About
Professional SummaryDr. Rifat Ullah Khan currently holds the position of Assistant Professor at the Department of Animal Health, The University of Agriculture, Peshawar, Pakistan. He has received his Ph.D. in Veterinary Physiology from the University of Agriculture, Faisalabad, Pakistan. He also served as Assistant Professor at the University of Agriculture, Faisalabad, Pakistan. He has published 66 research articles in journals and 2 books contributed as author/co-author. Dr. Rifat has received the Research Productivity Award from the Pakistan Council for Science and Technology, Islamabad, Pakistan. Dr. Rifat is member of International Society of Camelid Research and Development and Australian Society of Animal Production. He also supervised and co-supervised number of student’s thesis. He has completed 1 funded research project as principal investigator.
Education
Academic Background-
Ph.D. University of Agriculture, Faisalabad, Pakistan Veterinary Physiology | Completed: 2012
Publications (112)
Selected Scholarly Contributions
Effect of dietary supplementation of wildCumin (Bunium persicum) seeds on performance, nutrient digestibility and circulating metabolites in broiler chicks during the finisher phase.
Rifat Ullah Khan
2022
Role of dietary Moringa oleifera leaf extract on productive parameters, humoral immunity and lipid peroxidation in broiler chicks.
Rifat Ullah Khan
2022
Dietary fortification of crushed seeds of Bonium persicum on growth performance, apparent ileal digestibility and blood metabolites in broiler chicks during the starter phase.
Rifat Ullah Khan
2021
Incidence of gastrointestinal parasites in Pavo cristatus under cage system and comparative efficacy of two anthelmintics.
Rifat Ullah Khan
2021
Effects of different equilibration times on post-thaw cryopreserved semen quality of cattle and buffalo bulls.
Rifat Ullah Khan
2021
Effect of dietary inclusion of taurine on performance, carcass characteristics and muscle micro-measurements in broilers under cyclic heat stress.
Rifat Ullah Khan
2021
Early pregnancy diagnosis using pregnancy-associated glycoproteins in the serum of pregnant ruminants.
Rifat Ullah Khan
2020
Zinc source modulates zootechnical characteristics, intestinal features, humoral response, and paraoxonase (PON1) activity in broilers.
Rifat Ullah Khan
2020
Captivity stress influences the DNA damage of Pavo cristatus under environmental conditions of Faisalabad, Pakistan.
Rifat Ullah Khan
2020
Protective effect of Aloe vera on growth performance, leucocyte count and intestinal injury in broiler chicken infected with coccidiosis.
Rifat Ullah Khan
2020
Effect of diet supplemented with phytogenics and protease enzyme on performance, serum biochemistry and muscle histomorphology in broilers.
Rifat Ullah Khan
2020
Effect of Bacillus cereus and phytase on the expression of musculoskeletal strength and gut health in Japanese quail (Coturnix japonica).
Rifat Ullah Khan
2020
Does the gradual replacement of spent silkworm (Bombyx mori) pupae affect the performance, blood metabolites and gut functions in White Leghorn laying hens?
Rifat Ullah Khan
2020
Single or combined applications of zinc and multi-strain probiotic on intestinal histomorphology of broilers under cyclic heat stress.
Rifat Ullah Khan
2020
Mannanoligosaccharide (MOS) in broiler ration during the starter phase: 1. Growth performance and intestinal histomorpholgy.
Rifat Ullah Khan
2019
Public health risk of heavy metal residues in meat and edible organs of broiler in an intensive production system of a region in Pakistan.
Rifat Ullah Khan
2019
Effect of dietary supplementation of zinc and multi-microbe probiotic on growth traits and alteration of intestinal architecture in broiler.
Rifat Ullah Khan
2019
Comparative serum biochemical profile of two broilers strains supplemented with L-carnitine, alpha-tocopherol and raw ginger under high ambient temperatures.
Rifat Ullah Khan
2019
Dietary supplementation of fenugreek (Trigonella foenum graecum) on the egg quality characteristics of Rhode island red spent layers.
Rifat Ullah Khan
2019
Effect of ginger (Zingiber officinale Roscoe) and organic selenium on growth dynamics, blood melanodialdehyde and paraoxonase in broilers exposed to heat stress.
Rifat Ullah Khan
2019
Nutritional evaluation of two sorghum varieties in broiler fortified with phytase.
Rifat Ullah Khan
2019
Semen quality of bulls as influenced by breed, body condition score and ascorbic acid under heat stress.
Rifat Ullah Khan
2019
Effect of yeast-based selenium on blood progesterone, metabolites and milk yield in Achai dairy cows.
Rifat Ullah Khan
2019
Anticoccidial effect of garlic (Allium sativum) and ginger (Zingiber officinale) against experimentally induced coccidiosis in broiler chickens.
Rifat Ullah Khan
2019
The effect of phytogenics on growth traits, blood biochemical and intestinal histology in broiler chickens exposed to Clostridium perfringens challenge.
Rifat Ullah Khan
2018
Evaluating the nutritive profile of three insect meals and their effects to replace soya bean in broiler diet.
Rifat Ullah Khan
2018
Changes in postpartum metabolites and resumption of ovarian cyclicity in primiparous and multiparous dairy cows.
Rifat Ullah Khan
2018
Effect of lactic acid bacteria‐treated King grass silage on the performance traits and serum metabolites in New Zealand white rabbits (Oryctolagus cuniculus).
Rifat Ullah Khan
2018
An assessment of the growth and profitability potential of meat-type broiler strains under high ambient temperature.
Rifat Ullah Khan
2018
Effect of alfalfa hay on rumen fermentation patterns and serum biochemical profile of growing Naemi lambs with ad libitum access to total mixed rations.
Rifat Ullah Khan
2017
Effect of organic acid blend and Bacillus subtilis alone or in combination on growth traits, blood biochemical and antioxidant status in broilers exposed to Salmonella typhimurium challenge during the starter phase.
Rifat Ullah Khan
2017
Effects of prepartum sustained-release trace elements ruminal bolus on performance, colustrum composition and blood metabolites in Najdi ewes.
Rifat Ullah Khan
2017
Postpartum ovarian activities, blood metabolites and milk yield are influenced by changing levels of thermal stress in crossbred dairy cows.
Rifat Ullah Khan
2017
Effect of betaine supplementation on the performance and immune response of heat stressed broilers.
Rifat Ullah Khan
2017
A survey of mycotoxin contamination and chemical composition of distiller’s dried grains with solubles (DDGS) imported from the USA into Saudi Arabia.
Rifat Ullah Khan
2017
In vivo effects of Allium cepa L. on the selected gut microflora and intestinal histomorphology in broiler.
Rifat Ullah Khan
2017
Anti-aflatoxin activities of milk thistle (Silybum marianum) in broiler.
Rifat Ullah Khan
2017
An update on the potential application of L-carnitine in poultry.
Rifat Ullah Khan
2017
Evaluating the immune response and antioxidant potential in four broiler strains under chronic high ambient temperature.
Rifat Ullah Khan
2017
The effect of vitamin E and selenium on physiological, hormonal and antioxidant status of Damani and Balkhi sheep submitted to heat stress.
Rifat Ullah Khan
2017
The effect of vitamin E, l-carnitine, and ginger on production traits, immune response and antioxidant status in two broiler strains exposed to chronic heat stress.
Rifat Ullah Khan
2017
Towards a better understanding of the therapeutic applications and corresponding mechanisms of action of honey.
Rifat Ullah Khan
2017
Cross breeding promotes deterioration of semen quality in cattle bulls.
Rifat Ullah Khan
2017
Additive effect of Nigella sativa and Zingiber officinale herbal mixture on performance and cholesterol profile in broiler.
Rifat Ullah Khan
2016
Anticoccidial effect of mananoligosacharide against experimentally induced coccidiosis in broiler.
Rifat Ullah Khan
2016
Effect of feeding dried sweet orange (Citrus sinensis) peel and lemon grass (Cymbopogon citratus) leaves on growth performance, carcass traits, serum metabolites and antioxidant status in broiler during the finisher phase.
Rifat Ullah Khan
2016
Effect of alfalfa hay on growth performance, carcass characteristics and meat quality of growing lambs with ad libitum access to total mixed rations.
Rifat Ullah Khan
2016
Effect of different levels of alpha tocopherol on performance traits, serum antioxidant enzymes and trace elements in Japanese quail (Coturnix coturnix japonica) under low ambient temperature.
Rifat Ullah Khan
2016
Relationship of age, breed and libido with semen traits of cattle bulls.
Rifat Ullah Khan
2016
Effect of organic acids on the performance of Japanese quails.
Rifat Ullah Khan
2016
Ameliorative effect of synthetic γ-aminobutyric acid (GABA) on performance traits, antioxidant status and immune response in broiler exposed to cyclic heat stress.
Rifat Ullah Khan
2016
The effect of phytogenic feed additives to substitute in-feed antibiotics on growth traits and blood biochemical parameters in broiler chicks challenged with Salmonella typhimurium.
Rifat Ullah Khan
2016
Comparative effects of direct-fed microbials alone or with a trace minerals supplements on the productive performance, blood metabolites and antioxidant status in grazing Awassi lambs.
Rifat Ullah Khan
2016
Worm meal: A potential source of alternative protein in poultry feed.
Rifat Ullah Khan
2016
2016
Direct-Fed Microbial: Beneficial applications, modes of action and prospects as a safe tool for enhancing ruminant production and safeguarding health.
Rifat Ullah Khan
2016
Characteristics of rumen in Naemi lamb: Morphological changes in response to altered feeding regimen.
Rifat Ullah Khan
2016
Improving the fatty acid profile in egg yolk through the use of hempseed (Cannabis sativa), ginger (Zingiber officinale) and turmeric (Curcuma longa) in the diet of Hy-Line white leghorns.
Rifat Ullah Khan
2016
Antioxidant status and immune responses of growing camels supplemented a long-acting multi-trace minerals rumen bolus.
Rifat Ullah Khan
2016
In vivo adverse effects of alpha-tocopherol on the semen quality of male bucks.
Rifat Ullah Khan
2015
Nutritional effect of flaxseeds on cholesterol profile and fatty acid composition in egg yolk.
Rifat Ullah Khan
2015
Effect of organic acid supplementation on the performance and ileal microflora of broiler during finishing period.
Rifat Ullah Khan
2015
Effect of yeast derived carbohydrate fraction on growth performance, apparent metabolizable energy, mineral retention and gut histomorphology of broilers during starter phase.
Rifat Ullah Khan
2015
Multiple beneficial applications and modes of action of herbs in poultry health and production: A review.
Rifat Ullah Khan
2015
Uterine leiomyoma in a golden hamster.
Rifat Ullah Khan
2014
Antiparasitic effect of wild rue (Peganum harmala L.) against experimentally induced coccidiosis in broiler chicks.
Rifat Ullah Khan
2014
Effect of vitamins, protein level and probiotics on immune response of moulted male broiler breeders.
Rifat Ullah Khan
2014
Serum antioxidants and trace minerals as influenced by vitamins, probiotics and proteins in broiler breeders.
Rifat Ullah Khan
2014
Effect of soybean based extenders on sperm parameters of Holstein-Friesian bull during liquid storage at 4°C.
Rifat Ullah Khan
2014
Growth performance and immune status of broilers fed graded levels of Albizia lebbeck seeds.
Rifat Ullah Khan
2014
Performance traits and immune response of broiler chicks treated with zinc and ascorbic acid supplementation during cyclic heat stress.
Rifat Ullah Khan
2014
Chromium: Pharmacological applications in heat-stressed poultry.
Rifat Ullah Khan
2014
Impact of organic acid on some liver and kidney function tests in Japanese quails, Coturnix coturnix Japonica.
Rifat Ullah Khan
2014
Influence of dietary zinc on semen traits and seminal plasma antioxidant enzymes and trace minerals of Beetal bucks.
Rifat Ullah Khan
2014
Replacement of soybean meal with yeast single cell protein in broiler ration: The effect on performance traits.
Rifat Ullah Khan
2014
Modes of action and beneficial applications of chromium in poultry nutrition, production and health: A review.
Rifat Ullah Khan
2014
Growth promoters and novel feed additives improving poultry production and health, bioactive principles and beneficial applications: The trends and advances-a review.
Rifat Ullah Khan
2014
Association of water based infusion of Allium sativum and Withania somnifera with serum lipid profile of broiler chicks.
Rifat Ullah Khan
2013
Effect of vitamins, probiotics and protein level on semen traits and seminal plasma biochemical parameters of post-moult male broiler breeders.
Rifat Ullah Khan
2013
Supplementation of dietary vitamins, protein and probiotics on semen traits and immunohistochemical study of pituitary hormones in zinc-induced molted broiler breeders.
Rifat Ullah Khan
2013
2013
Supplementation of vitamins, probioitics and proteins on oxidative stress, enzymes and hormones in post-moulted male broiler breeder.
Rifat Ullah Khan
2013
In vivo effect of Berberis lyceum and Silybum marianum on production performance and immune status in broiler chicks.
Rifat Ullah Khan
2013
Effect of vitamins, probiotics and protein on semen traits in post-molt male broiler breeders.
Rifat Ullah Khan
2012
2012
Vitamin E: Pharmaceutical role in poultry male fecundity.
Rifat Ullah Khan
2012
Evaluating the suitability of field beans as a substitute for soybean meal in early-lactating dairy cow: Production and metabolic responses.
Rifat Ullah Khan
2012
Milk quality, manufacturing properties and blood biochemical profile from dairy cows fed peas (Pisum sativum L.) as dietary protein supplement.
Rifat Ullah Khan
2012
Semen traits and seminal plasma biochemical parameters in white leghorn layer breeders.
Rifat Ullah Khan
2012
Performance and carcass measurements of ewe lambs reared in a feedlot and fed wheat (Triticum durum Desf.) middlings total mixed rations in the summer season.
Rifat Ullah Khan
2012
Effects of vitamins, probiotics and protein level on semen traits and some seminal plasma macro- and microminerals of male broiler breeders after zinc-induced molting.
Rifat Ullah Khan
2012
The use of turmeric (Curcuma longa) in poultry feed.
Rifat Ullah Khan
2012
Thymus vulgaris: Alternative to antibiotics in poultry feed.
Rifat Ullah Khan
2012
Garlic (Allium sativum) supplementation in poultry diets: Effect on production and physiology.
Rifat Ullah Khan
2012
Potential applications of ginger (Zingiber officinale) in poultry diets.
Rifat Ullah Khan
2012
2012
Productive performance and histological features of intestinal mucosa of broiler chickens fed different dietary protein levels.
Rifat Ullah Khan
2012
Effect of reducing dietary protein level on performance responses and some microbiological aspects of broiler chickens under summer environmental conditions.
Rifat Ullah Khan
2012
Comparative efficacy of different schedules of administration of medicinal plants infusion on hematology and serum biochemistry of broiler chicks.
Rifat Ullah Khan
2011
Feed intake in guinea fowl, layer hen and pheasant as influenced by particle size of pelleted diets.
Rifat Ullah Khan
2011
Epidemiology, electrolytes balance and treatment strategy of equine anhidrosis.
Rifat Ullah Khan
2011
2011
Vitamin and trace element supplementation in grazing dairy ewe during the dry season: Effect on milk yield, composition and clotting aptitude.
Rifat Ullah Khan
2011
Effect on milking performance of vitamin-trace element supplements to early lactation Italian brown cows grazing ryegrass (Lolium multiflorum) pasture.
Rifat Ullah Khan
2011
Feeding of wheat middlings in lamb total mixed rations: Effects on growth performance and carcass traits.
Rifat Ullah Khan
2011
2011
2011
Influence of feed supplementation with Cannabis sativa on quality of broilers carcass.
Rifat Ullah Khan
2010
Prevalence of caprine sub-clinical mastitis, its etiological agents and their sensitivity to antibiotics in indigenous breeds of Kohat, Pakistan.
Rifat Ullah Khan
2010
Effect of fenugreek (Trigonella foenum-graecum) seed extract on visceral organs of broiler chicks.
Rifat Ullah Khan
2009
Effect of aqueous extract of plant mixture on carcass quality of broiler chicks.
Rifat Ullah Khan
2009
Effect of Cannabis sativa fortified feed on muscle growth and visceral organs in broiler chicks.
Rifat Ullah Khan
2009