Muhammad Zubair, Sajid Mahmood Sajid
...in terms of reduction in puberty and ovulation induction. The beneficial effects are manifested in male in terms of improvement of semen....
Misbah Riaz1, Qaiser Mansoor2, Maleeha Akram1, Muhammad Ismail2, Parveen Akhtar3, Shakeel Mirza4, Mazhar Qayyum1, Afzaal Ahmed Naseem1, Faheem Tahir5 and Syed Shakeel Raza Rizvi1*
...einizing hormone (LH) at puberty. The deficiency in release or action of GnRH leads to hypogonadotropic hypogonadism (HH) characterized by low FSH, LH and testosterone (T) and absent or impaired sexual development at puberty. Amongst others, mutations in GPR54 and GnRH receptor (GNRHR) are possible causes of HH. This study aimed at identification of mutations in GPR54 and GNRHR genes and their correlation with HH in Pakistan...
Afzaal Ahmad Naseem1*, Maleeha Akram1, Sarwat Jahan2, Kiran Afshan2, Zubaria Iqbal1, Faheem Tahir3, Mazhar Qayyum1 and Syed Shakeel Raza Rizvi1
...gitudinal bone growth at puberty or pubertal growth spurt has been ascribed to reciprocated physiological influences of both somatotropic and gonadal axes, manifested as higher secretion of growth hormone (GH) and testosterone (T). GH and T affect linear growth velocity (LGV) directly through stimulation of chondrocytes and osteoblasts. Furthermore, T promotes LGV through augmentation of GH secretion. Nevertheless, age and developmental stage dependent changes...
Wenqiao Hui1, Jishun Tang1, Dejian Zhu1, Qian Ban2* and Sheng Chen1*
...ls, age at attainment of puberty is an event that contributes significantly to lifetime reproductive efficiency. Anhui white goat is a native Chinese breed, with the characters of early time puberty onset and high fecundity. However, the molecular mechanism of puberty onset has not been well understood. It has been demonstrated leptin act as a critical metabolic cue linking adipose and the...
Abd El-Nasser Ahmed Mohammed*
...has been shown to induce puberty and pregnancies successfully. The aims of the present study were to evaluate ovaries age effect on restoration function upon transplantation in mice and rats. Eighteen adult female rats were classified to three equal groups in addition to sex young females as donor of young ovaries. Similar classification was done using eighteen female mice and sex young females. The females of mice or rats were anesthetized for ovarian transpl...
Ali Haider Saleem1,*, Khalid Javed2, Masroor Ellahi Babar3, Tanveer Hussain3, Asad Ali2, Afzal Ali2, Nisar Ahmad2, Muhammad Zahid Farooq1 and Muhammad Dawood2
...s functions like growth, puberty, reproduction and milk production in both animals and humans. The sequence variations have been studied, reported and associated with many growth traits like weaning weight, six month body weight and nine-month body weight etc. in cattle, buffalo, goat and sheep worldwide. LEP gene polymorphism and associations have not been extensively reported in Lohi sheep of Pakistan, so this study aimed to find any variations in gene seque...
Zhongquan Zhao*, Tianyuan Yang, Lei Qiao, Qijie He and Zinuo Dai
...s showed that the age of puberty, sex maturity and breeding for male and female kids were 102.0±4.2 days vs. 117.0±8.7 days; 216.0±28.5 days vs. 195.0±22.4 days; 490.0±38.5 days vs. 355.0±27.5 days, respectively. Estrous cycle was 20.1±0.5 days. The duration of the natural estrous period of Dazu black goat (41.4±8.6 h) was longer than these reported goat breeds and was not significant difference among the...
Turab Ali Kaurajo1*, Huma Rizwana1, Gulbahar Khaskheli2, Muhammad Haroon Baloch1, Muhammad Naeem Rajput1, Asad Ali Khaskheli3 and Mohsin Solangi1
...t study area. The age of puberty and breeding life were 3-5 and 12-22 years respectively in females. Duration of estrus cycle in camel varied from 16-22 days. Average hair production of 1.63, 1.62, 1.47 and 1.36 kg was noted for Kharai, Dhatti, Larri and Sakrai breeds respectively. Average daily milk production of Dhatti, Sakrai, Kharai and Larri camels were recorded as 6.40, 5.23, 4.90 and 5.20 liters respectively while the lactation yield was found 1529.30, ...
Asim Faraz1*, Abdul Waheed1, Muhammad Mudasser Nazir2, Aneela Hameed3, Nasir Ali Tauqir4, Riaz Hussain Mirza1, Hafiz Muhammad Ishaq1, Rana Muhammad Bilal5
...an cysts, delayed age at puberty, repeated estrous cycles, dystocia, abortions, dead fetuses and retention of the fetal membranes. OT administered exogenously or secreted endogenously, establishes in minutes the desired effects and metabolized to inactive products rapidly in the body. Irrespective of whether OT is ingested with milk or secreted into the milk, it is degraded readily by gut-enzymes so that it doesn’t reach the circulation in biologically-a...
Paul Oludare Adetunji* and Safiriyu Idowu Ola
...re taken on the onset of puberty parameters (age at first sperm cell and puberty) from 16-22 weeks of age, semen quality parameters (semen volume, semen concentration, sperm output, sperm motility and sperm abnormalities) from 26-52 weeks of age and sexual ornaments’ morphometry (Comb Length-CL, Comb Height-CH, Wattle Length-WL, Wattle Height-WH and Inter Pubic Distance-IPD) from 16-24 weeks of age. Data on onset of
Paul Oludare Adetunji* and Safiriyu Idowu Ola
Comparative Productive Performance among three Plumage Varieties of Noiler Hens
...24 weeks of age. Data on puberty and egg production performance indices were subjected to Analysis of Covariance with body weight at puberty as a covariate, while morphometry measurements were subjected to Spearman correlation analysis. Plumage colour difference had a significant (P<0.05) effect on the onset of puberty as lower age at first egg were recorded in brown and black pullets c...
Mustasim Famous1*, Asim Chakrabartty Aditya2, Shahabuddin Ahmed3 and Sabuj Sutradhar2
...nces. The average age of puberty of L×F, L×SL and L×S crossbred cattle were 23.7, 26.5 and 29.5 months, respectively. The average age at first fertile service for L×F, L×SL and L×S crossbreds’ cattle were 24.2, 27.0 and 31.0 months, respectively. The highest gestation length was 285 days and it was for L×S crossbred cattle. The lowest gestation length was 273 days and it was for L×F crossbred cattle. The hi...
Khlood G. Abdelkhalek*, Aly B. A. Badawy, Mohamed Fathi, Elshymaa A. Abdelnaby
...area toward probe before puberty (r=0.61), while after puberty, there was a positive significant correlation between both Doppler indices and testicular colored area toward probe with red color (r=0.74 and 0.66), FSH (r=0.69 and 0.64), LH (r=0.51 and 0.54) for both RI and PI, respectively. In conclusion, pituitary hormones (FSH and LH) and steroids (E2 and T) were changed around age of puberty...
Mohammed Sirajul Islam1,2*, Nurhusien Yimer1*, Wahid Haron1 , Faez Firdaus Abdullah Jesse1, Mark Hiew Wen Han1, Mamat-Hamidi Kamalludin3, Wan-Nor Fitri1, Ubedullah Kaka4, Abdul Quddus1,5
...erms of attaining age at puberty and sexual maturity earlier, whereas KK × Brangus bulls were better for growth performance.
Keywords | Kedah-Kelantan bull, Age, Average daily gain, Body weight, Sexual maturity
...
Asim Faraz1*, Bernard Faye2, Cem Tirink3, Ayman Balla Mustafa4, Amal AlKharusi5, Morteza Bitaraf Sani6, Nasir Ali Tauqir7, Muhammad Arslan Akbar8, Muhammad Usman Saleem9, Rana Muhammad Bilal7, Abdul Waheed1, Muhammad Shahid Nabeel10
...d by reducing the age at puberty and calving interval. The current study was showing the effects of forced mating as a tool in the reduction of age at puberty and calving interval in She-camels. For this purpose, thirteen female camels (3 female young stock –FYS, 10 parturient) belonged to Camel Breeding and Research Station (CBRS) Rakh Mahni Bhakkar Punjab, Pakistan were enrolled in this study. Available rutting male ...
Rashid Al Zeidi1, Haitham Al Masruri2, Aiman Al Mufarji3*, Abd El-Nasser Ahmed Mohammed3
...e their matured ova upon puberty. Oocytes surrounded by a single layer of pregranulosa follicular cells are called primordial follicles and they remain dormant in the meiotic prophase I stage. Activation of primordial follicles initiate through pregranulosa follicular cells. The primordial follicle takes several months to grow and develop to preovulatory follicles in mammals. Changes occur during follicular growth and development stages on the oocyte and the s...
Abd El-Moniem Ali S. Mahgoub, Ahmed Mohamed Abd El-Hafeez, Mahmoud Yassin Mohamed*, Al-Moataz Bellah Mahfouz Shaarawy, Mohamed Ibrahim Nassar
...;0.48 kg post-weaning to puberty. We aimed to investigate the effects of substituting sesban (Sesbania sesban) hay instead of clover hay on feed intake, digestibility, growth performance, and semen quality. Animals were randomly divided into four groups and fed four different rations. Ration 1 (R1) was the control (60% concentrate feed mixture + 40% clover hay). The remaining rations were supplemented with sesban hay by 10% (R2), 20% (R3), and 30% (R4) as a re...
Abd El-Nasser Ahmed Mohammed*, Aiman Al Mufarji and Sultan Alawaid
...e their matured ova upon puberty. A finite number of primordial follicles form in the fetal ovary from primordial germ cells (PG) during the first stage of fetal development. The primordial follicles consist of oocytes surrounded by a single layer of pregranulosa follicular cells and they remain dormant in the meiotic prophase I stage. Primordial pregranulosa follicular cells initiate activation of primordial follicle and govern the development of dormant oocy...
Wael Mohamed Wafa1*, Mohammed Mahmoud Hegazy1, Mohamed Mohamed El-said Ibrahim1, Hamdy Abdala El-Nagar1, Rehab Fawzy Ismail2
..., oral administration on puberty, some metabolic parameters, and pregnancy rate of Friesian heifers. Eighteen Friesian female calves (14.55±1.15 months of age and 205.0±16.09 kg LBW) were divided into three groups (6 in each) according to age and body weight. All groups were fed same diet; control group was untreated (CG), while those in the 2nd and 3rd groups were orally treated with 300 ml GL/head/twice/week (GG) or daily 25 g PF/100 LBW (PFG) ...
Adrial Adrial1*, Rudy Priyanto2, Salundik Salundik2, Ahmad Yani2, Luki Abdullah3
...including delayed age at puberty and first calving, delayed postpartum estrus and longer calving interval.
Keywords | Calcium, Phosphorus, Copper, Peatland, Reproductive Performance
...
Yufang Liu1,2, Guiling Cao3, Yujing Xie3 and Mingxing Chu1*
...lecular mechanism of the puberty effects on the reproduction of goats, goats at different growth stages from two breeds (Jining Grey (JG) goats and Liaoning Cashmere (LC) goats) were divided into three groups with three replicates (juvenile stage (JG 30d vs. LC 30d, AO group), puberty (JG 90d vs. LC 180d, BO group) and the same age control of puberty (JG 90d vs. LC 90d, EO group). Ovary ti...
Qingjin Li1,2, Zhiyuan Sui1,2, Jihu Zhang1,2, Zhishuai Zhang1,2 and Feng Xing1,2*
...ne in the onset of sheep puberty remains unknown, the cDNA sequence of CTSD from Duolang sheep was cloned and sequenced. The expression levels of CTSD were detected in the hypothalamus, pituitary, ovary, uterus and oviduct in the three development periods of prepuberty, puberty, and postpuberty. The results showed that the coding region of CTSD gene of D...
Al-Moataz Bellah Mahfouz Shaarawy1, Mahmoud Yassin Mohamed1*, Mahmoud Sayed Sayah2,1, Ashraf Ali Mehany1, Ezzat Arafa Ahmed El-Beltagi1, Shimaa M. Ali1
...ormance such as reaching puberty, and fertility compared to other groups. The 3rd group showed the highest concentrations of serum proteins, glucose, and lipid profiles. The 2nd group came next, and 1st group registered the lowest concentrations. In conclusion, data on GH and LP levels from birth to weaning could be a useful early-life selection tool for selecting high-performing individuals and predicting improved animal performance in the distant future thro...
Manar Mousa Alhussein*, Eman Faisal Albghdady
... in male Wistar rats pre-puberty (aged 50 days). Ten male rats, aged 35 days, were divided equally into control (G1) and treatment (G2) groups. Rats in control were subcutaneously administered 0.25 ml of olive oil; treated rats received subcutaneous injections of 50 µg/rat of estradiol benzoate dissolved in 0.25 ml of olive oil for 15 successive days. After 24hrs from the last treatment session, rats in both groups were weighed, put under general anesthe...
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Effect of Withania Somnifera Supplement on Thyroid Gland Hormones, Body Weight, Body Temperature and Thyroglobulin in Males Rabbits Induced with Hypothyroidism
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Effect of Dietary Supplementation of Binahong Anredera Cordifolia (Ten.) Steenis Extract as a Feed Additive on the In Vitro Ruminal Fermentation
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