Muhammad Zubair, Sajid Mahmood Sajid
...ones needed to stimulate ovulation. Clomifene is useful in those who are infertile due to anovu- lation or oligoovulation. Clomifene inhibits estrogen receptors in the hypothalamus, inhibiting negative feedback of estrogen on gonadotropin release and leading to up-regulation of ovulation. It has useful effects on the reproduction of female in terms of reduction in puberty and
Ihsanullah*, Muhammad Subhan Qureshi, Sohail Akhtar and Syed Muhammad Suhail
...irst calving, postpartum ovulation interval and dry period. Calving interval, postpartum ovulation interval and dry period were significantly longer in the spring season while age at first calving was significantly longer in autumn. Significantly high milk production was found in HF 50%. Peak daily milk yield and lactation length were significantly higher in autumn and spring respectively. Animals with highest exotic blood l...
Olufisayo Bamidele* and Safiriyu Idowu Ola
...t substance for inducing ovulation in low sexually receptive does submitted for AI. ...
Syahruddin Said1*, Widya Pintaka Bayu Putra1 and Dani Nur Arifin2
...wth, oocytes maturation, ovulation and corpus luteum formation. The aim of this study was to identify the polymorphisms in the exon 11 of bLHR/HhaI gene (SNP g.1553C>T) and its association with service per conception (S/C) of Pasundan cows of West Java, Indonesia. Total of 147 Pasundan cows were used in this study. The PCR-RFLP analysed three genotypes of CC (0.11), CT (0.57) and TT (0.32) were detected in the Pasundan bLHR/HhaI gene with T al...
Muhammad Younis1, Muhammad Irfan-ur-Rehman Khan1*, Mustansar Abbas1, Ali Murtaza1, Imran Mohsin2, Muhammad Shahzad3 and Muhammad Zahid Tahir1
...the wave pattern, single ovulation occurred in each cycle. CL was first detectable on Day 4.0±0.1, it reached maximum diameter on Day 9.0±0.1 and luteolysis began on Day 12.2±0.2 of the cycle. Peak estradiol-17β concentration was observed 48h before ovulation and correlated with the diameter of the preovulatory follicle (r=0.84; p<0.05). Plasma progesterone concentration was maximum on Day...
Arman Sayuti1, Hamdan Hamdan2, Miftahul Jannah3, Safriadi Safriadi3, Teuku Nasri3, Tongku Nizwan Siregar2*
...tract of bovine for superovulation.
...
Saeed Akram Khan1, Shahid Sherzada1*, Muhammad Ashraf1, Durr-e-Shehwar1, Sonia Iqbal1, Usman Atique1,3, Farzana Abbas1, Sohail Ahmad2 and Muhammad Sultan Haider4
...investigated include the ovulation time, embryonic and larval development, and yolk sac absorption induced at 4 different water temperatures viz. 26, 29, 32 and 34 ºC. C. mrigala displayed the maximum release of eggs, fertilization and hatching rates at 29 ºC. The maximum number of eggs were observed in 26oC whereas the lowest were obtained in 34oC. 85020.48). However, the temperature exceeding 30ºC not only increased the cell growth but signifi...
Rashid Al Zeidi1, Haitham Al Masruri2, Aiman Al Mufarji3*, Abd El-Nasser Ahmed Mohammed3
... embryo development upon ovulation and fertilization. Molecules transfer to oocytes through gap junctions of cumulus cells. Therefore, cumulus cells and their secretion, follicular fluid, effect on oocyte maturation and developmental potential of the resulting embryos in vivo and in vitro. Because of the importance of cumulus cells on follicular development, this review was made to collect and consolidate the current knowledge of cumulus cells effects on matur...
Duong Thanh Hai1*, Tomas J. Acosta2, Tran Thi Minh Tu3
...trium around the time of ovulation. In preliminary experiment, doses of PF915275 (PF, 11-β hydroxysteroid dehydrogenase type 1 inhibitor) was exanimated. PF at a dose of 1000 nM (PF1000) decreased significantly the absolute conversion of Cs to Cr (p<0.05). Thus, the PF1000 was chosen for the further studies. Tissues of endometrium were collected at the follicular stage (days 19-21), and exposed to Cs (300 nM) or Cs (300 nM) combined with oxytocin (OT, ...
Abdullah Channo1*, Asmatullah Kaka1, Qudratullah Kalwar2, Imdadullah Jamali3, Ghulam Jelani2, Muhammad Bakhsh4, Ghulam Nabi Dahri5 and Jai Parkash Goil6
... follicular development, ovulation, reduced reproductive performance, unsuccessful ovulation, increased interval between parturition and conception, low conception rate, decrease in calving rate, increase in number of inseminations at each conception and finally culling. The incidence of COD is ranges from 5-30%, due to the improper managemental system, and the prevalence of COD is 10-13% which is associated with selection, ...
Tahreer Mohammed Al-Thuwaini*, Ali Basim Abd Al-Hadi
... many factors, including ovulation rates, body scores, uterine capacity, and ewes’ body condition. Productive traits of ewes are known to be affected by lamb sex and body measurement. Thus, this study aimed to investigate the association of lamb’s sex with the ewes’ body measurement in single and twin pregnancies in Awassi ewes. Within the current study, 232 sexually mature, healthy ewes (109 with twins and 123 with single pregnancies) betwee...
Ali Basim Abd Al-Hadi*, Tahreer Mohammed Al-Thuwaini, Mohammed Baqur Sahib Al-Shuhaib
...uctive traits, including ovulation rate, hormones, and genetics. Genetics and endocrine signal transpositions between the pituitary and the ovary play a crucial role in the reproductive traits of sheep. Genetic polymorphism of candidate genes is associated with economic traits. Follistatin (FST) gene is one of the most notable potential candidate genes linked to economic traits. This study aimed to assess the genetic variation of the FST gene and reproductive ...
Veasna Chem1 †, Hong-Seok Mun1,2 †, Keiven Mark B. Ampode1, Shad Mahfuz1, Il-Byung Chung1, Muhammad Ammar Dilawar1,3, Chul-Ju Yang1,3,*
...he control of estrus and ovulation has become the main topic for a batch of flow management, and the failure to detect estrus accurately has the greatest impact on labor rate and little size. Digital infrared thermal imaging (DITI) technology can easily recognize and detect animals’ temperature changes, which would be useful in farm animal production. This study investigates the possibility of replacing a contact thermometer with a non-contact thermomete...
Othman E. Othman1*, Lingjiang Min2, Amira M. Nowier3
...epigenetic regulation of ovulation rate through DNA methylation profile using WGBS. The whole genome DNA was extracted from ovaries of Zaraibi goats belonging to two different fertility groups: high (HFG) and low (LFG) fertility groups. The extracted DNA was subjected to WGS after treatment with bisulfite. The findings declared that a small difference in the DNA methylation levels is present among high and low fertility groups. The methylated C frequencies in ...
Abhishek Pandit1, Suman Poudel2, Manish Gautam3* and Shambhu Shah4
...n followed by estrus and ovulation in cows when administered during the luteal period. Progestin suppresses the activity of the ovary and inhibits the dominant follicle maturation due to the suppression of both FSH and LH. Gonadotropin-releasing hormone or an analog is administered with PGF2α to estrous- cyclic and noncyclic cattle disrupts the patterns of follicular growth, inducing ovulation on a large follicle. To s...
Jianmin Liu1, Jiancheng Zhang2, Peijuan Wang3,* and Moslem Lari Najafi4
...acy, glucose metabolism, ovulation and fertility in each group. There are statistical differences in sex hormone level, ovarian arterial blood flow, ovarian volume and number, treatment efficacy, glucose metabolism, ovulation and fertility in each group (P<0.05). The total effective rate of new addition congrong tusi pill is 100.00% for ovarian function decline, while that of diethylstilbestrol treatment is only 83.33%, a...
Umar M. Bello1*, Samuel A. Ojo1, Abdurrahman Ghaji1, Ambrose A. Voh (Jr)2, Muazu N. Bappah3, Casmir O. Igbokwe4
...ning the optimum time of ovulation, fifteen (15) apparently normal, non-pregnant cycling Red Sokoto does were used to evaluate exfoliative vaginal cytology sequential pattern; as well as temperature (rectal and vaginal) changes relative to various stages of the oestrus cycle. The does were synchronized by treatment with two luteolytic dosages of PGF2α analogue (Lutalyse®, Dinoprost tromethamine), 12.5mg administered intramuscularly in the gluteal r...
Maskur1*, Muhammad Muhsinin1, Sulaiman Ngongu Depamede2
...is widely known that the ovulation rate and litter size in sheep breeds are significantly impacted by the BMP15 (FecXG) and BMPR-1B (FecB) gene alterations. Based on this knowledge, the study’s objective was to determine the presence of BMP15 and BMPR-1B gene polymorphisms and how they affected the prolific traits of Kacang and Boerka goats. This study indicates that the FecXG and FecB mutations were associated with litter size in Kacang and Boerka goat ...
Ghulam Jelani1, Qudratullah Kalwar1*, Asmatullah Kaka2, Abdullah Channo2, Ayyaz Ahmed1, Majid Hussain Soomro1, Hidayatullah Soomro1, Deepesh Kumar Bhuptani1 and Yar Muhammad Jalbani1
...icial insemination, superovulation, cloning, embryo recovery and its transfer, in vitro fertilization, cryopreservation and transgenesis. Among these technologies, embryo transfer has achieved a great importance having produced numerous offspring from a genetically superior female. After the first successful transfer of mammalian embryos in 1890, it was approximately 60 years before significant progress became quite noticeable in the basic technology of embryo...
Saleh Aljubran, Shaker Al-Suwaiegh, Yousef Alyousef, Sulaiman Alhajri, Mohammed Alghareeb, Abd El-Nasser Ahmed Mohammed*
...us synchronization, superovulation, embryo transfer, germ cells or embryos’ micromanipulation, sperm sexing, cryopreservation of ovarian tissues and germ cells and embryos, and genome resource banking for mammalian species. Such biotechnologies allow more offspring to be obtained from selected parents to increase milk and meat productivity, reduce the interval between generations, therapy of diseases and conservation of endangered mammalian species. Prac...
Zubair Ali, Muhammad Sohail*, Yasir Ameen, Hamidullah, Ishtiaq Ahmed and Mehwish Malik
...for re-synchronzation of ovulation, differential management strategies for cows carrying twin fetuses conducted....
Sri Rahayu*, Muhaimin Rifa’i and Widodo
...emale gonad development, ovulation cycle mechanisms, ovarian follicle growth, and female fertility....
Qingjin Li1,2, Zhiyuan Sui1,2, Jihu Zhang1,2, Zhishuai Zhang1,2 and Feng Xing1,2*
...ting the development and ovulation of follicles in the ovary....
Cut Intan Novita1,2, Kartini Eriani3, Amalia Sutriana4, Tongku Nizwan Siregar5,6*, Ni Wayan Karja7
... studies related to superovulation due to its high content of both hormones. Therefore, this study aimed to determine the effect of bovine pituitary extract (BPE) supplementaion to vitrification media. A total of 18 ovaries were usedwhich was divided into two groups: the vitrification medium group without Bovine Pituitary Extract (BPE, GibscoTM) (1 ml PBS + 0.5 M sucrose + 30% ethylene glycol) and with BPE addition (1 ml PBS + 0.5 M sucrose + 30% ethylene glyc...
Gokarna Gautam1*, Hari Adhikari1, Bhuminand Devkota1, Subir Singh2
....7% vs 68%; P=0.008) and ovulation rate (93.3% vs 76%; P=0.10) were higher in CIDR-synch than in Ovsynch group. Although pregnancy rate from FTAI did not differ between CIDR-synch (33.3%) and Ovsynch group (16%), overall pregnancy rate obtained from FTAI plus natural breeding within one month after FTAI was higher (P=0.04) in CIDR-synch (46.7%) than in Ovsynch group (20%). Pregnancy outcome from FTAI in both treatment groups was not affected by the ovarian cyc...
Aura Oktiefa Adyantono, Sugiharto Sugiharto, Daud Samsudewa*
...he occurrence of delayed ovulation, thus requiring external hormone intervention. Based on the finding, Bos indicus crossbred cattle are more recommended to be raised in tropical areas with high environmental temperature. Further meta-analysis that categorized the reproductive quality of crossbred cattle based on the location altitude, feeding management, age and/or parity, needs to be conducted to determine the most optimal rearing conditions.
&nb...
Hind A.Norii1, Adel M.Hassen ALZobidy2*
...aracterized by chronic anovulation, polycystic ovaries, biochemical and clinical manifestations of hyperandrogenism. This study aims to evaluate the effects of the alcoholic extract Vitex agnus-castus on body weight gain and possible alteration of reproductive hormones in letrozole-induced PCOS induced by letrozole in adult female rats. The negative control received 1 ml of 0.5% carboxymethyl cellulose (CMC) whereas positive control animals received 1 mL of 0....
Hafizuddin1, Sri Wahyuni2, Tongku Nizwan Siregar1*, Amalia Sutriana3, Ririn Triyuliani4, Siti Hanyyah Herviani4, Muhammad Farhan Syuhada4, Nur Salimah4, Muharni Mardiah Eriswandi4, Ratu Permata Ayu4, Putroe Hayatun Nufus4
...xt-align: justify;">Superovulation using gonadotropin hormones are characterized by several limitations, leading to a wide variation in the resultant response. To overcome these limitations, several studies have recommended the use of bovine pituitary extract (BPE) as an effective alternative in improving animal reproduction. Therefore, this study aims to determine the ovarian and hormonal responses of local rabbits after superovulatio...
Fahad A. Alshanbari1, Abdelrahman M. A. Elseory2,3*
... as sperm collection and ovulation occurring during mating. Superior dromedary camels with excellent genetic backgrounds are essential targets for selecting and cloning due to their superior fitness. Also, dromedary camels with excellent morphological features, as well as production and aesthetic camels are crucial resources for future use as cell sources for camel cloning. Somatic cell nuclear transfer (SCNT) has been achieved in many attempts to produce clon...
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