BSE II RAM BUCK S Tona Olurode Theriogenology

BSE II RAM / BUCK S. ‘Tona Olurode Theriogenology Unit Vet Public Health & Reproduction COLVET, UNAAB

RAM/BUCK BSE 1: INDICATION, IMPORTANCE AND IMPLICATIONS Indicationl To detect male that are sterile l To detect and remove those with reduced fertility Importance- to rule out defective males and / or treat them Implication- to maximise the breeding potentials by allowing reduction in the male/female ratio for mating purposes.

BSE II PHYSICAL EXAMINATION l l 1. 2. 3. Physical exam involves thorough exam of the animal including the following critical areas: Locomotor system Body condition score Reproductive system. Prepuce, Penis and inguinal ring Scrotal exam including skin, wool, testes, epididymis, scrotal circumference, scrotal neck and base Libido

BSE III Semen collection and evaluation l Semen collection. General considerationsseparate male from female at least 3 days prior to collection deprive male of food and water 12 hrs before for a good result Methods- EE, AV and manual massage

CLASSIFICATION OF RAMS/BUCKS AT SEMEN EVALUATION SCROTAL CIRCUMFERENCE <14 MTHS SCROTAL CIRCUMFERENCE >14 MTHS MOTILITY MORPHOLOGY Excellent > 33 cm > 35 cm > 50% > 90% Satisfactory >30 cm > 33 cm > 30% > 70% Questionable <30 cm < 33 cm < 30% < 70% CLASS

Table 1 – Normal semen quality in the mature ram and buck Ram Buck Volume (ml) 1 (0. 8 -1. 2) 0. 8 (0. 5 -1. 0) Sperm concentration (109/ml) 2. 5 (1 -6) 2. 4 (2 -5) Motile sperm (%) 75 (60 -80) 80 (70 -90) Morphological normal sperm (%) 90 (80 -95) 90 (75 -95)

BSE III: INTERPRETATION l Data obtained from the physical examination will assist the vet to decide on how to classify the buck/ ram into any of the FOUR categories: excellent; satisfactory; questionable or unsatisfactory.

Thank You All For your patience, perseverance and understanding.