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Studies On Semen Characteristics And Fertility Of Lohi Rams At Different Ages

by Babar Raza Khan | Naeem Ullah Khan | Nisar Ahmed | Rashid Ahmed Chaudry | Faculty of Veterinary Sciences.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1988Dissertation note: Abstract Availability: Items available for loan: UVAS Library [Call number: 0052,T] (1).

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2.
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Studies On The Mating Behaviour And Semen Characteristics Of Teddy And Beetal Bucks

by Tariq Aleem | Rashid Ahmed Chaudry | Imtiaz Hussain Khan | Nisar Ahmed | Faculty of Veterinary Sciences.

Material type: book Book; Format: print ; Literary form: not fiction Publisher: 1991Dissertation note: Present study was made to assess the relationship between Libido, mating behaviour and semen characteristics of two different breeds of bucks (Teddy Vs Bectal) at different stages of age. in past, no parameters have been fixed to investigate the effect of Sexual activities on the semen production and different semen characteristics of bucks Libido, mating behaviour and semen quality has been evaluated by using various tests for different physical parameters. A significant difference was observed in the Libido and mating behaviour indices with in the breeds and within the age groups i.e. 86.99 ± 1.25 Vs. 83.55 ± 3.89 (Group I Vs. II), 82.99 ± 3.17 Vs. 79.44 + 0.49 (group III Vs. IV) and 85.83 ± 0.83 Vs. 84.84 ± 3.69 (group I Vs. II) 81.79 + 2.00 Vs. 84.09 ± 1.04 (group III Vs. IV) where as a significant difference was observed in the volume of ejaculates, Percentage of live/dead spermatozoa, percentage of tail and mid piece abnormalities between the bucks of all the four groups i.e., 0.98 ml ±Vs. 1.02 ml ± 0.05 (group I Vs. II), 1.2 ml ± 0.04 Vs. 1.25 ml ± 0.09 (grouplll Vs. IV) and 5.14% + 0.37 Vs. 3.98 ± 0.29 kind 6.15 ± 0.45 Vs.4.32 ± 0.42 respectively. Where as, for mid piece abnormalities it was 7.01 ± 0.24 Vs. 1.48 ± 0.16 and 6.01% + 0.2 Vs. 1.32 ± 0.9 respectively. A highly significant difference was recorded for sperm cell concentration per ml and the percentage of total morphologically abnormal spermatozoa within the breed and within the age groups i.e., 2903.83 X io6 ± 24.35 Vs. 3829.03 X io6 ± 40.22 (group I Vs. II) and 2992.34 X 106 ± 26.83 Vs. 3776.74 X 1o6 ± 39.73 (group III Vs. IV) and 15.97 ± 0.74 Vs. 4.74 ± 0.29 (group I Vs. II), 16.98$ + 0.8 Vs. 3.95 ± 0.25 (group III Vs. IV). A non-significant difference was found in mass motility, pH, percentage of head abnormalities and percentage of presence of plasma droplet. Availability: Items available for loan: UVAS Library [Call number: 0214,T] (1).

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Studies On The Gross & Microscopic Structures On Urteri And Cervices During Different Stages Of Estrous Cycle In Teddy Goat

by Mazhar Iqbal | Imtiaz Hussain Khan | Nisar Ahmed | Rashid Ahmed Chaudry | Faculty of Veterinary Sciences.

Material type: book Book; Format: print Publisher: 1991Dissertation note: In Pakistan goat production has developed into one of the most important and significant agricultural enterprises which not only yields sizable quality of meat and milk but also provides hides and skin both for local consumption as well as export. although Pakistan is the second largest sheep and goat producing country in the near East region, little effort has been made to establish the macro, micro anatomy and biometry of the female reproductive organs of the Teddy goats. The present study relates, macro and micro studies on the uteri and cervices of 40 (ten from each stage of estrous cycle) healthy, non-gravid female Teddy goats upto one year of age in and around Lahore. The average values recorded in this study indicated the length of greater curvature, lesse curvature, width and thickness of right uterine horn were to be 11.19 ± 0.42, 9.94 ± 0.38, 1.40 ± 0.02 and 0.24 ± 0.01 cm and those for left horn were 11.65 ± 0.46, 10.4 ± 0.37, 1.42 4± 0.03 and 0.23 ± 0.03 cm. The mean number of caruncle and their diameter for right horn were 64.3 ± 1.94 and 0.28 ± 0.01 cm and for left horn were 66.2 ± 0.54 and 0.32 ± 0.01 cm respectively. The average length, width and wall thickness for the uterine body were 1.46 ± 0.09, 1.45 ± 0.16 and 0.24 ± 0.01 cm. The mean length and width for the cervix were 2.84 ± 0.08 and 1.42 ± 0.08 cm. The average no. of cervical rings were 4.52 ± 0.07. The left horn was found more in length than right horn. The maximum weight of uterine horn was observed during the estrus stage of the estrous cycle. The average weight for the right uterine horn, left uterine horn, uterine body and cervix were 5.25 ± 0.36, 5.42 ± 0.40, 1.54 ± 0.14 and 2.14 ± 0.21 gm respectively. The significant uterine histological feature was the presence of a simple columnar surface epithelium in the proestrus stage and pseudostratified columnar in the estrus, metestrus and diestrus stages of the estrous cycle. The surface epithelium of the cervix was found to be simple columnar during all stages of the estrous cycle. Further more no true glands were observed in the cervical wall. The lumen of cervix was seen divided by a number of longitudinal folds during all stages of the estrous cycle. Availability: Items available for loan: UVAS Library [Call number: 0321,T] (1).

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