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• Repeated Pre-Weaning Weights
  let Dt-1 be recording date 1 let Wt-1 be recorded weight at date 1
  1 KB (277 words) - 14:17, 19 May 2022
• Sample annual schedule for Whole Herd Reporting
  | Dec. or Jan. 1 | June 1
  1 KB (131 words) - 18:27, 12 April 2021
• Multiple Trait Evaluation
  \mathbf{Z}'\mathbf{X}&\mathbf{Z}'\mathbf{Z}+\mathbf{K}^{-1}\lambda \mathbf{X}'\mathbf{R}^{-1}\mathbf{X}&\mathbf{X}'\mathbf{R}^{-1}\mathbf{Z}\\
  3 KB (466 words) - 09:59, 6 April 2022
• Docbook
  |columns=1 |timestamp=1
  770 bytes (121 words) - 14:46, 10 November 2019
• Body Condition Scores
  ...ition and energy reserves of beef cows. The BCS scale ranges from 1-9 with 1 being emaciated and 9 being obese. Cows that calve in a BCS of 5 or greate ...ps://doi.org/10.17226/19014 </ref> . For example, a mature cow that weighs 1,200 pounds with a BCS of 5 should require 85 pounds of weight gain to achie
  1 KB (200 words) - 13:05, 2 June 2022
• Accuracy
  Accuracy_{BIF}=1-\sqrt{\frac{Prediction\,Error\,Variance}{Additive\,Genetic\,Variance}} r_{EBV,BV}=\sqrt{1-\frac{Prediction\,Error\,Variance}{Additive\,Genetic\,Variance}}
  3 KB (438 words) - 13:45, 11 April 2021
• Possible Change
  PC={t}\frac{(1-a_{BIF})\sigma_{u}}{2} ...ons publish possible change values as one EPD standard prediction error (t=1). One standard prediction error means the true value should fall within the
  2 KB (239 words) - 10:06, 12 April 2021
• Prediction Bias
  ...of [[Best Linear Unbiased Prediction]] and the slope of the regression is 1 (no over or under dispersion). ...if they are not, then the expectation of the regression coefficient being 1 no longer holds.
  3 KB (546 words) - 21:20, 29 May 2021
• Recommended Carcass Data Collection Traits
  |1
  720 bytes (90 words) - 13:27, 8 July 2021
• PG30
  Binary observations for PG30 of 0 or 1 ...calve as a three-year-old, she is assigned a successful PG30 observation (1). If a female with a successful HPG observation fails to
  3 KB (527 words) - 13:48, 13 April 2021
• Hair Shedding
  Hair shedding scores are based on a 1 to 5 scale with a score of 1 being completely shed or having a slick appearance and a score of 5 having [[File: Wiki Hair Shedding Score Image 1.jpg|800px]]
  3 KB (473 words) - 23:45, 12 December 2022
• Single-step Genomic BLUP
  A_{11}+A_{12}A_{22}^{-1}(G-A_{22})A_{22}^{-1}A_{21} & A_{12}A_{22}^{-1}G \\ GA_{22}^{-1}A_{21} & G
  10 KB (1,617 words) - 13:51, 11 April 2021
• Calving Difficulty
  | style="text-align: center;" | 1 ...alved without assistance even if the calving was not observed. A score of 1 should be reported for these. All calvings should receive a score even if
  5 KB (766 words) - 19:07, 3 February 2022
• Recessive Genetic Defects
  '''Figure 1. Mating combinations possible with an autosomal recessive genetic condition ...ly 523 total traits and disorders listed for cattle at this website. Table 1 lists the genetic conditions that are currently being monitored by U.S. bre
  4 KB (615 words) - 16:22, 6 March 2024
• Reproductive Tract Scores
  ...assigned a RTS of 2 are thought to be closer to puberty than those scoring 1, primarily due to larger uterine horns and ovaries. Those heifers assigned Table 1. Reproductive tract scores <ref> Anderson, K. J., D. G. LeFever, J. S. Brin
  6 KB (925 words) - 13:48, 13 April 2021
• Parasite egg count
  ...digree and molecular information. Genetics, selection, evolution : GSE, 46(1), 13. doi:10.1186/1297-9686-46-13.</ref><ref>McManus, C., do Prado Paim, T.
  3 KB (426 words) - 14:00, 13 April 2021
• Composite Breeding
  ...site has the potential to retain 75% of the maximum possible heterosis [(4-1)/4 = .75 or 75%]. Assuming equal breed contribution, using a four-breed co
  5 KB (733 words) - 17:38, 12 April 2021
• Selection Index
  <center><math>H=a_{1}G_{1}+a_{2}G_{2}+...+a_{m}G_{m}</math></center> <center><math>I=b_{1}x_{1}+b_{2}x_{2}+...+b_{n}x_{n}</math></center>
  7 KB (1,130 words) - 17:40, 12 April 2021
• Foot and Leg Scores
  ...le," Kansas Agricultural Experiment Station Research Reports: Vol. 4: Iss. 1. https://doi.org/10.4148/2378-5977.7533</ref> ...tralia.com.au/content/uploads/2016/11/CI_Yearlings-4.pdf (Accessed October 1, 2019)</ref><ref>American Angus Association. 2018. Foot Score Guidelines. h
  10 KB (1,537 words) - 13:57, 13 April 2021
• Monogenic Traits
  ...d, all offspring will be heterozygotes (Bb). The Punnett Square in Figure 1 illustrates this mating. Cow gametes are egg cells, and bull gametes are sp '''Figure 1. Punnett Square for coat color when mating a homozygous black bull to homoz
  5 KB (809 words) - 17:35, 12 April 2021

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