Asma-ul-Husna1, Muhammad Sajjad Ansari2, Bushra Allah Rakha3, Rabea Ejaz1, Nemat Ullah1 and Shamim Akhter1*

...-thaw quality of buffalo bull semen. For this purpose, two consecutive ejaculates were collected from three Nili-Ravi buffalo bulls using artificial vagina at weekly intervals for a period of three weeks (three replicates). Qualifying semen ejaculates were diluted (50×106 motile spermatozoa ml-1) in tris citric acid extender with melatonin at 0 (control), 0.1, 0.5, 1, and 1.5 mM. Diluted semen was cooled to 4°C for 2 h and equilibrated for 4 h at 4&d...
Hamayun Khan1,*, Momen Khan2, Muhammad Subhan Qureshi3, Shakoor Ahmad1, Ali Gohar4, Hameed Ullah5, FarmanUllah6, Arab Hussain7, Pershotam Khatri8, Said Sajjad Ali Shah1, Hamid Rehman1 and Azmatullah Khan1
...act on the cryopreserved bull semen. Experiments were carried out on Achai breeding bulls of similar age at the Semen Production Unit, Harichand, District Charsadda, Khyber Pakhtunkhwa. Collection of semen was done using artificial vagina (42°C) for three weeks. Semen was extended in egg yolk extender at various inclusion levels (0.0%, 0.25%, 0.5%, 0.75 and 1.0%) of green tea extract. Testing was consummated for quality characteristics of post-thawed sperm...
Asmatullah Kaka2, Wahid Haron1,*, Rosnina Yusoff 1, Nurhusien Yimer1,  A.M Khumran1, Akeel Ahmed Memon2, Kazhal Sarsaifi1 andMahdi Ebrahimi3
...frozen-thawed quality of bull semen. Twenty-four ejaculates (8 from each bull) were collected from three bulls. Semen ejaculates having motility ≥70% and normal morphology ≥80% were extended into Tris extender consist of equal concentration of each ALA and DHA (0, 3, 5, 10,15ng/ml). Extended semen was cooled at 5oC for 2 hours at 5oC and then packaged in 0.25ml straws and stored into liquid nitrogen for 24 hours. Successively, thawi...
Nizam Uddin Jamali1, Asmatullah Kaka1,*, Pershotam Khatri1, Moolchand Malhi2, Muhammad Naeem3, Akeel Ahmed Memon1, Rameez Raja Kaleri4, Habibullah Janyaro5 and Dildar Hussain Kalhoro
...uality of Kundhi buffalo bull semen. After collection ejaculate was brought in Semen Production Unit. Semen was evaluated as fresh for volume, colour, motility, morphology, live dead ratio, membrane integrity and sperm concentration, post chilling for motility, morphology, live dead ratio, membrane integrity and frozen thawed for motility, morphology, live dead ratio and membrane integrity. Semen volume and colour were determined by visual examination, pH was ...

M. Tariq Javed1, Nazir Ahmad2, Gulbeen Saleem3, Haleema Sadia4, Farkhanda Manzoor5 and Ghulam Hussain Dilbar

EFFECT OF AGE AND SEASON ON SEMEN CHARACTERISTICS OF BUFFALO BULL - A REVIEW and season on buffalo bull semen characteristics. 

Zakirullah1, Hamayun Khan1, Ali Gohar2, Haq Amanullah1,*, Muhammad Younas1, Muhammad Tarique Tunio3, Muhammad Saleem Khan4, Ibrar Muhammad Khan1 and Noushad Khan5 and Holstein Friesian bull semen under the subtropical conditions of Peshawar region of Pakistan. Semen of six adult bulls, three Achai (the indigenous breed) and three Holstein Friesian (exotic breed) amount to the experimental material at Government Cattle Breeding and Dairy Farm Harichand, Charsadda. Separate artificial vagina was utilized for semen collection from either breed, maintained at 42°C temperature. Gross and microscopic examination was ca...

Pakistan Journal of Zoology


Vol. 52, Iss. 4, Pages 1225-1630


Click here for more

Subscribe Today

Receive free updates on new articles, opportunities and benefits

Subscribe Unsubscribe