• Observed assisted reproductive technology (ART) procedures such as in vitro fertilization (IVF), intracytoplasmic sperm injection (ICSI), embryo freezing, and embryo transfer (ET) • Performed sperm preparation techniques such as simple washing and swim up techniques• Performed basic semen examination, consists of macroscopic evaluation (volume, liquefaction, pH) and microscopic evaluation (motility, vitality, concentration, morphology, agglutination, and cellular elements other than spermatozoa)• Performed extended semen examination such as DNA fragmentation index (DFI)

• Assisted the research of Prof. Dr. drh. Agik Suprayogi, M.Sc. Agr. AIFH on the potency of depolarized katuk’s leaves for increasing the productivity of cattle at PT. Great Giant Livestock, Central Lampung Regency• Prepared daily feed rations and distributed the correct rations to the test and the control groups • Recorded daily milk production of the test and the control groups• Monitored and recorded health status of the test and the control groups • Collect blood and milk samples of the test and control group for outside laboratory analysis • Performed monthly weighing and body condition scoring of the test and the control groups• Responsible for reporting the results to the research team

• Performed basic animal care, including grooming, feeding, cleaning and disinfecting cages, and administering medications• Assisted doctors and technicians in the room for clinical examination• Prepped the animals for surgery• Maintained and sterilized surgical instruments and equipments• Assisted doctors during surgical procedures by maintaining unobstructed surgical fields and passing instruments • Monitored and cared for animals after surgery

• Set up the lab materials, ectoparasite specimens, and equipments for demonstration and use by students• Guided the students during the lab lessons• Participated in assessment and evaluation of student activities in the lab

• Set up the lab equipments and cadavers for demonstration and use by students• Guided the students during the lab lessons• Participated in assessment and evaluation of student activities in the lab