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  • Traits
    ...couraged to see the [[Selection and Mating]] section for guidance on using traits.
    3 KB (388 words) - 17:38, 26 October 2022
  • Monogenic Traits
    ...le in livestock genetics. Having said that there are a number of important traits such as coat color and some genetic conditions that are monogenic, and unde For simply inherited traits one allele completely masks the expression of the other allele when the all
    5 KB (809 words) - 17:35, 12 April 2021
  • Indicator Traits
    ...dicator trait does not mean the trait is inherently invaluable. Indicator traits are often times included in a [[Multiple Trait Evaluation | multiple-trait The distinction between ERT and indicator traits in a breeding program is important. Selection on ERT, as opposed to their
    2 KB (375 words) - 14:11, 1 June 2021
  • Polygenic Traits
    ...ts and typically management and environment have large influences on these traits.
    168 bytes (26 words) - 17:37, 12 April 2021
  • Economically Relevant Traits
    Traits: A framework for the next generation of EPDs. Proceedings of the 32nd Resea ...ider only ERT and '''not''' include indicator traits. Including indicator traits in selection decisions actually reduces the accuracy of the decision when t
    2 KB (299 words) - 13:44, 11 April 2021
  • Recommended Carcass Data Collection Traits
    !colspan="6"|'''Recommended Carcass Data Collection Traits'''
    720 bytes (90 words) - 13:27, 8 July 2021

Page text matches

  • Polygenic Traits
    ...ts and typically management and environment have large influences on these traits.
    168 bytes (26 words) - 17:37, 12 April 2021
  • Mate Selection
    [[Category:Management/Convenience Traits]]
    78 bytes (8 words) - 03:56, 30 November 2022
  • Economically Relevant Traits
    Traits: A framework for the next generation of EPDs. Proceedings of the 32nd Resea ...ider only ERT and '''not''' include indicator traits. Including indicator traits in selection decisions actually reduces the accuracy of the decision when t
    2 KB (299 words) - 13:44, 11 April 2021
  • Selection and Mating
    ...r, and magnitude and direction of selection pressure to be placed on those traits. ...per growth selection tool. Replacement strategy will determine if maternal traits should be included in your breeding objectives or not. If daughters of a bu
    3 KB (496 words) - 19:45, 3 January 2020
  • Genomic Data
    ...Defects | genetic abnormality]] carrier status as well as for quantitative traits, which will be utilized within either [[Single-step_Genomic_BLUP | single-s
    801 bytes (101 words) - 17:51, 12 April 2021
  • Multiple Trait Evaluation
    ...aluation differs from a single-trait evaluation in that several phenotypic traits are evaluated at the same time. Reasons for doing a multiple-trait genetic ...Progeny Difference| EPD]] by solving the mixed-model equations. For single traits with breeding values as the only random effect the mixed-model equations ta
    3 KB (466 words) - 09:59, 6 April 2022
  • Indicator Traits
    ...dicator trait does not mean the trait is inherently invaluable. Indicator traits are often times included in a [[Multiple Trait Evaluation | multiple-trait The distinction between ERT and indicator traits in a breeding program is important. Selection on ERT, as opposed to their
    2 KB (375 words) - 14:11, 1 June 2021
  • Genetic Evaluation
    ...th American breed registries have EPDs available, the number of [[Traits | traits and trait components]] that have EPDs has increased dramatically. ...ce the [[Accuracy | accuracy]] of prediction has resulted in EPDs for most traits being produced using either [[Single-step Genomic BLUP]] or [[Single-step H
    3 KB (480 words) - 17:19, 12 April 2021
  • Breeding Objectives
    ...[[Economically Relevant Traits | Economically Relevant Traits]], however, traits of convenience, aesthetics or improved quality of life can be included. If ...lop the road map to our destination. The road map includes identifying the traits in our breeding objective, how we will evaluate potential breeding animals
    3 KB (385 words) - 17:32, 12 April 2021
  • Age of Dam
    .... The categories are also used in determining adjustment factors for some traits. ...rently resulting in a contemporary group by age-of-dam interaction on some traits where there is a main effect of age of dam. This should be evaluated and c
    2 KB (212 words) - 15:04, 13 April 2021
  • Traits
    ...couraged to see the [[Selection and Mating]] section for guidance on using traits.
    3 KB (388 words) - 17:38, 26 October 2022
  • Tooth score
    [[Category:Management/Convenience Traits]]
    297 bytes (41 words) - 13:59, 13 April 2021
  • Tick score
    [[Category:Health Traits]]
    698 bytes (105 words) - 14:01, 13 April 2021
  • Slaughter Weight
    [[Category:Growth Traits]]
    362 bytes (55 words) - 13:44, 13 April 2021
  • Data Collection
    ...rtant details (e.g., age) are essential. (Go [[Traits | here for a list of traits and their definitions)]]. ...onally, accurate and complete cow data are essential for the prediction of traits with a maternal influence (e.g. [[Weaning_Weight | weaning weight]]). The
    5 KB (634 words) - 17:48, 12 April 2021
  • Days to finish
    [[Category:Growth Traits]]
    353 bytes (56 words) - 13:41, 13 April 2021
  • Motivation for Genetic Improvement
    ...t. Genetic evaluation procedures that produce EPD for specific performance traits should be considered a means to an end (and not the end). The desired end i ...It is possible to maximize returns in this process by recording the right traits, and make sensible use of [[Selection Index | indexing]], [[Selection | sel
    4 KB (533 words) - 15:10, 13 April 2021
  • Muscle score
    [[Category:Growth Traits]]
    514 bytes (78 words) - 13:43, 13 April 2021
  • Bull/Semen Selection
    ...es can be found on the [[Traits | Traits page]], however, not all of these traits have EPD. ...ion index]] methods. When EPDs are available for all economically relevant traits, calculating the sum of the products of EPD weighted by their economic valu
    4 KB (675 words) - 17:39, 12 April 2021
  • Possible Change
    ...different for each [[ Traits | trait]] because they are constructed using traits' genetic variances. Also, possible change values are different at each lev
    2 KB (239 words) - 10:06, 12 April 2021
  • Contemporary Groups
    ...e group has received the same opportunity to express its genetic merit for traits of interest. ...e to them from the [[Traits | traits page]] which has a list of [[Traits | traits and links to their specific description article]].
    5 KB (700 words) - 17:49, 12 April 2021
  • Useful Pages
    | [[Traits]] | List of common traits by category with links to their detailed articles
    2 KB (246 words) - 22:19, 6 January 2020
  • Monogenic Traits
    ...le in livestock genetics. Having said that there are a number of important traits such as coat color and some genetic conditions that are monogenic, and unde For simply inherited traits one allele completely masks the expression of the other allele when the all
    5 KB (809 words) - 17:35, 12 April 2021
  • Calving Interval
    [[Category: Reproduction Traits]]
    563 bytes (81 words) - 13:46, 13 April 2021
  • Pre-weaning survival
    [[Category:Health Traits]]
    763 bytes (110 words) - 14:01, 13 April 2021
  • Recommended Carcass Data Collection Traits
    !colspan="6"|'''Recommended Carcass Data Collection Traits'''
    720 bytes (90 words) - 13:27, 8 July 2021
  • Mature Height and Weight
    [[Category:Growth Traits]] Both traits should be measured on all cows every year.
    4 KB (667 words) - 15:29, 16 May 2023
  • Pure/Straight Breeding
    ...ased homozygosity (opposite of crossbreeding), which is most pronounced in traits such as fertility, survivability, and longevity. As a result of the increas ...r, artificial insemination, and more recently [[Genomic Data | genomics]]. Traits of importance for selection will be determined by the goals of the operatio
    4 KB (618 words) - 17:37, 12 April 2021
  • Ultrasound intramuscular fat
    [[Category:Carcass Traits]] ...back fat). There are no maternal effects fitted for ultrasound or carcass traits given the maternal influence declines post-weaning.
    3 KB (447 words) - 17:08, 21 October 2021
  • Ultrasound rib eye area
    [[Category:Carcass Traits]] ...ass weight. There are no maternal effects fitted for ultrasound or carcass traits given the maternal influence declines post-weaning.
    3 KB (465 words) - 17:10, 21 October 2021
  • Ultrasound back fat thickness
    [[Category:Carcass Traits]] ...marbling). There are no maternal effects fitted for ultrasound or carcass traits given the maternal influence declines post-weaning.
    3 KB (491 words) - 17:08, 21 October 2021
  • Marbling score
    [[Category:Carcass Traits]] ...it model along with its ultrasound indicator and other carcass-fat-related traits (e.g., back fat and ultrasound back fat). An early growth trait (e.g., birt
    4 KB (556 words) - 16:51, 7 February 2022
  • Selection Index
    ...” He applied a statistical technique called a Discriminant Function to the traits he observed to help best indicate the “genetic value” of a plant. The notion of a single function composed of multiple traits in livestock was first described by Hazel and Lush in 1942<ref>Hazel, L.N.,
    7 KB (1,130 words) - 17:40, 12 April 2021
  • Weaning Weight
    [[Category:Growth Traits]] Because the variance of weight traits can scale due to size (e.g., sex or breed differences), a procedure to acco
    7 KB (1,034 words) - 20:53, 19 May 2022
  • Hot Carcass Weight
    [[Category:Carcass Traits]] ...weight is generally included in a multiple-trait model with other carcass traits such as ribeye area (carcass and ultrasound). An early growth trait (e.g.,
    2 KB (364 words) - 13:50, 13 April 2021
  • Parasite egg count
    [[Category:Health Traits]] ...an [[Indicator Traits | indicator trait]] for the [[Economically Relevant Traits | economically relevant trait]] of parasite load. No specific measure of p
    3 KB (426 words) - 14:00, 13 April 2021
  • Docbook
    |index terms=traits
    770 bytes (121 words) - 14:46, 10 November 2019
  • Genomic Evaluation Guidelines
    differences among individuals in phenotypic merit for economically important traits. number of traits. Types of information available (i.e., available from a practical and
    10 KB (1,633 words) - 18:28, 12 April 2021
  • Replacement Females
    ...males that must endure seasonal periods of energy deficit. Increasingly, [[Traits | EPD for reproductive performance]] are becoming available and should be u
    3 KB (406 words) - 17:39, 12 April 2021
  • Teat and Udder Scores
    [[Category:Management/Convenience Traits]] ...J. E. Sawyer, J. O. Sanders, and D. G. Riley. 2017. Association of udder traits with single nucleotide polymorphisms in crossbred ''Bos indicus-Bos taurus'
    6 KB (896 words) - 13:59, 13 April 2021
  • Required Carcass Data Collection for Use in Genetic Evaluations
    All of the recommended carcass data collection traits should be identified at harvest. !colspan="6"|'''Recommended Carcass Data Collection Traits'''
    2 KB (348 words) - 13:26, 8 July 2021
  • Ribeye Area
    [[Category:Carcass Traits]] Ribeye area is generally included in a multiple-trait model with traits such as ultrasound ribeye area and carcass weight. An early growth trait (e
    2 KB (393 words) - 13:51, 13 April 2021
  • Market
    ...per growth selection tool. Replacement strategy will determine if maternal traits should be included in your breeding objectives or not. If daughters of a bu
    982 bytes (156 words) - 17:33, 12 April 2021
  • Docility
    [[Category:Management/Convenience Traits]] Among the most important of behavioral traits, temperament reflects the ease with
    5 KB (749 words) - 12:54, 26 May 2021
  • Accuracy
    ...a, and information on descendants for the trait of interest and correlated traits. Accuracy is dependent upon the value (amount and quality) of the informati ..., especially for young animals and for the contribution made by correlated traits. An alternative that has been implemented is to estimate the prediction er
    3 KB (438 words) - 13:45, 11 April 2021
  • Crossbreeding
    ...ire Selection Manual. Additional information on breed differences for many traits can be found in the eBEEF factsheet [https://ebeef.ucdavis.edu/sites/g/file
    1 KB (180 words) - 18:42, 11 May 2023
  • Yield Grade
    [[Category:Carcass Traits]] ...et al. (1998, J. Anim. Sci. 76:1604-1612) developed an equation that uses traits in the USDA Yield Grade system to predict percentage of total retail produc
    3 KB (384 words) - 13:53, 13 April 2021
  • Scrotal Circumference
    [[Category: Reproduction Traits]] ...and effects of cytoplasmic line on scrotal circumference and semen quality traits in Angus bulls. J. Anim. Sci. 89: 693-698.</ref>.
    4 KB (587 words) - 13:48, 13 April 2021
  • Recessive Genetic Defects
    ...r, polledness, double muscling and twinning. There are currently 523 total traits and disorders listed for cattle at this website. Table 1 lists the genetic
    4 KB (615 words) - 16:22, 6 March 2024
  • Back Fat Thickness
    [[Category:Carcass Traits]] ...it model along with its ultrasound indicator and other carcass-fat-related traits (e.g., marbling and ultrasound percentage of intramuscular fat). An early g
    3 KB (433 words) - 13:49, 13 April 2021
  • Foot and Leg Scores
    [[Category:Management/Convenience Traits]] .... R.; Weaber, R. L.; Bormann, J. M.; and Fiske, W. A. (2018) "Feet and Leg Traits are Moderately to Lowly Heritable in Red Angus Cattle," Kansas Agricultural
    10 KB (1,537 words) - 13:57, 13 April 2021
  • Birth Weight
    [[Category:Growth Traits]] Calf birth weight is a good [[Indicator Traits | indicator trait]] for calving difficulty. If calving difficulty is a prob
    5 KB (822 words) - 20:54, 19 May 2022
  • Dressed Carcass Yield
    [[Category:Carcass Traits]]
    1 KB (163 words) - 13:50, 13 April 2021
  • Pregnancy Data
    ...tory-based performance recording make it likely that EPDs for reproductive traits will become more readily available in the future. [[Stayability]] EPD is on Cammack, K.M., M.G. Thomas, and R.M. Enns. 2009. Review: Reproductive traits and their heritabilities in beef cattle. Prof. Anim. Scientist 25(5):517-52
    7 KB (920 words) - 18:26, 12 April 2021
  • Body Condition Scores
    [[Category:Management/Convenience Traits]]
    1 KB (200 words) - 13:05, 2 June 2022
  • Composite Breeding
    ...n to generation, and minimal or no difference in variation in quantitative traits compared to contributing purebred generation.<ref name="ritchie">Ritchie, H ...crossed with Continental breeds to address genetic antagonisms for carcass traits such as yield versus marbling.<ref name="ritchie" /> Where feed resources
    5 KB (733 words) - 17:38, 12 April 2021
  • Ultrasound rump fat
    [[Category:Carcass Traits]]
    2 KB (229 words) - 17:10, 21 October 2021
  • PG30
    [[Category: Reproduction Traits]] PG30 can be an [[Economically Relevant Traits | ERT]]. However, care should be taken when evaluating PG30 (e.g. in a [[S
    3 KB (527 words) - 13:48, 13 April 2021
  • Selection
    ...trait, accuracy of selection, selection intensity and generation interval. Traits with greater genetic variation relative to their average are able to realiz
    2 KB (254 words) - 17:27, 12 April 2021
  • Maintenance energy
    [[Category:Management/Convenience Traits]]
    2 KB (239 words) - 13:58, 13 April 2021
  • Average daily gain
    [[Category:Growth Traits]]
    1 KB (225 words) - 13:38, 13 April 2021
  • Feed Efficiency
    [[Category: Management/Convenience Traits]] ...ta collection using automated systems are typically higher than most other traits and can be a barrier to obtaining large quantities of data. Therefore, pre
    4 KB (607 words) - 17:27, 26 October 2022
  • Yearling Weight
    [[Category:Growth Traits]] ...f both a lower genetic correlation between post-weaning gain and the other traits (e.g. weaning and birth weight), and not needing to include a maternal effe
    5 KB (748 words) - 13:44, 13 April 2021
  • Embryo Transfer (ET): Data Collection And Utilization
    ...atives has increased importance. But, for maternally influenced [[Traits | traits]] such as weaning weight, the genetic evaluation model must be modified sli ...ecipient dam]] and its breed composition will affect maternally influenced traits - i.e. [[Birth Weight | birth weight]], [[Calving Difficulty | calving ease
    12 KB (1,793 words) - 15:07, 13 April 2021
  • Measures of Tenderness
    [[Category:Carcass Traits]]
    2 KB (278 words) - 13:52, 13 April 2021
  • Bovine respiratory disease (BRD)
    [[Category:Health Traits]] ...ing weight, postweaning average daily gain, or feed intake, and that these traits should receive 2-3 times more emphasis than marbling score and yield grade
    12 KB (1,787 words) - 14:00, 13 April 2021
  • Stayability
    [[Category: Reproduction Traits]] ...in production through age six. Stayability is an [[Economically Relevant Traits | ERT]] in herds that generate their own replacement females. Herds purcha
    5 KB (674 words) - 03:32, 8 December 2021
  • Pelvic Measurements
    [[Category:Management/Convenience Traits]] ...r traits, so selection for increased pelvic area alone can result in other traits changing for the worse.
    10 KB (1,482 words) - 13:58, 13 April 2021
  • Calving Difficulty
    [[Category:Management/Convenience Traits]] Calving ease is an [[Economically Relevant Traits | economically relevant trait]] in all production systems. However, produce
    5 KB (766 words) - 19:07, 3 February 2022
  • Heifer Pregnancy
    [[Category: Reproduction Traits]]
    2 KB (280 words) - 14:29, 24 March 2023
  • Management and Resources
    ...than females sired by bulls with more moderate genetic potential for these traits. For greatest efficiency, growth and milking potential of females should be
    2 KB (327 words) - 17:33, 12 April 2021
  • Beef on Dairy
    ...evaluations is considerably less than other evaluated traits (e.g., weight traits). Incorporating beef x dairy records requires that the evaluation account f ...c if early in life records are a requirement for inclusion of post-weaning traits. The inclusion of weaning weight as a correlated trait in carcass evaluatio
    9 KB (1,397 words) - 11:04, 13 October 2023
  • Cow Intake
    ...hat substantial genetic improvement can be made in feeder calves for these traits. ...earch has been published over the last 20 years related to feed efficiency traits in growing cattle consuming high-quality diets, however, relatively little
    10 KB (1,420 words) - 20:21, 17 January 2020
  • Quality Grade
    [[Category:Carcass Traits]] ...ontributes to meat tenderness and is also associated with the palatability traits of juiciness and flavor. There are nine degrees of marbling, ranging from P
    6 KB (877 words) - 13:51, 13 April 2021
  • Whole Herd Reporting
    ...weaning, as well as the ability to account for selection for post-weaning traits. The importance of the latter cannot be overstated. Note [[Birth Weight | b ...performance traits, as well as their genomics. On the cow inventory, other traits include taking udder scores around the time of calving, as well as mature w
    8 KB (1,296 words) - 17:52, 12 April 2021
  • Feed Intake
    [[Category:Growth Traits]] [[Category:Management/Convenience Traits]]
    15 KB (2,356 words) - 17:25, 26 October 2022
  • Data Collection for Commercial Producers
    ...ility |cow longevity]], feedlot, and [[Recommended Carcass Data Collection Traits|carcass data]]. While progressive seedstock producers may prioritize these ...tly grow the appetite for serious genetic awareness of feedlot and carcass traits in the commercial sector. BIF and like-minded organizations should also con
    15 KB (2,181 words) - 17:54, 12 April 2021
  • Gain
    [[Category: Growth Traits]] ...ble model that includes post-weaning gain and weaning weight as correlated traits<ref name="thallman>Thallman, R. M., L A Kuehn, W M Snelling, K J Retallick,
    16 KB (2,516 words) - 17:28, 26 October 2022
  • Reproductive Tract Scores
    [[Category: Reproduction Traits]] ...hown that RTS is a predictor of heifer fertility, compares well with other traits used as predictors of production outcomes, and is likely to be a good predi
    6 KB (925 words) - 13:48, 13 April 2021
  • Hair Shedding
    [[Category:Management/Convenience Traits]]
    3 KB (473 words) - 23:45, 12 December 2022
  • Essential Reading
    ...B.L., D.J. Garrick, S. Newman, and R.M. Enns. 2000. Economically Relevant Traits: A framework for the next generation Lynch, M. and B. Walsh. 1997. Genetics and Analysis of Quantitative Traits. Sinauer Associates, Sunderland, MA. 980 pp.
    8 KB (1,073 words) - 19:34, 11 November 2022
  • Expected Progeny Difference
    Phenotypes for quantitative traits are a combination of influences from both genetics (additive, dominance, ep ...iew: Expected versus realized progeny differences for various beef cattle traits. Prof Anim Sci. 22:413-423.</ref><ref>Kuehn, LA and RM Thallman. 2017. A
    7 KB (1,085 words) - 16:16, 16 April 2021
  • Gestation Length
    [[Category: Reproduction Traits]]
    3 KB (484 words) - 13:47, 13 April 2021
  • Heterogeneous variance
    ...L. D. Van Vleck. 1989 Variance Heterogeneity in Direct and Maternal Weight Traits by Sex and Percent Purebred for Simmental-Sired Calves. v67:10 2515-2528.</
    4 KB (656 words) - 15:09, 13 April 2021
  • Glossary
    ...c origin and past selection history and with similar genetic potential for traits of economic importance. British general purpose beef cattle breeds, for ex ...at the lowest cost. It may also include a listing of economically related traits to be used as selection criteria to achieve the overall goal. Objectives m
    53 KB (8,051 words) - 15:09, 24 September 2022
  • Data From Gene Edited Animals
    ...mplate with endogenous DNA sequences. Both of these cases do not introduce novel DNA and resemble genetic variations that can be found in the cattle genome. ...ations have been selected by breeders owing to their beneficial effects on traits of economic importance. None of these naturally-occurring variants are know
    11 KB (1,740 words) - 16:55, 3 June 2022
  • Hip Height/Frame
    [[Category:Growth Traits]]
    6 KB (486 words) - 13:42, 13 April 2021
  • Pulmonary arterial pressure (PAP)
    [[Category:Health Traits]] ...es and genetic correlations of pulmonary arterial pressure and performance traits in Angus cattle at high altitude. J. Anim. Sci. 94:4483–4490.</ref><ref>Z
    22 KB (3,280 words) - 14:01, 13 April 2021
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