. Given management systems on most dairies, a single beef bull used in such systems could generate thousands of progeny with carcass recor
  9 KB (1,397 words) - 11:04, 13 October 2023
• Gain
  In the past, when centralized bull testing was more common, gain during the test period was an essential compo ...ally higher accuracy of EPD will be available, thus, resulting in improved selection response<ref name="thallman" />. If additional precision in measuring test
  16 KB (2,516 words) - 17:28, 26 October 2022
• Glossary
  ;Accuracy (of selection) ...ctually are produced. The agreement typically defines the breeding system, selection methods, management conditions, and product specifications for the cattle.
  53 KB (8,051 words) - 15:09, 24 September 2022
• Pulmonary arterial pressure (PAP)
  The PAP test is used as an indicator of PH and as a selection/culling criterion. The procedure/technique for performing a Pulmonary Arte * Sex of each animal (e.g. steer, bull, heifer, and cow)
  22 KB (3,280 words) - 14:01, 13 April 2021