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Articles by M.H. Kawsar
Total Records ( 3 ) for M.H. Kawsar
  M.A. Rashid , M.A.R. Howlider , J. Alam , Md. Abdur Rashid , M.H. Kawsar and S.A. Azmal
  Twenty four indigenous autosomal dwarf hens were selected and divided equally into 3 groups. Rhode Island Red, White Leghorn and Fayoumi Cocks, 2 for each were placed to each group respectively for breeding. Sixty eggs were selected from each group and hatched in a forced draft incubator. Among those, 36 healthy day-old chicks from each group were selected and reared up to 20 weeks of age. The chicks were identified as normal and dwarf genetic groups at 8 weeks of age. The aim of this study was to observe the reproductive parameters of crosses and parameters related to the meat yield of normal and dwarf genetic group of crossbred chicken under farm condition. Fertility, hatchability on total eggs and hatchability on fertile eggs of cross B (95.57; 68.71; 72.41) were higher (p<0.01) than cross A (93.44;63.44;67.62) and cross C (90.92;60.89;67.19). Dead-in-germ and dead-in-shell were statistically higher (p<0.01) in cross C than cross A&B. Reduced adult body size, improved feed conversion and higher livability were found in all genetic groups of dwarf crossbred. Among those, White Leghorn was found as the best one also considering its different dressing yields. Advantages of adw gene in terms of a good scavenger could better be exploited by introgressing in exotic smaller breeds like White Leghorn from indigenous dwarf chicken.
  Md. Abdur Rashid , Md. Shahadat Hossain and M.H. Kawsar
  Nine indigenous bull calves of about 2 years old were divided into 3 groups (3 animals in each). Three rations (A,B & C) were supplied to these groups randomly. The aim of investigation was to evaluate the effect of different rations on the performance of bull calves. Total dry-matter (DM) intake (kg/d) of the animals fed on diet B (2.42) was higher than that of other two. Digestibility of DM was similar in all three cases. Digestibility values for crude Protein (CP) and Ether extract were higher in treatment B group significantly (P<0.05) than the other two groups. Digestibility of crude fibre (CF) was higher in treatment A and B groups than that of C. Treatment group B also showed higher live weight gain (152 g/d) than that of group C (115 g/d) and group A (107/gd). The differences were statistically significant (P<0.01). Feed efficiency of diet group B (16.61) was also showed statistically higher (P<0.05) than that of treatment group C and treatment group A.
  Md. Abdur Rashid , Md. Shahadat Hossain and M.H. Kawsar
  The objective of the investigation was to evaluate the performance of different dairy breeds offered same ingredient, same amount of concentrate mixture and almost same amount of roughage under farm condition. Nine mid-lactating cows of three different dairy breeds were grouped into 3 diet treatments according to their genotype, T1 (Pabna breed), T2 (Sindhi cross) and T3 (Jersey cross). Average daily dry matter (DM) intake by the cows fed on T3 diet (7.23) was slightly higher than that of cows fed on diet T2 (7.20) or T1 (7.18). T3 treatment group showed higher (p<0.01) milk production (5.0) followed by T2 (3.71) and then T1 (2.78). The live weight gain (kg d-1) was highest (0.232) in Jersey cross (T 3) and lowest (0.134) in Pabna cows (T1). The difference of weight gain among different treatment groups was statistically significant. Specific gravity of milk of T2 (1.031) and T3 (1.031) groups were similar but non-significantly higher than T1 (1.029). The production of total solids (g kg-1) was higher in T1 group (139.90) than other two groups but the difference was statistically non-significant. The cows of T1 group produced significantly higher solids-not-fat (88.53 g kg-1) in their milk than other two groups. Fat production by Pabna cows (T1) was non- significantly about 4.7 and 8.2% higher than that of other two groups T2 & T3 respectively. Milk protein present in Pabna cows milk (38.10 g kg-1) was comparatively higher than that of T3 (37.78) or T2 (37.57) cows. The energy value (3.57) of milk of Pabna cows was also non-significantly higher than that of T2 (3.45) and T3 (3.33). Lowest feed cost for per liter milk production (Tk. 6.10) was found in Jersey cross (T3) and highest (Tk. 10.88) in Pabna cross (T1). There was much difference in the values of per liter milk production among the treatment groups.
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