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SEMEN TEST BULL BREEDING SOUNDNESS EXAMINATION B.B.S.E.

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Presentation on theme: "SEMEN TEST BULL BREEDING SOUNDNESS EXAMINATION B.B.S.E."— Presentation transcript:

1 SEMEN TEST BULL BREEDING SOUNDNESS EXAMINATION B.B.S.E.

2 50 NORMAL, CYCLING, DISEASE FREE COWS 60% (In 3 weeks) and 90% (In 9 weeks) PREGNANT AT 42 DAYS FERTILE

3 COW BULL MULTIFACTORIAL

4 COW CYCLING Nutrition Days since calving Age of puberty DISEASE FREE Pestivirus Vibriosis Trichmoniasis Leptrospirosis ??????????? HEALTHY UTERINE TRACT Infection Scaring Cystic Ovary Freemartin

5 BULL SOUND SERVING ABILITY Mount Penile Erection and extension Intromission (seeking) Thrust DISEASE FREE Pestivirus Vibriosis Trichomoniasis ?????????? SPERMATOZOA Numbers Motility Morphology

6 COMPONENTS BULL BREEDING SOUNDNESS EXAMINATION 1. PHYSICAL EXAM 2. EXAMINATION OF REPRODUCTIVE TRACT 3. SCROTAL CIRCUMFERANCE 4. SEMEN COLLECTION AND EXAMINATION 5. SERVING ABILITY / CAPACITY

7 GENERAL HEALTH WALKING ABILITY NORMAL FEET NORMAL LEG STRUCTURE PHYSICAL EXAM

8 PENIS & PREPUCE SCROTUM & TESTICLES SEMINAL VESICLES REPRODUCTIVE TRACT

9 PENIS AND PREPUCE

10 SCROTUM & TESTICLES

11 TESTICULAR VOLUME OR WEIGHT DAILY SPERM PRODUCTION (Cells / gm) BIGGER NOT NECESSARILY BETTER BUT THERE IS A MINIMUM – Bos Taurus - Minimum 34 2 yrs (2:1 L:W) – Bos Indicus - Minimum 30 2 yrs (2.4:1 L:W) SCROTAL CIRCUMFERENCE

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13 ARTIFICIAL VIRGINA (AV) SEMEN COLLECTION ELECTRO-EJACULATION (EJ) MASSAGE

14 GROSS MOTILITY (x100) - Score 1 to 5 (Concentration, % Motile & Velocity) PROGRESSIVE MOTILITY (x200)0 – 30% Fail 30 – 60% Multi-Sire > 60% Pass MORPHOLOGY (x1000)0 - 50% Fail % Qualified Pass (QF) > 70% Pass SEMEN EXAMINATION

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16 SEMEN SCORE & MORPHOLOGY

17 SERVING ABILITY SERVING CAPACITY

18 1.KNOCKS OUT WORST BULLS 2.DOES NOT RANK BULLS 3.HIGH PROBABILITY OF BEING FERTILE - NOW 4.NOT A GUARANTEE, BUT A GOOD INDICATION OF POTENTIAL END RESULT

19 THANK YOU


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