Administration OF BULLS FOR REPRODUCTIVE AND ECONOMIC SUCCESS

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. . . . . . Administration of Breeding Season. 10% all around characterized reproducing season 40% to some degree characterized rearing season half

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Administration OF BULLS FOR REPRODUCTIVE AND ECONOMIC SUCCESS Cliff Lamb Beef Specialist University of Florida

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Management of Breeding Season 10% all around characterized rearing season 40% to some degree characterized rearing season half "Bull of the Month Club"

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Why characterize and diminish reproducing season? More calf consistency Reduced time and work Target particular markets

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Paying Same For all Cattle

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Typical Grid Using a $120 Market and a $8.00 Choice Select Spread

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Management and Selection Bulls Structural Soundness (life span) Purebred or composite Genetically unrivaled Herd wellbeing convention Nutritional contemplations Breeding soundness exam

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Immunization Strategies for Bulls Deworm at any rate once yearly, treat for lice and grubs IBR, PI-3, BRSV, BVD Leptospirosis Clostridium 7 way Monitor body condition scores

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EPD Expected Progeny Difference used to look at the hereditary value of creatures for an assortment of qualities the distinction in execution of future posterity of a parent, contrasted with descendants of different guardians, when each are reared to mates of equivalent esteem

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Sire Summary Traits Calving Ease Carcass Weight Birth Weight Marbling/IMF Weaning Weight Ribeye Area Yearling Weight Fat Thickness Milk % Retail Product Maternal Weaning Weight Stayability Daughters Calving Ease Docility Yearling Hip Height Gestation Length Mature Size Heifer Pregnancy Mature Weight Cow Efficiency Scrotal Size $Value Indexes

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Expected Progeny Difference EPDs are figured for 17 characteristics in respect to Growth, Reproduction, and End Product Bio-Economic $Values

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$Values Wean $W Feedlot $F Grid $G Beef $B $EN

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Economic Impact Birth Weaning Direct Maternal Milk Mature Cow Size Weaned Calf Index ($W) …

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What is the Shortcoming of a General Index? They aren't a correct fit What would it be a good idea for you to do if your operation doesn't fit the shape? Utilize general lists at any rate, as they tend to rank sires well regardless of the possibility that not correct

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Using EPDs Bull A CE 9 BW 1.7 Bull B CE 3 BW 2.7 Bull C CE 4 BW 3.4

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Using EPDs Bull A CE 9 BW 1.7 WW 46 YW 82 Bull B CE 3 BW 2.7 WW 49 YW 85 Bull C CE 4 BW 3.4 WW 58 YW 106

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Using EPDs Bull A CE 9 BW 1.7 WW 46 YW 82 $W $30.08 $B $49.75 Bull B CE 3 BW 2.7 WW 49 YW 85 $W $30.89 $B $36.98 Bull C CE 4 BW 3.4 WW 58 YW 106 $W $32.10 $B $38.21

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Breeding Soundness Exam

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Why? 90% of bulls will pass a BSE 10% will fall flat a BSE How much hazard would you say you are alright with? Traumatic occasions can render a bull barren Heat stretch Frost chomp Penile or prepucial injury Allow appraisal of a large portion of the bull's repro organs

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General A BSE ought to be performed 2 a month and a half preceding the begin of the reproducing season If there is a reversible issue, this will take into consideration recuperation time (42 days). Does not permit appraisal of charisma Bulls must be observed to ensure they are finding and rearing the cows that are in warmth.

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BSE assesses… Structural soundness Feet/legs General wellbeing Body condiditon (in a perfect world 5.5-6.5) Eyes/teeth Reproductive life systems Penis Accessory sex organs Prostate, original vesicles, ampulla Scrotum and Testicles Semen Quality Motility Morphology Volume Presence of remote flotsam and jetsam

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BSE Summary… Remember, a BSE won't evaluate a bull's drive. A BSE is not a certification of richness, but rather it will help distinguish issue bulls. Bull protection arrangement

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Nutritional Considerations

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BCS 1 BCS 3 BCS 5 BCS 7 BCS 9

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Design Restriction Re-nourishing BCS 7 BCS 5

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BCS, Nutrition and Reproduction Item Moderate Fat Initial BW, lb 936 a 1133 b Initial BCS 5.0 a 7.1 b Anestrus BW, lb 778 835 Anestrus BCS 3.1 3.3 Days to anestrus 66.5 a 155.9 b a, b Means contrast (P < 0.05).

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BCS, Nutrition and Reproduction Item Moderate Fat BW at 1 st cycle, lb 1001 a 1128 b BCS at 1 st cycle 5.2 a 6.0 b Days to 1 st cycle 67.7 78.9

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Conclusions Restriction Re-sustaining BCS 7 BCS 6 BCS 5 BCS 5 BCS 3

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Management and Selection Bulls Structural Soundness (life span) Purebred or composite Genetically unrivaled Herd wellbeing convention Nutritional contemplations Breeding soundness exam

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Thank You!

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