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Open Access
Effect of supplementation of peppermint and eucalyptus essential oils on the performance of Japanese quails
(G.B. Pant University of Agriculture and Technology, Pantnagar, District Udham Singh Nagar, Uttarakhand. PIN - 263145, 2022-12) Kharvi, Shraddha; Sharma, R.K.
The present trial was carried out to discern the effect of peppermint and eucalyptus essential oil supplementation on the performance parameters, nutrient utilization, haemato-biochemical and health status related parameters, carcass traits, meat composition and economics of Japanese quails. A total of a total of 180, six days old Japanese quails individually were weighed and randomly divided into five treatments which consisted of three replicates having 12 birds each. The experimental treatment groups were: T0 control (basal diet), T1 (basal diet + 0.2% of peppermint essential oil), T2 (basal diet + 0.2% of eucalyptus essential oil), T3 (basal diet + 0.1% of peppermint essential oil + 0.1% of eucalyptus essential oil) and T4 (basal diet + 0.05% of peppermint essential oil + 0.05% of eucalyptus essential oil). Growth parameters were studied at weekly intervals as well as during different periods viz. Starter (I-II week), Finisher (III-V week) and Overall period (I-V week). A metabolic trial of 7 days duration was conducted after feeding trial i.e., from day 35th – 42nd to determine the impact of peppermint and eucalyptus essential oils supplementation on nutrient utilization. At the end of feeding trial on 35th day, two Japanese quails from each replicate (six Japanese quails/treatment) were randomly selected and slaughtered to study carcass yield, cut up parts yield, organ weights and processing losses. At the same time representative blood and meat samples (thigh and breast) were also collected for study of haemato- biochemical parameters and meat composition. Results of experiment indicated that inclusion of peppermint and eucalyptus essential oils significantly (P<0.05) reduced feed intake, increased body weight gain, improved feed conversion ratio and performance index, with best performance during all the periods was found in T3 group. The nutrient utilization in terms of dry matter, crude protein, ether extract and organic matter were improved with peppermint and eucalyptus essential oils supplementation in Japanese quails with maximum nutrient utilization was observed in T3 group of Japanese quails. The blood profile revealed that TEC, Hb and PCV were improved in all the essential oil supplemented groups of Japanese quails and MCV showed reduction in essential oils supplemented groups. Serum glucose was reduced in peppermint and eucalyptus essential oils supplemented groups except T4, whereas serum total cholesterol levels and serum triglycerides were significantly reduced in Japanese quails of all supplemented groups, except T4 group. Serum LDL cholesterol levels were reduced in Japanese quails of all supplemented groups. Serum HDL-cholesterol was increased in all peppermint and eucalyptus essential oils supplemented groups with maximum value observed in T4 group of Japanese quails. Serum total protein, albumin and globulin were improved in all peppermint and eucalyptus essential oils supplemented groups of Japanese quails. Serum uric acid, serum creatinine, serum bilirubin levels, SGPT and SGOT were significantly reduced by peppermint and eucalyptus essential oils supplementation in Japanese quails. The essential oil improved dressed yield without and with giblets. Cut up parts in terms of thighs, breast and drumsticks and neck weights were significantly (P<0.05) improved in peppermint and eucalyptus essential oils supplemented groups with maximum thigh, neck and breast weight observed in T3, while highest drumstick weight was noted in T2 group of Japanese quails. Peppermint and eucalyptus essential oils improved weight of liver. Processing losses were not affected due to essential oil supplementation. Crude protein and crude fat content in thigh and breast meat was increased in all essential oil supplemented groups except T4. However, moisture and total ash content of thigh and breast muscles were not affected. Combination of peppermint and eucalyptus essential oils supplementation reduced the feed cost per kg weight gain significantly (P<0.05) with minimum feed cost per kg weight gain was noted in Japanese quails of group supplemented with 0.1% peppermint and 0.1% eucalyptus essential oils in combination. From the results of present investigation, it can be concluded that dietary supplementation of peppermint and eucalyptus essential oils in combination at 0.1% and 0.1% concentrations each may be advised to improve growth performance, nutrient utilization, haemato-biochemical and health status related parameters, carcass traits, meat composition and production economics of Japanese quails. Further research may be carried out using these and other essential oils in laying Japanese quails and other species of poultry.
Open Access
Effect of Arjun (Terminalia arjuna) bark powder supplementation on production and haematobiochemical parameters in Uttara layers
(G.B. Pant University of Agriculture and Technology, Pantnagar, District Udham Singh Nagar, Uttarakhand. PIN - 263145, 2022-08) Nayal, Kalicharan; Anil Kumar
In the present investigation, a feeding trial of 12 weeks of duration was conducted on 96 Uttara layers of 20 week age to study the effect of dietary supplementation of Arjun (Terminalia arjuna) bark powder on the production performance, egg quality parameters, egg composition, haemato-biochemical parameters, humoral immune response and economics of egg production. The laying hens were randomly divided in to four treatment groups (T0, T1, T2 and T3) four replicates of 6 birds each. The different groups were supplemented with Arjun bark powder at 0, 1g, 2g, 4g/100gm respectively to standard feed. Egg production, Egg quality parameters and Egg composition were studied in different Phase Ⅰ (26th week of age), Phase Ⅱ(32nd week of age) and overall period. At the end of Phase Ⅰ and Phase Ⅱ blood was collected for haematobiochemical parameter analysis. The results of the present trial indicate that dietary inclusion of Arjun bark powder increase egg production, Egg weight and improve Feed conversion ratio significantly (P≤0.05) in T2 group. The shell thickness increases significantly however no significant difference observed in other egg quality traits. The blood picture revealed that Hb, PCV, TEC and TLC values in Arjun bark supplemented groups are significantly improved. No significant difference was observed in egg composition parameters. Serum glucose, cholesterol, LDL, SGOT and SGPT values in Arjun bark supplemented groups decreases significantly and HDL value increases significantly however no significant difference observed in other biochemical parameters. The average serum immunoglobulin concentration increases significantly in Arjun bark supplemented group. The average feed cost per dozen egg (Rs) decreases significantly in Arjun bark supplemented group. From the results of present study it can be concluded that Arjun bark can be used as herbal feed additive/ phytobiotc in poultry diet for higher production and enhanced immunity by incorporating 2 percent of Arjun (Terminalia arjuna) bark powder in the basal diet of Uttara chicken.
Open Access
A study on socio-economic profile of poultry farmers in Bazpur tehsil of Udham Singh Nagar district in Uttarakhand
(G.B. Pant University of Agriculture and Technology, Pantnagar, District Udham Singh Nagar, Uttarakhand. PIN - 263145, 2022-06) Eqra, Saman; Shive, Kumar
The survey study was conducted in Bazpur tehsil of Udham Singh Nagar district in Uttarakhand. A total of 112 poultry farmers were randomly selected for socio-economic profile traits in Bazpur tehsil out of which cost and returns were estimated for 102 broiler farmers on the basis of flock size and education level of the farmers. The socio-economic profile traits included were age, gender, flock size, main occupation, family size, family status, education level, food habit, meat consumption, egg consumption, training, social taboos, farming experience, poultry area, religion and source of information of the poultry farmers. Majority (46.43per cent) of the poultry farmers in the study area were in the age group B i.e. 31 to 45 years. The total number of male poultry farmers was found to be 74 out of 112 (66 per cent). The highest number (46.43 per cent) of the responded farmers in study area had large flock size (>3000 birds). In the present study, 59 respondents (52.68 per cent) out of 112 interviewed had poultry farming as their primary occupation. Most (44.64 per cent) of the poultry farmers in the study area were educated upto junior level.The highest number of poultry farmers (49.11 per cent) had large size families (>8 members) and belonged to joint family (62.5 per cent). The 34.82 per cent of the respondents consumed egg 1 to 10 times and similar percentage i.e., 34.82 per cent who consumed 11 to 20 times. The 38.39 per cent of the poultry farmers consumed meat 1 to 5 times in a month. For majority of the poultry farmers (59.82 per cent), relatives were the source of information for the adoption of poultry farming Lowest value of total cost was found for large sized farmers and graduate and above farmers. Highest net returns were obtained for small sized and up to junior level educated farmers as their total returns were maximum. There was highly significant association between meat consumption and education level of farmers. The present data indicates that majority of the junior level educated farmers had neighbours as their source of information. Graduated and above farmers had friends/relatives as their source of information regarding poultry farming. Problems faced by the poultry farmers were lack of quality chicks, price and availability of feed resources, inefficient marketing system etc. It may be concluded from the present study, that highest net returns were observed for small sized farmers. This may be due to the reason that they sold chicken in the local market or individual customers at higher price. Net returns was also highest for junior level educated farmers as they were mostly small flock sized farmers.
Open Access
Effect of dietary supplementation of thyme and turmeric essential oils on performance of Japanese quails
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2022-06) Ranwa, Suman; Palod, Jyoti
This experiment was designed to determine the effect of thyme and turmeric essential oils supplementation on the growth performance, nutrient utilization, haemato-biochemical and health status related parameters, carcass traits, meat composition and economics of Japanese quails. A total of 180, six-day-old Japanese quails were used and randomly allocated into 5 different treatment groups denoted as T0, T1, T2, T3 and T4. Each treatment group with 36 Japanese quails and each treatment further divided into three replicates of 12 quail chicks each. Different experimental groups of Japanese quails were; T0 control (no essential oil), T1 (0.2% thyme essential oil), T2 (0.3% turmeric essential oil), T3 (0.125% thyme + 0.075% turmeric essential oils) and T4 (0.075% thyme + 0.125% turmeric essential oils). Growth parameters were studied at weekly intervals as well as during different periods viz. Starter (I-II week), Finisher (III-V week) and Overall period (I-V week). A metabolic trial of 7 days duration was conducted after feeding trial i.e., on day 35th – 42nd to evaluate the impact of thyme and turmeric essential oils supplementation on nutrient utilization. At the end of feeding trial on 35th day, two Japanese quails from each replicate (six Japanese quails/treatment) were randomly selected and slaughtered to study carcass yield, cut up parts yield, organ weights and processing losses. At the same time representative blood samples and meat samples (thigh and breast) were also collected for study of haematobiochemical parameters and meat composition. Results of experiment indicated that inclusion of thyme and turmeric essential oils significantly (P<0.05) reduced feed intake, increased body weight gain, improved feed conversion ratio and performance index, with best performance during all the periods was found in T4 group. The nutrient utilization in terms of dry matter, crude protein, ether extract and organic matter were improved with thyme and turmeric essential oils supplementation in Japanese quails with maximum nutrient utilization was observed in T4 group of Japanese quails. The blood picture revealed that TEC, Hb and PCV were improved in T4 group of Japanese quails and MCV and MCH showed significant reduction in essential oils supplemented groups except T1 group. Serum glucose was reduced in thyme and turmeric essential oils supplemented groups with minimum in T4 group. Whereas serum total cholesterol levels were significantly reduced in Japanese quails of all supplemented groups, except T1 with minimum in T4 group. Serum triglycerides were reduced in thyme and turmeric essential oils supplemented groups with minimum in T3 group of Japanese quails. Serum LDL cholesterol levels were reduced in Japanese quails of all supplemented groups. Serum HDL-cholesterol was increased in all thyme and turmeric essential oils supplemented groups with maximum value observed in T4 group of Japanese quails. Serum total protein, albumin and globulin were improved in all thyme and turmeric essential oils supplemented groups of Japanese quails with maximum values observed in T4 group of Japanese quails. Serum uric acid, serum creatinine and total bilirubin levels were significantly (P<0.05) reduced by thyme and turmeric essential oils supplementation in Japanese quails. While SGOT and SGPT levels were minimum in T3 group of Japanese quails. Thyme (0.075%) and turmeric (0.125%) essential oils supplementation significantly (P<0.05) improved dressed yield without and with giblets. Cut up parts in terms of thighs, breast and drumsticks weights were significantly (P<0.05) improved in thyme and turmeric essential oils supplemented groups with maximum thigh and breast weight observed in T3 and T4 group, while highest drumstick weight was noted in T4 group of Japanese quails. Thyme and turmeric essential oils improved weights of heart, liver, gizzard and giblets. Processing losses were not significantly affected by thyme and turmeric essential oils supplementation in any treatment group. Best results regarding crude protein and crude fat content in thigh and breast meat was observed in T2 and T4 group. However, moisture and total ash content of thigh and breast muscles were not affected. Combination of thyme and turmeric essential oils supplementation reduced the feed cost per kg weight gain significantly (P<0.05) with minimum feed cost per kg weight gain was noted in Japanese quails of group supplemented with 0.075% thyme and 0.125% turmeric essential oils in combination. From the results of present investigation, it can be concluded that dietary thyme and turmeric essential oils supplementation in combination at 0.075% and 0.125% concentrations, respectively each may be advised to improve growth performance, nutrient utilization, haemato-biochemical parameters, carcass traits, meat composition along with economical Japanese quail production. Further research may be carried out using these and other essential oils in laying Japanese quails and other species of poultry.
Open Access
Studies on morphological and performance traits of feathered shank local hill fowl
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2009-06) Sharma, Naresh Chand; Singh, S.K.
The present study was conducted to evaluate the morphological and performance traits of feathered shank local hill fowl.” The average body weight at day old, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18 and 20 weeks of age were 30.84±0.18, 43.81±0.23, 51.83±0.29, 84.27±0.60,107.11±0.52, 185.60±0.70, 251.03±0.82, 373.56±1.62, 513.99±1.71, 585.01±2.21, 737.49±3.83, 879.35±4.81, 965.90±4.94, and 1194.17± 6.25 g. Feathered shank local hill fowl males had prominently mixed colours in their plumage with, black brown gold (43%), followed by black brown, black white, black golden and black red brown white. However, female birds had 50% single colour plumage; most frequent single colour was founded to be black followed by brown, dusty brown and almond colour. Feathered shank females also had notably mixed colour plumage (50%). It was found that feathered shank local hill fowl dominated with single type comb i.e. 99% and 98% in males and females birds, respectively. However, (2%) female birds possess pea type comb and male birds occasionally have rose comb (1%). Ear lobe was found to be mainly white red (46%) followed by yellow red (30%) and red (24%) in colour in feathered shank male hill fowl. However, red colour predominantly distributed (46%) in females followed by white red (44%) and yellow red (10%). Eyes were predominantly brown-black (45% in males and 54% in females), followed by grey-black (44% in males and 34% in females), orange-black (8% in males and 5% in females), total black (3% in males and 4% in females); and grey brown (3% in females only) in feathered shank local hill. The skin colour in feathered shank hill fowl was generally yellow. It was noted that black yellow colour shanks were the more frequently (53% in males and 61% in females) encountered in the feathered shank local hill fowl, followed by yellow shanks (28% in males and 5% females) and white yellow colour shanks (19% in males and 34% in females). The averages of heamoglobin packed cell volume (PCV), total leucocytes count (thousands /cmm), lymphocytes count, heterophils, monocytes, basophils, eosinophils and H: L ratio were found to be 12.94±0.06 g/dl, 39.6±0.25%, 24.04±0.10X103/cmm, 68.98±0.88, 16.40±0.66, 5.03±0.34, 2.46±0.11%, and 0.24±0.01 male birds and 9.73± 0.06 g/%, 31.6± 0.65%, 23.96±0.08 x103/cmm, 68.06±0.71, 10.11±0.83, 14.05±0.61, 4.43±0.14, 2.29±0.16% and 0.21±0.61 in female birds. The averages of total protein, albumin, and globulin, cholesterol, glucose and A: G ratio were 4.62±0.03 g/dl, 1.85±0.01 g/dl, 2.77±0.03 g/dl, 114.51±2.00 mg/dl, 235.62±0.92 mg/dl and 0.67±0.01 in male and 4.14±0.02 g/dl, 1.75±0.00 g/dl, 2.39±0.03 g/dl, 113.421±0.68 mg/dl, 234.38 ±1.64 mg/dl, 0.74 ±0.01 in female, respectively. Fertility, hatchability on the basis of fertile egg set and total egg set were 71.16±1.16, 85.32±1.68 and 60.78±1.70 per cent in feathered local hill fowl, respectively. The average live weight at twenty weeks of age, dressed weight, eviscerated weight, giblet weight, skin weight, feet and shank weight, head weight, feather weight, wing weight and neck weight were 1202.00±37.98, 922.80±31.37, 750.40±28.03, 66.60±1.13, 161.00±1.63,66.4±2.41, 42.20±1.55, 84.00±3.87, 90.60±3.29 and 54.40±2.12 g in male and 1044.00±6.68, 812.00±5.01, 643.00±3.43, 61.80±0.53, 151.00±2.41, 49.8±1.06, 37.80±0.58, 81.00±2.21, 83.2±1.24,and 48.20±1.69g in female, respectively .the average egg weight, shape index, haught units, shell thickness, specific gravity, albumin index, yolk index, albumin weight, albumin volume, yolk weight and shell weight in feathered shank local hill fowl were 52.74±0.62g, 70.61±1.05, 76.22±2.82, 0.38±0.01mm, 1.08±0.03, 0.09±0.01, 0.50±0.01, 27.75±0.74g, 25.70±0.25ml, 16.93±0.37g and 5.02±0.16 g, respectively.
Open Access
Studies on morphological and performance traits of clean shank local hill fowl
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2009-06) Singh, Abhay Kumar; Singh, D.V.
Present study was conducted to evaluate the morphological and performance traits in clean shank local hill fowl of Nainital region. Clean shank local hill fowls had mixed colour plumage. Most prominent was white colour, followed by black-white, black, golden with black spot, black-brown, brown-gold, black dark green spot on feathers and white with brown. Skin colour was generally yellow, followed by white, and black. Shank colour was mostly yellow, followed by black, white yellow, and white. Earlobe was found to be mainly red and white red. Eyes were predominantly greyblack, followed by black-brown, black and grey in clean shank local hill fowl. Majority of comb colour was found red with a few having pale comb and black colour comb. Mean body weight at day old, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18 and 20 weeks of age were 31.84±0.24, 47.07±0.40, 57.84±0.38, 81.23±0.74, 114.47±0.53, 176.52±0.70, 267.3±1.02, 380.95±1.12, 526.65±0.93, 628.05±0.91, 762.25±1.17, 923.9±6.0, 1025.45±1.17 and 1206.55±6.26 g, respectively. Mean values of haemoglobin, PCV, TLC, lymphocytes, monocytes, heterophils, eosinophils and H:L ratio at 20 weeks of age were found to be 12.78±0.32 g%, 40.4±0.52%, 2.33±0.032 103/mm3, 67.4±0.94%, 7.5±0.40%, 20.1±0.86%, 4.2±0.35% and 0.29±0.01, respectively in male birds and 10.24±0.48 g%, 38.7±0.36%, 2.33±0.02 103/mm3, 64.4±0.88%, 7.4±0.42%, 23.4±0.83%, 4.7±0.49% and 0.35±0.01, respectively in female birds. Averages of total protein, albumin and globulin, cholesterol, glucose and A:G ratio at 20 weeks of age were 4.12±0.11 g/dl, 1.83±0.08 g/dl, 2.28±0.12 g/dl, 115.05±0.73 mg/dl, 234.04±0.88 mg/dl, 0.82±0.07 in male and 3.85±0.03 g/dl, 1.73±0.08 g/dl, 2.11±0.09 g/dl, 115.24±0.72 mg/dl, 233.25±0.85 mg/dl, 0.84±0.09 in female birds, respectively. Age at first egg laid, fertility, hatchability on the basis of fertile egg set and total egg set were 186.2±1.21 days, 82.0±1.0%, 88.4±0.82% and 74.4±0.82%, respectively in clean shank local hill fowl. Mean live weight, dressed weight, eviscerated weight, weight of giblet, skin, feet and shank, head, feather, wing and neck at 20 weeks of age were 1248±13.52, 974.0±14.42, 788.6±6.55, 61.40±0.65, 165.2±1.43, 70.6±0.96, 46.6±0.42, 87.2±0.81, 94.4±0.82 and 60.4±0.52 g in male and 1277±16.56, 945±21.79, 782±9.65, 60±1.20, 164.8±0.95, 56.2±1.23, 45.6±0.36, 84.0±1.0, 93.4±30.98 and 59.4±0.76 g in female birds, respectively. Average egg weight, shape index, haugh unit, shell thickness, specific gravity, albumin index, yolk index, albumin weight, albumin volume, yolk weight and shell weight in clean shank local hill fowl were 51.41±0.56 g, 72.86±0.12, 78.56±0.45, 0367±0.016 mm, 1.08±0.004, 0.083±0.004, 0.498±0.008, 30.40±0.46 g, 29.5±0.34 ml, 16.80±0.19 g and 6.25±0.18 g, respectively.
Open Access
Studies on viability of sustainable crossbred chicken for backyard farming
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2006-07) Shukla, Sanjeev Kumar; Ashok Kumar
Backyard poultry farming has been a traditional economic activity in rural areas and rural farmers are accustomed to rear nondescript poultry birds. Keeping the importance of backyard poultry farming (BYPF) for upliftment of rural people, crossing of indigenous and exotic breeds is must to exploit the economic traits of both types of breeds. Current study was conducted on various aspects of BYPF for crosses involving Aseel (A) × Rhode Island Red (RIR), Aseel (A) × Brown Cornish (BC), Kadaknath (K) × Brown Cornish (BC), Kadaknath (K) × Rhode Island Red (RIR) at nineteen villages of Udham singh nagar. Comparative evaluation for production traits as body weight gain and egg production was done among four cross-breds K x BC, A x BC, K x RIR and A x RIR under BYPF. The average body weight at 20 week of age were estimated as 1312.01,1745.27,1161.86 and 1502.36 g, and average annual egg production as 157.44, 140.45, 173.78 and 168.45 for crosses K x BC, A x BC, K x RIR and A x RIR respectively. On the basis of comparative evaluation A x BC was judged best for body weight gain, K x RIR was the best layer and A x RIR was evaluated as best dual purpose crossbred for back-yard poultry farming.
Open Access
Studies on effect of different light source on growth and heat shock protein 70 expression in commercial broiler
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2006-07) Hajra, Dilip Kumar; Shive Kumar
The experiment was conducted for a period of 6 weeks to evaluate the effects of fluorescent and incandescent light on growth performance, stress response and cost effectiveness. Two hundred commercial broiler chicks were randomly divided into two equal groups. Group I was provided fluorescent light and group II was under incandescent light. Except for first 3 days an 18L:6D regimen with 15 to 20 lux light intensity was maintained throughout the experimental period. Body weight, feed intake were measured and feed conversion ratio, performance index were calculated at weekly intervals up to 6 weeks. Blood samples were collected on 21st and 42nd day of experiment for estimation of cortisol and expression of HSP70. Electrical energy expenditure by the light sources was calculated and profit/loss statement was made after the end of experiment. The results of the experiment indicated that there was significant (P<0.05) improvement in FCR and performance index of broilers under fluorescent light source as compared to incandescent light source from 2nd week onward up to 6th week of age. Significantly (P<0.05) higher body weight was observed under fluorescent light during 5th (1351.20±13.39 g) and 6th (1885.60±15.63 g) week of age. Weekly weight gain was unaffected by fluorescent and incandescent light source but overall weight gain (1840.56±15.76 g) was significantly (P<0.05) higher in fluorescent light. Average daily feed consumption was statistically similar in both experimental groups. In relation to stress response both light source had no appreciable difference in plasma cortisol level and HSP70 expression. As energy expenditure and FCR values were significantly lower in fluorescent light, profit per bird from this group was (Rs. 4.88) more than the bird under incandescent light. It can be concluded from the present investigation that the fluorescent light substantially improves the final weight, FCR and performance index as compared to incandescent light.
Open Access
Comparative studies on growth, carcass and egg quality traits of crossbred chickens in backyard poultry rearing
(G.B. Pant University of Agriculture and Technology, Pantnagar - 263145 (Uttarakhand), 2005-05) Gupta, Chandra Sen; Ashok Kumar
Backyard poultry rearing is one of the most effective methods to assure the availability of poultry eggs and meat in rural areas. The present studies were conducted on various aspects of the backyard poultry rearing for crosses involving indigenous breeds Kadaknath and Aseel as male line and exotic Brown Cornish and Rhode Island Red breeds as female line. Investigations were carried out at six villages of Dineshpur block of Udham Singh Nagar District. Comparative studies on growth, carcass and egg quality traits were evaluated among four crossbreds as Kadaknath × Brown Cornish, Kadaknath × Rhode Island Red, Aseel× Brown Cornish and Aseel × Rhode Island Red. Among the four crossbreds evaluated under backyard poultry rearing, Kadaknath × Brown Cornish was found to be performing well as far as the body weight is concerned. The average body weight at 20 weeks age for crosses Kadaknath × Brown Cornish, Aseel × Brown Cornish, Kadaknath × Rhode Island Red and Aseel × Rhode Island Red were estimated as 1927.70 20.34, 1541.2017.43, 1204.0015.68 and 1279.7020.34 gm, respectively which differed significantly with each other (P<0.05). The average dressing, eviscerated, edible and giblet weight percentage at 20 weeks age for crosses K × BC, A × BC, K × RIR and A × RIR were observed as 75.950.64, 58.361.40, 64.581.77 and 6.210.28; 73.002.13, 57.262.27, 63.772.42 and 5.880.23; 69.982.27, 55.931.82, 62.122.03 and 6.210.97 and 68.643.40, 57.811.92, 64.612.21 and 6.810.53 per cent, respectively. The proximate analysis of deboned meat of crossbred chickens under backyard poultry rearing were estimated to have more crude protein and less ether extract per cent than the earlier report for intensive poultry rearing. On basis of comparative evaluation of egg quality traits, A ×RIR was judged to be the best suitable for egg quality traits among four crossbred chickens. Results revealed that there exists a vast scope of backyard poultry rearing in the Tarai area of Uttaranchal.

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