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SEMEN TEST BULL BREEDING SOUNDNESS EXAMINATION B.B.S.E.
50 NORMAL, CYCLING, DISEASE FREE COWS 60% (In 3 weeks) and 90% (In 9 weeks) PREGNANT AT 42 DAYS FERTILE
COW BULL MULTIFACTORIAL
COW CYCLING Nutrition Days since calving Age of puberty DISEASE FREE Pestivirus Vibriosis Trichmoniasis Leptrospirosis ??????????? HEALTHY UTERINE TRACT Infection Scaring Cystic Ovary Freemartin
BULL SOUND SERVING ABILITY Mount Penile Erection and extension Intromission (seeking) Thrust DISEASE FREE Pestivirus Vibriosis Trichomoniasis ?????????? SPERMATOZOA Numbers Motility Morphology
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
GENERAL HEALTH WALKING ABILITY NORMAL FEET NORMAL LEG STRUCTURE PHYSICAL EXAM
PENIS & PREPUCE SCROTUM & TESTICLES SEMINAL VESICLES REPRODUCTIVE TRACT
PENIS AND PREPUCE
SCROTUM & TESTICLES
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
ARTIFICIAL VIRGINA (AV) SEMEN COLLECTION ELECTRO-EJACULATION (EJ) MASSAGE
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
SEMEN SCORE & MORPHOLOGY
SERVING ABILITY SERVING CAPACITY
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
Do You Know Where Your Bull Is? Do You Know Your Bull’s Physical and Fertility Conditions? Do You Know the Importance of Breeding Soundness Evaluation?
Bull Breeding Soundness Evaluation Thanks to Dr. Rod Christmas.
MANAGEMENT OF BULLS FOR REPRODUCTIVE AND ECONOMIC SUCCESS Cliff Lamb Beef Specialist University of Florida.
Male Reproductive System. The Male Reproductive System The functions of the male reproductive system are to produce sex hormones, produce and store sperm,
Male Reproductive System. The Male Reproductive System The functions of the male reproductive system are to produce testosterone, produce and store sperm,
Can You Breed a “Good Breeder” Kristi M. Cammack Department of Animal Science University of Wyoming.
Bull Care Seminar Cow Calf Seminar-UW Extension Livestock Team Elk Mound- March 23 Almond-March 25 Platteville-March 26 Prepared by Keith Vander Velde,
Replacement Heifer Management: A coordinated management concept Richard F. Randle, DVM, MS Beef Extension Veterinarian University of Nebraska-Lincoln.
Anatomy and Development. Male Anatomy STRUCTUREPURPOSE Scrotum-Pouch that contains the testicles Testicle-A gland that produces sperm and testosterone.
MALE REPRODUCTIVE SYSTEM Conference on the VIBS 443/ VIBS 602.
Gamete Ovum Sperm Gonads Ovaries Testes Copulate Ejaculation Gestation Parturition Intromission.
MALE REPRODUCTIVE TRACT. watch?v=WEzcK-OKd10.
Animal Reproduction Extension beyond the Textbook.
Anatomy and Physiology: Reproductive Systems (3025B) By Jessi Spry and Kathryn Shaull.
The Basics Reproduction is the method in which organisms produce offspring Genetics and Reproduction among the most rapidly changing technologies in today’s.
Topic 2: Human Reproductive System. Objectives… Students will be able to: Identify and explain the structure and function of the male and female reproductive.
Male reproductive organs are for intercourse, reproduction and urination.
Animal Reproduction Animal Science. Functions of the Male System.
Reproductive Management of Herd Sires By Paul Coe, DVM Michigan State University.
Male reproductive system Anatomy and physiology Kristina Njerš Mentor: A. Žmegač Horvat.
Unit Basic principles of agriculture/horticulture science:
Male and Female Reproductive Systems. Male Reproductive System It includes both internal and external organs Two main functions: Production and storage.
Animal Reproduction Extension beyond the Textbook Original Power Point Created by Casey Osksa Modified by Georgia Agricultural Education Curriculum Office.
Semen analysis. Introduction Semen is a white or grey liquid, emitted from the urethra (tube in the penis) on ejaculation. The purpose of semen is purely.
But This… Not This… Artificial Insemination Documents from around 1322 A.D. state that an Arab chief wanted to mate his mare to a stallion owned by.
Reproductive Problems 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical.
Human Reproductive System Gonads – make gametes! Ducts – gametes and fluid travel through. Accessory Organs and Glands External Genitalia Fertilization.
B115 Male Reproductive Anatomy & Physiology. Lesson Outline Male Reproductive Terms Male Reproduction Process Glands Semen Evaluation Abnormalities.
The Male Reproductive System. Structure and function Composed of both internal and external organs. Internal organs - store, nourish, and transport the.
Equine Male Reproductive System. Consists of: 2 testes 3 accessory sex glands Series of tubules through which spermatozoa are transported to the female.
Human Reproduction. The Male Reproductive System.
CORRELATION BETWEEN THE TESTICULAR ECHOTEXTURE AND THE SEMEN PRODUCTION IN YOUNG BREEDING BULLS 1 Gábor G, 2 Szász F, 1 Györkös I. 1 Dept. Cattle Breeding,
Show-Me-Select Replacement ™ Heifer Program Dr. Joe Parcell University of Missouri – Columbia.
Breeding Methods By Walt Iciek Topic# Two Main Types of Breeding Artificial Insemination –Collected semen deposited directly in to females reproductive.
Dr. Matt Hersom Dept. of Animal Sciences. Bull Management General Thoughts on Management Nutritional Stages Feeding Examples.
The Male Reproductive System. Learning Goals Outline the male reproductive system and explain each part and its’ function. Explain the fertilization process.
Reproductive system. Human reproductive system –Produces, stores, nourishes and transports functional gametes Fertilization –Fusion of sperm and immature.
Unit C Basic principles of agriculture/horticulture science:
Male Reproductive Tract Information comes from IMS 8405.
ANATOMY VOCABULARY What is it? What does it do? Is it a boy or a girl?
Male Reproductive System Upper Middle Level Health
REPRODUCTION n 1. List the parts and functions of the female reproductive tract: n 1. A. ovaries- produce eggs, secrete hormones, form the corpus luteum.
Lesson Understanding Animal Reproduction. Interest Approach Explain how a rabbit producer increases the size of the herd. Which alternative would be used.
P REPRODUCTIVE SYSTEM Objectives: Describe the parts of the male/female reproductive systems Understand how to take care and seek help for the male/female.
By: Valerie D. Blair and Dr. Frank Flanders Georgia Agricultural Education Curriculum Office April 2003 * Special thanks to Dr. Russ Page of Reproductive.
The Male Reproductive System Male Reproductive System cowper’s gland.
Scrotal forms (bulls) Relaxed scrotums, testicles are relatively far from the body Scrotums with short neck, testicles are close to the body Oval formsRound.
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