Qudratullah Kalwar

• Doctor of Philosophy
• Assistant Professor at Shaheed Benazir Bhutto University of Veterinary and Animal Sciences, Sakrand

Climate change poses significant challenges to livestock production and reproduction worldwide, affecting both the productivity and sustainability of the sector. The availability of feed, water, and grazing land are disrupted by rising temperatures, changed precipitation patterns, and an increase in the frequency of extreme weather events, leading...

Intake of low-quality feed specially aflatoxin contaminated cottonseed cake by dairy animals carry over the aflatoxins through milk and causing health problems (aflatoxicosis) to consumers. The present study was conducted with the objective to check the suitable binder through in-vitro experiments as aflatoxin level may be controlled in cottonseed...

Abortifacient disorders in small ruminants present a serious problem for livestock farmers, leading to financial losses and lower production rates. This review examines both infectious and non-infectious factors that cause abortions in goats (Capra hircus) and sheep (Ovis aries), which are crucial animals in rural farming practices. Infectious caus...

The investigation focused on exploring the role of CUL7 genes in Liver Hepatocellular Carcinoma (LIHC) development and progression. Utilizing the UALCAN database, a significant up-regulation of CUL7 expression was observed in LIHC tissues, suggesting its potential involvement in the development of LIHC. Subsequent analysis across various clinical p...

This study was conducted to evaluate the effect of α-Tocopherol (Vit E) on chillled semen quality paramenters of Tharparkar bull. For the purpose of the present study, 52 ejaculates were collected from four bulls initially semen samples were evaluated for progressive motility, morphology and viability (Eosin-Nigrosin staining technique) and membran...

Citation: Bhatti JA, Soomro H, Laghari IH, Memon A, Du XX, Kalwar Q, Hassan MF and Rajput ZI, 2023. Comparative evaluation of seasonal influence of photoperiod and temperature on the semen quality of exotic and indigenous roosters. ABSTRACT A total number of 40 male birds (10 each of Fayoumi (FAY), Aseel (ASL), Rhode Islam Red (RIR), and Australorp...

The study was designed to determine the effect of Vitamin E (α-tocopherol) supplimentation into BIOXcellTM and Tris based egg yolk extender on post-thawed quality of Tharparkar cattle bull semen. The research was carried out at Department of Animal Reproduction, Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agricultural University Tand...

Yak milk has various potential health benefits due to its high nutritional content and unique composition. It is an excellent source of protein, essential fatty acids, vitamins, and minerals, which can promote overall health and wellbeing. Yak milk may have potential therapeutic benefits for hypertension, as it contains peptides that have been show...

of pulpy kidney disease and antimicrobial sensitivity profile of Clostridium perfringens type D recovered from enteric intoxicated diarrheic goat of different age and gender in District Tharparkar, Sindh Pakistan. Abstract Present study has been carried out to assess the occurrence of pulpy kidney disease and assessment of antimicrobial sensitivity...

The current study was conducted to assess the ovsynch estrus synchronization in imported pure Holstein Friesian and Holstein Friesian-Jersey crossbred cows at district Thatta Sindh. A total 30 Holstein Friesian and Holstein Friesian-Jersey crossbred cattle were selected and divided into three groups i.e., A (10 pure Holstein Friesian cows), B (10 H...

Goat is considered as poor man's cow and is among the earliest small ruminant species to be domesticated and are reared for meat and milk purpose, at least since 2500 B.C. in the Middle East. Goats contributes largely to the livelihood of livestock keeping households of low-and medium-input farmers, many of whom have few resources beyond their smal...

Animal Disease Animal Production. Animal Health Public Health.

Simple Summary The yak is a multifunctional domesticated mammal that serves as a protein source for local herders and as a cultural and religious symbol. Recent worldwide climatic changes, namely, global warming, have directly impacted yak habitats; specifically, they have negatively influenced yak population sizes, as natural reproduction is not a...

About 40 (n=10) ejaculates were taken from four Tharparkar Bulls (A, B, C, D) having age of 4-5 years, after the collection, ejaculates were examined for initial evaluation i.e. volume, color, pH, motility, wave motion, viability, morphology, membrane integrity and sperm concentration. Ejaculate having ≥ 70% motility, morphology, membrane integrity...

In recent decades, many significant improvements have taken place accompanying different assisted reproductive biotechnologies like estrous synchronization, artificial insemination, superovulation, cloning, embryo recovery and its transfer, in vitro fertilization, cryopreservation and transgenesis. Among these technologies, embryo transfer has achi...

Authors' Contribution AC, IJ and GJ write manuscript. AK and QK guidelines and support. MB and IJ helped in the treatment write-up. Dairy animals are facing so many reproductive disorders and cystic ovarian disease (COD) is one of the important disease which cause major economic losses to farmers. COD affects fertility of animal which is important...

This article presents a case report based on a buffalo with a history of recurrent pre-partum vaginal prolapse. Seven years old and nine months pregnant (Kundhi buffalo), having a ventral hanging lacerated mass from the vulva, was brought to the Reproduction Clinic at SBBUVAS, Sakrand. The animal was examined physically and thoroughly which confirm...

Immunogenetics is the study of the interaction between genetics, the immune system, hereditary immune response regulation, vulnerability to disease, immune system bioinformatics, arrangement of immunologically significant molecules, reproductive biology immunogenetics, separation of tissues, and development. Immunogenetics is composed under one fra...

Estrus Synchronization is the main application of Assisted Reproductive Technologies (ART). It helps in the control of the estrus cycle with the basic help of Hormones and ads controlled Artificial Insemination, reduction in Calving interval which saves time, labor cost and effective dairy farm management. Moreover, old reproductive management is t...

Yak ( Bos grunniens ) is considered an iconic symbol of Tibet and high altitude, but they suffer from malnutrition during the cold season that challenges the metabolism of energy. Adipocytes perform a crucial role in maintaining the energy balance, and adipocyte differentiation is a complex process involving multiple changes in the expression of ge...

The present study was designed to check the physical, chemical and sensory characteristics of market camel milk, sold in the Hyderabad city. A total of 30 samples were collected and divided into 5 groups, i.e., S0 (control “fresh milk” taken directly from camel), S1(Shop no.1), S2 (Shop no.2) S3 (Shop no.3) and S4 (Shop no.4). The conductivity, (mS...

Fat deposition in yaks plays an important part in survival, multiplication, and meat quality. In this work, the characteristic of fat deposition in male yaks (MYs) and female yaks (FYs) and the regulations of gender to yak fat deposition were explored by mRNA-Seq and non-targeted metabolomics analyses. FYs possessed a higher body fat rate (BFR) of...

The present study aimed to clarify the effects of phenological seasons on fat deposition in yak. A total of 18 male yaks (4-years-old, n=6/group) grazed in the same pasture and slaughtered in April, August and September, respectively. The results showed that the fat in longissimus dorsi (LD) and visceral fat increased gradually from April to Septem...

Simple Summary The yak (Bos grunniens) is regarded as one of the most magnificent domestic animals in the mountains of Asia, and it is well-adapted to the harsh environment of the Qinghai–Tibetan Plateau. Slow growth rate and low production and reproductive potential are the main limitations of yaks. It has been suggested that enhanced nutrition ca...

Simple Summary The type and quantity of fat are among the key factors influencing the carcass and meat quality in yak. The effect of gender to fat in yak and the correlation of meat quality with fat were studied in this paper. The meat of male yaks (MYs) is healthier from the point of nutritional value, whereas the meat of female yaks (FYs) possess...

This study aimed to explore the rumen bacterial community of yak in response to dietary supplements during the cold season. In addition, the rumen fermentation products were also analyzed. Twenty-one female domestic yaks were randomly divided into three groups i.e., pure grazing (GG) group, grazing plus oats hay supplement (OG) group, and grazing p...

Background The COVID‐19 pandemic has demanded effective therapeutic protocol from researchers and clinicians across the world. Currently, a large amount of primary data have been generated from several preclinical studies. At least 300 clinical trials are underway for drug repurposing against COVID‐19; the clinician needs objective evidence‐based m...

Hubbard broilers were studied to investigate the influence of lysine on meats production and behavior performance. Total 300 day old chicks were divided into six groups (50 broilers each) i.e. A, B, C, D, E and F, fed ration containing 0, 0.25, 0.50, 0.75, 1.00, 1.25 percent of synthetic lysine, respectively. Feed intake in broiler group A was highe...

Regulation of estrus plays a crucial role in the livestock industry. It is reported that providing better nutrition can induce early estrus in animals. However, little is known about the major endocrine and physiological mechanisms that could enhance estrus in anestrus animals. Hence in the current research two different groups of yaks, non-breedin...

Background: The study of fat deposition in yaks of different gender plays a positive role in improving the meat quality and breeding of yaks. In this work, the characteristic of fat deposition in male and female yaks, and the regulations of gender difference to fat deposition in yaks were explored. Result: Compared with male yaks, the female yaks p...

Background: Yak (Bos grunniens) is considered as an iconic symbol of Tibet and high altitude, but they suffer from malnutrition during the cold season that challenges the metabolism of energy. Adipocytes perform crucial role in maintaining the energy balance and adipocyte differentiation is a complex process involving multiple changes in expression...

Simple Summary Yak (Bos grunniens) is an important and remarkable livestock species that survives in the challenging environment of the Qinghai–Tibetan Plateau. However, its growth rate is slower and reproductive ability is generally lower than cattle. This may be due to the yak living in high altitudes all year round where in the whole year, grass...

Milk is a complete diet for the human beings because it comprises all the supplements, such as water, fat, carbohydrates, lactose, protein, minerals, nutrients and catalysts. A total of 20 % milk is obtained from different species including sheep, ass, horse, yak, goat, bison and camel while the 80 % milk is produced by cows. Milk of camel plays an...

Simple Summary The serum, fatty acid and transcriptome profiles in the subcutaneous fat of yaks were measured to explore the effect of long-term energy stress (ES) on fat metabolism during the cold season. The study indicated that under long-term ES during the cold season, the amount of fat in yaks was less, and fat mobilization was one of the main...

Despite the exploration of antibacterial activity of the Aloe Vera in different families of animals. However, very limited information is documented about antibacterial activity of Aloe Vera in equines. The present study was designed to check the antibacterial activity of the Aloe Vera against most pathogens found in the wounds of donkey. For this...

The microbial community of the yak (Bos grunniens) rumen plays an important role in surviving the harsh Tibetan environment where seasonal dynamic changes in pasture cause nutrient supply imbalances, resulting in weight loss in yaks during the cold season. A better understanding of rumen microbiota under different feeding regimes is critical for ex...

Long non-coding RNAs (lncRNAs) have been extensively studied in recent years. Numerous lncRNAs have been identified in mice, rats, and humans, some of which play important roles in muscle formation and development. However, little is known about lncRNA regulators that affect muscle development in yak (Bos grunniens). LncRNA expression during skelet...

Crude oil utilization has improved our living standard, but it has also threatened the aquatic and terrestrial environment with its harmful effects. It contains harmful substances such as polycyclic aromatic hydrocarbons (PAH) that can cause mutation and cancer. Soil contamination is of particular concern as it does not only effects human health bu...

Simple Summary Previous studies revealed that luteinizing hormone βeta polypeptide (LHB) plays an essential role in fertilization. Therefore, we aimed to confirm the importance of LHB in the testis of yak and to determine their association with male yak fertility. Histomorphological analysis of the testes is essential for predicting the fertilizing...

Testis-specific genes play an essential part in the centromere union during meiosis in male germ cells, spermatogenesis, and in fertility. Previously, there was no research report available on the expression pattern of SYCP3 and TSEG2 genes in different ages of yaks. Therefore, the current research compared the expression profiling of SYCP3 and TSE...

Effect of heating on shelf life and sensory characteristics of camel milk. Abstract This study was aimed to analyze the sensory characteristics and keeping quality of raw and heat treated (63°C for 30 minutes, 72°C for 15 seconds and 100.5°C for 10 minutes) camel milk. The sensory scores for taste (36.3, 34.8 and 33.2), texture (24.4, 24.0 and 22.3...

This study was designed to evaluate the sensory characteristics of different types of chicken karahi, is one of the favorite dishes of Pakistani people. Fifteen trained panelists were asked for the sensory evaluation of karahi. The sensory evaluation showed that the white shahi chicken karahi received significantly (P<0.05) higher score for flavor,...

Despite some studies being conducted over past few decades, puberty associated histological changes in testes and epididymis of caprine is still largely unknown. The present study was conducted to evaluate the microanatomy of the testicles and epididymis through light microscope. Histometric parameters of testes and epididymis were measured through...

Despite some studies being conducted over past few decades, puberty associated histological changes in testes and epididymis of caprine is still largely unknown. The present study was conducted to evaluate the microanatomy of the testicles and epididymis through light microscope. Histometric parameters of testes and epididymis were measured through...

The effect of positioning eggs on hatchability and embryonic mortality of the Japanese quails (Coturnix japonica). Pure and Applied Biology. Vol. 8, Issue 2, pp1505-1509. http://dx. Abstract In the last ten years, the little known about Japanese quail (Coturnix Japonica) commonly known as "Bater", has been introduced in the progressing poultry indu...

Camel is considered as the best animal for arid and semiarid areas where its milk comprises a significant part of the human dietary habit. In the present study, unique composition of camel milk under nomadic and sedentary production system was investigated. Camel milk samples (n=40) were collected from the nomadic (n=20) and sedentary (n=20) produc...

Effect of biostimulation and estrus synchronization on estrus response and fertility rate in primiparous and multiparous Abstract Anestrus and unobserved estrus are one of the crucial managemental lapses in the livestock business. This research was planned to assess the efficiency of different estrus synchronization procedures with bull exposed and...

Camel is considered as the best animal for arid and semiarid areas where its milk comprises a significant part of the human dietary habit. In the present study, unique composition of camel milk under nomadic and sedentary production system was investigated. Camel milk samples (n=40) were collected from the nomadic (n=20) and sedentary (n=20) produc...

A study was planned to evaluate the production profile of Marecha camel maintained in desert ecosystem of Thal area, Reproductive efficiency is the most important factor in livestock production. Buffalo bulls of excellent genetic make-up possessing high fertility can significantly improve reproductive and productive efficiency in buffaloes. In this...

Simple Summary IZUMO1 (IZUMO sperm-egg fusion) is a crucial member of the immunoglobulin superfamily, and it plays a vital part in egg sperm interaction, fusion, and in spermatogenesis. Previous studies identified the fundamental role of the IZUMO1 gene in meiosis of bovine spermatogenesis and spermatogenic cell development and fertility. The curre...

Effect of biostimulation and estrus synchronization on estrus response and fertility rate in primiparous and multiparous Kundhi buffaloes

A study was planned to evaluate the production profile of Marecha camel maintained in desert ecosystem of Thal area, Reproductive efficiency is the most important factor in livestock production. Buffalo bulls of excellent genetic make-up possessing high fertility can significantly improve reproductive and productive efficiency in buffaloes. In this...

The present research work was conducted to compare the efficacy of estrus synchronization protocols i.e., Ovsynch and cosynch in kundhi buffaloheifers with reference to occurrence of estrus and conception rate. Thirty buffalo heifers were selected randomly at different farms of tando jam, Distt: Hyderabad. All the experimental heiferswere divided i...

The present study was conducted to determine the prevalence of Salmonella spp. in milk. The samples were collected from two intermediaries viz. farms (n=50) and retail shops (n=50) and antimicrobial susceptibility of the isolates were performed. The overall prevalence of Salmonella isolates at dairy farm was recorded as 28% amongst which 50% were S...

The present study was designed to compare the efficacy of estrus synchronization protocols with or without Biostimulation in Kundhi buffaloes at and surroundings of Kundhi buffalo farm, Rorhi. Selected forty Buffaloes (n=40) of 1st to 5th parity were divided into group A (Bull exposed; BE) and B (Non-exposed; NE). These both groups were furt...

The study was carried out to observe the influence of mash and crumbles on the performance of broilers at Poultry Production and Research Hyderabad, Department of Livestock and Fisheries, Government of Sindh. A total of 90 day-old broiler chicks were purchased from Hyderabad market and randomly divided into group A and B, each group was further sub...

A B S T R A C T The aim of the present study was to compare the effect of two estrus synchronization treatments i.e., Ovsynch alone and Ovsynch plus Controlled Internal Drug Release (CIDR), on the occurrence of estrus and conception rate in Kundhi buffalo during breeding season in Pakistan. Forty Kundhi buffaloes were randomly selected and were div...