Holstein Stud Book December 2015

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86| Proof information explained Milk, Fat and Protein The Predicted Transmitting Abilities (PTA’s) are the most commonly used indices around the globe for comparing the production traits of sires. For Example; +300kg Milk, +24.1kg Fat, +20kg Protein, Rel. 79% The daughters of this sire would be expected to give on average, in their first lactation, an extra 300kg of milk, 24.1kg fat and 20kg protein, compared to daughters of a sire who had a PTA of 0kg Milk, 0kg Fat and 0kg Protein. The reliability figure is a reflection of the number of daughters that have contributed to the bull’s proof and their distribution across herds. When published for bulls, reliability ranges from 50% to 99%. The higher the reliability, the more likely the proof is to be an accurate reflection of the sire’s true transmitting ability. Note: PTA’s from different breeds and countries should not be directly compared as the genetic bases will be different. Linear Pattern It is not a measure of the sire’s own type, but is calculated from the linear scores of daughters and how far from the breed average the daughters score in comparison to their dams and contemporaries for each trait. The figures are expressed on a scale of -3 to +3, with both extremes denoting a likelihood of movement. A few exceptional animals will fall outside this range. These figures are known as standard deviations and indicate how far the animal is from breed average. Fertility Index The fertility index is a guide to the fertility of daughters in a UK herd. As a rough guideline, the scale ranges from -20 to +20, with the higher values being better. Every +1 increase is predicted to reduce calving interval by half a day. The proof will read either Non-Improver for scores below -0.5, Average for scores between -0.4 to -0.01 or Improver for scores above 0. Lifespan The lifespan value is measured by actual daughter survival and from certain type traits including feet and legs composite, mammary composite and somatic cell count. The scale ranges from -1 to +1 with higher values being better. The proof will read either Non-Improver for negative values, or Improver for those above breed average. A value of +0.5 means the daughters of that bull are expected to last 0.5 lactations longer than those from a bull with a value of +0. Calving Ease Calving ease is a prediction of how easy a calf by this sire will be born. The scale runs from -3 to +3. The proof will read, +0.3 or higher as Easy, -0.3 up to +0.2 as Average and any below -0.4 are classed as Harder. For ExcelGen bulls, symbol will only appear for bulls with UK calvings. Temperament Temperament is assessed on all of a sire’s daughters that are included in a proof. The scale runs between -3 and +3 with below -0.5 reading Below Average, -0.5 to +0.5 Average and over +0.5 Excellent. Somatic Cell Count SCC is a measure of a sire’s daughters predicted average somatic cell score across her lactation. In general the scale goes from -25 through to +30, with the lower numbers indicating the lower cell scores. The proof will read Improver for scores below -5, Average for scores between -5 and 0, and Non Improver for bulls with values above 0. Complex Vertebral Malformation (CVM) and Bovine Leukcyte Adhesion Deficiency (BLAD) All bulls published in this brochure are free of the genetic recessives CVM and BLAD. Brachyspina (BY) This is often referred to as BY. It can cause abortion and stillbirths, shortened spinal cord, long legs and abnormal organs which potentially has a large negative impact on fertility. It is found in about 6% of the Holstein population and it is when two copies of this allele are inherited we see serious or fatal consequences in the resulting embryo. Bulls which have tested positive for this have ‘BYC’ after the name. Haplotypes Recently USDA announced the discovery of three Holstein haplotypes and three Jersey Haplotypes that appear to cause embryo loss when they exist in the homozygous state. The three Haplotypes discovered have not been directly observed and the exact genetic or biological cause is unknown. Because of this, they have been given simple names of Holstein Haplotype 1 (HH1), Holstein Haplotype 2 (HH2) and Holstein Haplotype 3 (HH3), or JH1, JH2 or JH3 to represent Jersey Haplotypes. These Haplotypes appear to have a recessive mode of inheritance where animals with zero or one copy of the Hapoltype are completely normal. Those that inherit two copies of the Haplotype are lost as embryos, most likely early in gestation. POC - Heterozygous Polled, Polled Carrier or Pp 50 percent of progeny from a heterozygous polled sire will be polled when mated with a non polled cow. POS - Homozygous polled or PP 100 percent of progeny from a homozygous polled sire will be polled when mated with a non polled cow. * All known bulls which carry recessive genes have been identified within the brochure. Milking Speed The scale runs between -3 and +3, with negative numbers being slower to milk and positive numbers faster. The proof will read, below -0.5 as Below Average, -0.5 to +0.5 as Average and over +0.5 as Fast. www.cogentuk.com
|87 Cogent management team contacts UK Sales Manager Michael Phillips T: 07772 202045 E: michael.phillips@cogentuk.com Wales Country Manager Richard Hughes T: 07710 714074 E: richard.hughes@cogentuk.com Northern Regional Sales Manager Ian Plews T: 07855 506136 E: ian.plews@cogentuk.com internal sales manger JANE WINTERS T: 01829 773435 E: jane.winters@cogentuk.com Central Regional Sales Manager Ed Parrish T: 07710 709468 E: ed.parrish@cogentuk.com Evaluator Team Leader Neil Greggor T: 07817 232373 E: neil.greggor@cogentuk.com Southern Regional Sales Manager Graham Higgott T: 07787 283117 E: graham.higgott@cogentuk.com Precision Services Manager Mike Halliwell T: 07813 167940 E: michael.halliwell@cogentuk.com Northern Ireland Regional Sales Manager Ashley Fleming T: 07775 561823 E: ashley.fleming@cogentuk.com Cogent Breeding Ltd, Heywood House, Chowley Oak Business Park, Chowley Oak Lane, Chester, Cheshire, CH3 9GA For general enquires call FREEPHONE: 0800 783 7258 OR ALTERNATIVELY INFO@COGENTUK.COM
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|5 46 Macarena 56 Panter 66 Shamroc
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GENOMIC SIRE |7 RH DG Adam RED Aikm
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GENOMIC SIRE |9 DG Albero Blooper B
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GENOMIC SIRE |11 Ladys-Manor Halo A
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PROVEN SIRE |13 Woodmarsh Asterix E
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GENOMIC SIRE |15 Sahara Baloo Mogul
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GENOMIC SIRE |17 Inspired Billion G
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Limited Availability PROVEN SIRE |1
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Huijben DG Buick GENOMIC SIRE Chevr
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GENOMIC SIRE |23 EDG CT Coin Flip 2
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Corvette Wiltor Chevrolet x Explode
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PROVEN SIRE |27 Larcrest Creative F
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PROVEN SIRE |29 Danillo Goldwyn x O
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LIMITED AVAILABILITY PROVEN SIRE Mr
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GENOMIC SIRE |33 Wiltor Drummer Sup
Page 35 and 36: GENOMIC SIRE |35 Gegania Doorman Fr
Page 37 and 38: GENOMIC SIRE |37 TW Goodwhone Mogul
Page 39 and 40: GENOMIC SIRE |39 De-Su SS Honeybee
Page 41 and 42: PROVEN SIRE |41 Clear-Echo Dotson I
Page 43 and 44: GENOMIC SIRE |43 Bush-Bros JC Justi
Page 45 and 46: GENOMIC SIRE |45 DT Lynnstar Haloge
Page 47 and 48: PROVEN SIRE |47 Mr Goldnoaks Magnus
Page 49 and 50: GENOMIC SIRE |49 Quality Doorman Ma
Page 51 and 52: PROVEN SIRE |51 Wintersell Milo EX9
Page 53 and 54: PROVEN SIRE |53 Mountfield SSI DCY
Page 55 and 56: GENOMIC SIRE Peak Mr Grey Jetset x
Page 57 and 58: GENOMIC SIRE Heavenly Paradise Bomb
Page 59 and 60: GENOMIC SIRE |59 De-Su Penley 11839
Page 61 and 62: GENOMIC SIRE |61 Siemers Mogul Pety
Page 63 and 64: GENOMIC SIRE |63 Stantons Predator
Page 65 and 66: PROVEN SIRE |65 Roylane Boxer Punch
Page 67 and 68: GENOMIC SIRE |67 Seagull-Bay Sherif
Page 69 and 70: GENOMIC SIRE |69 PG Superpoll POC R
Page 71 and 72: GENOMIC SIRE Cogent DG Superstyle S
Page 73 and 74: PROVEN SIRE |73 Jenny-Lou Shottle T
Page 75 and 76: PROVEN SIRE |75 Curtismill Wintery
Page 77 and 78: PROVEN SIRE |77 Woodmarsh Zsar Gera
Page 79 and 80: BRITISH FRIESIAN |79 Kirkby Premier
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Page 83 and 84: |83 T.Rel % UK Type UK Udders Feet
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Holstein Stud Book December 2015

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