Articles
3,478 open-access articles · page 100 of 174
Research ArticleSingle Nucleotide Polymorphism Induces a Positive Selection Pressure at Gag-Pol Sites in Human Immunodeficiency Virus Favoring Drug Resistance Mutations
Amreen Zahra, Mushtaq A. Saleem, Hasnain Javed, Muhammad Azmat Ullah Khan, Muhammad Naveed, Abdul Rauf Shakoori
Human immunodeficiency virus the retrovirus causes AIDS. HIV mainly targets the body’s immune system, including the CD4 cells, which help the immune system fight off infections. Gag-Pol are the principal viral elements in HIV-1, which cause disease initi…
29 Jun 2021DOI 10.17582/journal.pjz/20200525130507
Research ArticlePrevalence and Associated Risk Factors of Lameness in Cows at Commercial Dairy Herds in Punjab, Pakistan
Sajid Ali, Muhammad Avais, Aneela Zameer Durrani, Kamran Ashraf, Saira Jabeen, Sajid Hameed et al.
Lameness is one of the biggest insults to the well-being and productivity of dairy cows, which results in colossal economic losses for dairy producers. Nevertheless, it is overlooked and least studied dairy problem in Pakistan. The objective of this study was…
29 Jun 2021DOI 10.17582/journal.pjz/20200322100328
Research ArticleThe Function of a Migration Corridor for a Passerine: A Case Study Based on Age and Gender of Blue-and-white Flycatcher (Cyanoptila cyanomelana)
Bin Liu, Libo Wang, Dandan Xue, Peng Xu, Yuting An, Changhu Lu
Birds of different ages or sexes may select different migration strategies. We studied the spring and autumn migration as well as the body condition of different ages and sexes of the Blue-and-white Flycatcher Cyanoptila cyanomelana at a migration corridor in…
28 Jun 2021DOI 10.17582/journal.pjz/20190620040649
Research ArticleCircadian Activity Patterns and Time Budgets of the Complex-Toothed Flying Squirrel (Trogopterus xanthipes) in Different Seasons
Zhi Wang, Wenhua Liu, FadaoTai
The complex-toothed flying squirrel has completely different diet and living habits compared with other squirrel species. Still, its circadian activity patterns and time budgets in different behaviors remain unclear. Using artificial population of the animal b…
28 Jun 2021DOI 10.17582/journal.pjz/20200323070344
Research ArticleNew Fossil Collection of Hippohyus sivalensis (Artiodactyla: Suidae: Suinae) from Late Miocene to Pliocene of Siwaliks of Pakistan
Sadaf Aslam, Abdul Majid Khan, Muhammad Akhtar
The fossil remains of Hippohyus (Artiodactyla, Mammalia) from the Late Miocene/Pliocene of Middle and Upper Siwaliks are described.Hippohyus sivalensis is a common suid of late Miocene to Pliocene rocks of Tatrot/Hasnot area of Pakistan. The molar resemblance…
28 Jun 2021DOI 10.17582/journal.pjz/20200206060215
Research ArticleEmergence of Pathogenic Strains of Staphylococcus aureus in Goat Milk and Their Comparative Response to Antibiotics
Iqra Muzammil, Muhammad Ijaz Saleem, Amjad Islam Aqib, Ambreen Ashar, Syed Ashar Mahfooz, Sajjad ur Rahman et al.
The nutraceutical milk of goat in agrobased countries is at risk of contamination with pathogenic strains of Staphylococcus aureus. The current study was designed to investigate prevalence of pathogenic strains of S. aureus, assessment of risk factors, and in-…
16 Jun 2021DOI 10.17582/journal.pjz/20191024181008
Research ArticleEffects of Different Dietary Lipid Levels on the Growth Performance, Body Composition and Digestive Enzymes of the Dog Conch, Laevistrombus canarium
Jen-Hong Chu, Ya-Wen Lan, Shyn-Shin Sheen, Angela Chien
A feeding experiment investigated the effects of dietary lipid levels on the growth, muscle composition and digestive enzyme of 0.28 g Laevistrombus canarium. Five semi-purified diets containing 0% (L0), 2% (L2), 4% (L4), 6% (L6), and 12% (L12) lipids were for…
16 Jun 2021DOI 10.17582/journal.pjz/20200524130518
Research ArticleWild Resource Diversity of Mytilus unguiculatus Reduced by Aquaculture in the Southeast China Sea
Yahong Guo, Zeqin Fu, Jiantong Feng, Chengrui Yan, Yingying Ye, Kaida Xu et al.
The hard-shelled mussel, Mytilus unguiculatus, is one of main aquaculture bivalve species in Southeast China Sea, and excellent growth characteristics. For mussel breeding, farmers use wild individuals to multiply the cultured populations. However, blind selec…
16 Jun 2021DOI 10.17582/journal.pjz/20191015071041
Research ArticlemiR-216b Downregulates Intestinal IL2RB to Inhibit the Invasion of Echinococcus granulosus Eggs in the Kazakh Sheep
Xuhai Wang, Xin Li, Fangyuan Yuan, Chaocheng Li, Bin Jia, Song Jiang
To study the early molecular immunity of Echinococcus granulosus infection in livestock, especially in sheep, the immunohistochemistry, in-situ hybridization was used to study the relationship and the distribution between miR-216b and IL2RB in the intestine ti…
15 Jun 2021DOI 10.17582/journal.pjz/20200102110122
Research ArticleLipopolysaccharide Induced Oxidative Stress and DNA Damage in Bovine Mammary Epithelial Cells
Yawang Sun, Yongjiang Wu, Jingbo Chen, Zili Wang, Juncai Chen, You Yang et al.
This study investigated oxidative stress and the consequent DNA damage induced by lipopolysaccharide (LPS) in bovine mammary epithelial cell line MAC-T cells. Cells were cultured for 48 h with different LPS levels (0, 0.1, 0.5, 2.5, 12.5, and 100 ng/mL). The r…
15 Jun 2021DOI 10.17582/journal.pjz/20200421040417
Research ArticleDiversity and abundance of Avifauna of Manglot Wildlife Park, Nowshera District, Khyber Pakhtunkhwa, Pakistan
Tariq Mahmood, Luqman Ullah Khan, Muhammad Naeem
Comprising about 13% of the world avian diversity, Indian sub-continent has approximately more than 2060 species of birds. In Pakistan, there are more or less 660 bird species belonging to 23 orders and 74 families. The abundance and diversity of avian species…
15 Jun 2021DOI 10.17582/journal.pjz/20191101061139
Research ArticleMacroanatomical Investigation of the Plexus Brachialis in the Red Fox (Vulpes vulpes)
Ayse Haligur, Sema Ozkadif
The red fox is widely distributed all over the world. These animals feed as wild animals and off the waste of people, thus having a close association with people. Anatomical knowledge of the red fox is very poor and we aimed to investigate the branches of the…
15 Jun 2021DOI 10.17582/journal.pjz/20180815090812
Research ArticleMorphometric Analysis of Skin in Different Body Regions of Young and Adult Red Sindhi Cattle Bos indicus
Imran Tarique, Muhammad Ghiasuddin Shah, Illahi Bux Kalhoro, Zaheer Ahmed Nizamani, Mansoor Tariq, Jamil Ahmed Gandahi et al.
The study is carried out on the histology and micrometrical analysis in skin of different body regions (dewlap, abdomen, scrotum / udder and thigh) of young and adult of either sex of red Sindhi cattle (Bos indicus). Skin of red Sindhi cattle showed epidermis…
15 Jun 2021DOI 10.17582/journal.pjz/20191020141047
Research ArticleHuman- Indian Grey Mongoose (Herpestes edwardsii) Conflict and Threats to Mongoose in Mirpur District, Azad Jammu and Kashmir, Pakistan
Muhammad Furqan, Zulfiqar Ali, Usman Ali, Muhammad Mudassar Shahzad, Bushra Nisar Khan, Waqar Ahmed et al.
Azad Jammu and Kashmir (AJ and K) is blessed with a rich floral and faunal diversity. The Indian grey mongoose (Herpestes edwardsii Hilaire, 1818) is a small carnivore, controls the population of reptiles, ground birds, small mammals, insects, distributed in p…
15 Jun 2021DOI 10.17582/journal.pjz/20190323050311
Short CommunicationStudy on Change of Wool Fineness with Age of Alxa Bactrian Camel
Junyan Bai, Ren Tao Di Wu, Le Ma Dao, Di Bao, Qiang Zhang, Xing Hua Tian
In this study, SPSS17.0 software was used to analyze the wool fineness of 1079 Alxa Bactrian camels. The results showed that the wool fineness of male camel was significantly higher than that of female camel (P < 0.05). At the age of 2-7, the fluff fineness…
8 Jun 2021DOI 10.17582/journal.pjz/20200116030157
Short CommunicationMolecular Characterization and Pathogenesis of Local Isolates of Clostridium perfringens Type D from Sheep in District Peshawar
Saqib Nawaz, Sher Bahadar Khan, Umar Sadique, Muhammad Israr, Mumtaz Ali Khan, Hameed Ullah Khan et al.
The main objective of this study was isolation and determination of changes caused by Clostridium perfringens type D from sheep. For this purpose, a total of 272 fecal samples were collected from sheep and lambs from four different zones of district Peshawar.…
8 Jun 2021DOI 10.17582/journal.pjz/20200203170216
Short CommunicationThe Species Identity of the Two Color Morphs of Northern Snakehead (Channa argus) Based on mtDNA Control Region Sequences
Aiguo Zhou, Di Sun, Shulin Liu, Yongyong Feng, Yue Zhang, Yanfeng Chen et al.
The control region for mitochondrial DNA (mtDNA) has been considered as one of the most effective molecular markers in the study of identification for fish species, which has a fast evolutionary rate. And thus, in the present study, investigation of genetic co…
8 Jun 2021DOI 10.17582/journal.pjz/20191219001209
Short CommunicationA New Approach for Evaluation of Egg Laying Behaviour of Alfalfa Weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae) during Autumn Using CHAID and MARS Algorithms
Celalettin Gözüaçık, Ecevit Eyduran, Mohammad Masood Tariq
The current study was conducted to develop a new approach for revealing egg-laying behaviour of alfalfa weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae)laying in alfalfa fields at late fall. Totally, the infected 675 alfalfa plants were evaluated…
8 Jun 2021DOI 10.17582/journal.pjz/20200309210333- Short Communication
Postmortem Findings in Captive Sand Gazelle and Arabian Oryx at Al-Wusta Wildlife Reserve, Oman
Khurram Goraya, Qais ALRawahi, Sultan ALBalushi, Hani ALSaadi, Sami ALRahbi, Zahir ALAlawi et al.
Al-Wusta Wildlife Reserve (WWR) is the first wildlife reserve in Oman. It was established in 1980 for reintroduction and breeding of the Arabian oryx (Oryx leucoryx) and recently other wildlife, which includes the Arabian gazelle (Gazelle gazelle cora) and San…
8 Jun 2021DOI 10.17582/journal.pjz/20200129200123 
Short CommunicationEffects of Storage Temperature on the Microbiological Quality of Fish Meat from Two Different Managemental Systems
Rida Haroon Durrani, Fareeha Akhtar, Ali Ahmad Sheikh, Munazzah Maqbool, Aleena Kokab, Kiran Imtiaz et al.
Food spoilage is a complex process in which food deteriorates to that extent at which it becomes unfit for human consumption. Food spoilage due to microorganisms is a serious issue which causes approximately 25% food loss globally Present study revealed the ef…
8 Jun 2021DOI 10.17582/journal.pjz/20190503070517