000			02623nam a2200205Ia 4500
005			20150918150701.0
008			150525s 2000 xx 000 0 und d
041			_aeng
082			_a0642,T
100			_aAfzal Wazir, M _96298
110			_cImtiaz Hussain Khan _94391
245			_aEffect Of Timing Of Insemination On Conception Rate In Local And Cross Bred Cattle (Adult Cow) In Bannu And Wana
260			_c2000
502			_aA total 120 local breed cows were inseminated with frozen semen. Among these 60 cows were inseminated with single insemination, while 60 cows were inseminated twice in same oestrus period with interval of 6 hours. MI these cows were checked for pregnancy by rectal palpation method. Among these cows 30 cows were injected with progesterone 50 mg i/m one minute after insemination. The conception rate in control group is 43.33% and treated group 46.66% in single insemination while in double insemination 60% in control group and 63.33% in progesterone treated group respectively. It is concluded that double insemination with frozen semen in local cows increase conception rate, while the conception rate is also improved by progesterone treatment in single and double insemination in local breed cows. In cross bred 120 cows were inseminated with frozen semen. Among these 60 cows were inseminated single insemination and 60 cows were inseminated twice in same oestrus after 6 hours of interval. Traced all cows and checked for pregnancy by rectal palpation method. Among these in each group 30 cows were injected with progesterone 50mg i/m one minute after insemination. The conception rate is 50% in control group and 46.66% in progesterone treated group in single insemination, while 53.33% in control group and 60% in progesterone treated group in double insemination. It concluded that the use of exogenous progesterone In signle insemination cross bred cows may adversely effect the hormonal profile and ovulation, while in double insemination exogenous progesterone was administered at the end of oestrous, effect the conception rate favourable. A total 12 semen samples, each consisting of two consecutive ejaculates, collected from one bull of Holstein Friesian breed. The seman was extended in lactose, fructose egg yolk, glycerol extender. Semen packed in 0.5ml French straws was frozen and stored in liquid nitrogen. Thawing was carried out in hot water at 35oC for 20 second.
650			_aDepartment of Theriogenology _916122
700			_aKhalid Saeed _94358
700			_aM.Subhan Qureshi _96300
710			_aFaculty of Veterinary Sciences _94292
942			_cTH
999			_c2385 _d2385