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Articles by Sohail Hassan Khan
Total Records ( 6 ) for Sohail Hassan Khan
  Mohammad Shehbaz Anjum and Sohail Hassan Khan
  An experiment was conducted to determine the effect of different energy protein ratio on the performance of desi chickens during growing phase (9-20 weeks), Six different experimental rations having 2700 and 2900 kcal kg-1 of Metabolizable Energy (ME) and with 14 and 16% Crude Protein (CP), for female birds and 2750 kcal kg-1 ME with 14 and 16% CP for male birds. Each experimental group of each the male and female chicks had 12 replications having 20 chicks each. At the end of experiment, non-significant difference (p>0.05) was noted among weight gain, feed intake and Feed Conversion Ratio (FCR) in both male and female chicks. The feed cost per kg weight gain for female chicks fed diet having 14% CP and 2700 kcal kg-1 ME was lowered (p<0.01) than those of other groups. However, non-significant difference was observed in the cost of feed per kg weight gain for male chicks fed experimental diets. The minimum cost per bird in female chicks was noticed in birds fed diet having 16% CP and 2700 kcal kg-1 ME. Based on the findings of the present study, it may be stated that higher energy and protein levels in the feed may not be significantly improved the growth performance of the desi chicks in growing phase. However, the lower levels of energy and protein in the desi chicks diet may be significantly lower the cost of desi chicks rearing during growing phase.
  Sohail Hassan Khan , Rozina Sardar and Mohammad Ashraf Anjum
  This study was conducted to evaluate the potential for local dietary garlic to influence egg yolk and blood cholesterol concentrations and overall performance in commercial layers. Forty 30-week-old white leghorn layers (ten hens per diet) were caged individually and fed diets supplemented with 0 (control), 2, 6 and 8% oven dried garlic powder (at low temperature i.e., 55°C) for 6 week. There were significantly differences (p<0.01) among diets in weight gain and egg production as averaged over 6 week. However, no differences (p>0.05) were observed among diets in feed consumption, feed efficiency, egg weight and egg mass with increasing levels of dietary garlic. Serum and egg yolk cholesterol concentrations decreased (p<0.01) with increasing levels of dietary garlic. It was concluded that dried garlic powder in the diets of commercial laying hens reduced serum and yolk cholesterol concentrations. It was also concluded that dietary garlic powder had better effects on layer performance.
  Tabinda Khawaja , Noor Nabi Ansari and Sohail Hassan Khan
  The study was conducted to investigate the effect of blood meal in broiler diets during starter (0-4 weeks) and finisher (5-6th week) phases of growth. Fresh blood was boiled at 100°C for 45 min and then dried in an hot air oven at 55°C for 6 days and ground into meal. The chemical composition of the dried blood meal was 92% dry matter, 80% crude protein, 8.5% total ash, 1.2% ether extract, 1.3% crude fibre, 9% nitrogen free extract, 0.28% calcium, 0.25% phosphorus, 1.98% sodium chloride and 2850 Kcal kg-1 metabolizable energy. Amino acid profile revealed that sufficient quantity of almost all essential amino acids was present in blood meal. Chemical score of the blood meal was 13. Isoleucine was the Ist limiting amino acid and methionine was the 2nd limiting amino acid. Three hundred, day-old broiler chicks were reared in deep litter house system using completely randomized design. Five different isonitrogenous and isocaloric experimental mash diets were prepared with five levels 0, 3, 4, 5 and 6% of blood meal, designated as A, B, C, D and E, respectively, for starter phase. Five corresponding finisher diets were used during the finisher phase. The chickens were randomly allocated to five dietary treatment groups having three replicates of 20 birds in each group. Weight gain was higher (p<0.01) in chickens fed diets containing 3% blood meal during two stages of growth. Feed intake during 0-42 weeks of age was reduced (p<0.01) in chickens fed diets with 3% level of blood meal. Similarly, feed utilization efficiency was better (p<0.01) in chickens fed diet containing 3% blood meal compared to all other treatment groups. Also 3% blood meal in diet improved (p<0.05) apparent faecal digestibilities of dry matter, organic matter, crude protein and ether extract. Dressing percentage and relative weight of liver of chickens among all treated groups were similar (p>0.05). The results indicated that inclusion of blood meal (3%) in broiler diets reduced the relative cost per unit weight gain. It may be suggested that blood meal upto 3% can be incorporated in broiler diets without any adverse effect on production parameters during starting and finishing stages of growth.
  Naveed Ahmed , Sohail Hassan Khan , Muhammad Ashraf Anjum , Rozina Sardar , Mohammad Yasin Amer , Muhammad Amin , Zafar Iqbal Chauhan and Muhammad Yaqoob Anjum
  Dietary Electrolyte Balance (DEB) plays a vital role in body’s homeostasis and optimum provision of DEB which is critical for maximum efficiency and stress coping in birds. A total of 68 poultry feed samples were collected from Multan, Rawalpindi and Sargodha districts of Punjab province of Pakistan. The study included 16 broiler, 16 breeder and 36 layer diets. Water samples (n = 51) alongwith feed samples were also collected wherever possible. These samples were examined for sodium (Na+), potassium (K+) and chloride (Cl-) ions contents and DEB was calculated by subtracting anions from cations. The results showed variations and discrepancies in provision of individual ions as well as overall DEB. These results were compared with National Research Council (1994) recommendations for ionic contents and DEB level was compared by findings of other research studies. The mean of Na+ contents were well within recommended range; Cl- contents were slightly high while K+ contents were 2 to 4 times higher than NRC (1994) recommendations. However the resulting DEB for broiler, breeder and layer flocks was 192.7, 168.1 and 198.2 mEq/kg, respectively. The water can play important role in supplementation of anions and cations thus effecting overall DEB. The 13, 23 and 15 water samples (total = 51) collected from Multan, Rawalpindi and Sargodha districts, respectively showed an area wise distribution pattern of these ions. The mean of Na+ contents of water samples collected from Multan district was 229 ppm as compared to recommended level of 50 ppm for poultry consumption. Whereas analysis of water samples collected from Rawalpindi and Sargodha district showed much better ionic composition for poultry usage.
  Mohammad Yasin Amer , Sohail Hassan Khan , Muhammad Ismail Abbass , Ghulam Abbass , Naveed Iftikhar , Muhammad Anwar , Muhammad Amin and Muhammad Yaqoob Anjum
  A total of 1600 commercial strain (Nick Chick) Single Comb White Leghorn hens, 90 week of age, were used in this study to determine the effects of different induced molting programs on production and immune parameters. The hens were randomly divided into four treatment groups (three experimental and one control) of 400 hens each. The hens in the first treatment group were fed a layer ration containing 4 g/kg diet of C for 5 d and received a reduced photoperiod of 8 h/d for 5 d (Al2O3 group). In the second group, feed was withdrawn for 10 d, the photoperiod was reduced to 8 h/d and oyster shell and water were provided for ad libitum consumption. At Day 11, hens consumed corn and oyster shell ad libitum until Day 30 and at Day 31, hens was returned to a full feed layer ration and received 16 h of light/d (California group). In the third treatment, birds were provided feed and water ad libitum for one day with 8 h light. During day 2-3, feed and water were withdrawn. On 4th day water was provided but no feed was given. On 5 to 49 days, birds were offered feed 27 g each till egg production was reached upto 1%. Water was provided ad libitum. Full feed at the rate of 112 g each bird was offered from day 50 onward. Birds received 8 h of light till 49 days which was increased to 16 h on 50th day onwards (Washington group). The last group served as control. Body weight, egg production, egg size, internal egg quality, shell weight and mortality were determined. Total circulating leukocytes and differential leukocyte counts were also measured. The results demonstrated that induced molting significantly increased egg production from 65 to 75 to 81%, Haugh units from 80.1 to 85.6 to 87.0 and shell weight from 5.4 g to 6.3 to 6.5 g when compared to control. The total circulating leukocytes was significantly lower in molted hens than in control hens. Differential leukocyte counts were affected by all induced molting programs and the heterophil to lymphocyte ratio was significantly increased, reaching 0.60, whereas that of controls was only 0.19.
  Muhammad Jameel Ahmad Khan , Sohail Hassan Khan , Salma Naz , Syeda Surriya Gilani , Jamila Shafi , Farooq Hassan , Mehdi Hassan and Muhammad Anwar
  A total of 1800 Fayoumi chicks, 28 day-old of age, were used in this study to determine the effects of two levels of Aloe vera leaves on performance and immune parameters. Basal Fayoumi’s diet supplementation with 0, 1.0 or 2.0% Aloe vera leaves was investigated. The chicks were randomly divided into 9 separate floor pens each comprising 200 chicks and three pens (replicates) per treatment group in a completely randomized design. At the end of study, birds fed diets supplemented with 1.0 or 2.0% Aloe vera leaves had greater body weight gain, better feed intake and feed efficiency than those fed diets without Aloe vera leaves. Low morality was recorded in treatment groups. The geometric means HI titres of birds fed on diets containing Aloe vera leaves were higher than those fed on control. Aloe vera leaves included in the Fayoumi’s diet upto 1.0 or 2.0% did not have any deleterious effects on their performance and immunity.
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