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Articles by H.M. Zhou
Total Records ( 2 ) for H.M. Zhou
  L.C. Qian , H.M. Zhou , S.J. Fu , Y.Z. Li , X.F. Cheng , W. Xia , Z.Q. Shen and X.Y. Weng
  This study was carried out to determine the effects of phytase on the growth performance, bone mineralization, digestion and metabolization of nutrientsubstance in Avian broilers. Each of 400, 1 day old male Avian broilers and 400, 1 day old female Avian broilers was randomly divided into 5 groups (Group I, available phosphorus-adequate group without phytase; Group II, available phosphorus-deficient group without phytase; Group III, available phosphorus-deficient group with 250 U kg-1 phytase; Group IV, available phosphorus-deficient group with 500 U kg-1 phytase; Group V, available phosphorus-deficient group with 750 U kg-1 phytase). Each group included 4 replicates, each with 20 broilers. The results showed that the effect of phytase on the growth permance in male broilers was more obvious than that of female. Dry tibia weights of male and female broilers fed with Group II and III diets were decreased compared with Group I; Group IV and V were increased compared with Group I. Tibia phosphorus contents of male and female broilers fed with Group II-V were decreased compared with Group I. Tibia calcium contents of male broilers fed with Group II and V diets were increased by compared with Group I; Group III and IV were decreased compared with Group I. Tibia calcium contents of female broilers fed with Group II, IV and V diets were increased compared with Group I; Group III was decreased compared with Group I. Apparent digestibility coefficients of total phosphorus of Group II-V in male and female broilers were increased compared with Group I. Phosphorus concentrations of faeces of Group II-V in male and female broilers were decreased compared with Group I. Apparent digestibility coefficients of calcium Group II-V in male and female broilers were increased compared with Group I. The result showed that phytase added to available phosphorus-deficient broiler diet could improve the growth performance, bone mineralization as well as calcium and phosphorus availability.
  B.P. Wang , D. Zhang , Y.Y. Liu , F. Wang , S.Y. Wang , L.D. Han , C.Y. Liu , C.X. Liu , J.P. Liu , J. Pan , W.B. Zhang , Tuo Ya , Zhaori Getu , Daolema , C.H. Huang , J.L. Han , Suya , L.G. Zhang , H.M. Zhou and L. Zhang
  The current study investigated the ovarian response to gonadotropin for establishing a suitable protocol of superovulation in Bactrian camel. Fifteen female camels were randomly divided into 4 groups to compare 4 different superovulation protocols during the natural breeding season. Each camel in 4 groups was injected with FSH at 80, 80, 60, 60, 60, 60, 40 and 40 mg, respectively total dosage of 480 mg, for consecutive 4 days at 12 h intervals. The camels in group 2-4 were naturally mated and subsequently injected 300 IU LH 48 h after the last injection of FSH, the camels in group 1 received the same procedure exception of LH injection. Ovarian follicles and corpora luteas were observed through synchronistic laparotomy 7-9 days after natural mating. The results indicated that there is no significant difference in average ovulation rate (p>0.05) among group 1-3 nor among group 2-4. However, there is considerable difference between group 1 and 4 in average ovulation rate (p<0.05), among which the value is highest (81.38±6.44%) for group 4 but lowest (16.89±7.98%) for group 1. Furthermore, the average number of follicles has yet no obvious difference (p>0.05) among group 1-3 nor among group 2-4 but significant difference (p<0.05) between group 1 and 4. Comparatively the animals in group 1 yielded highest average number of follicles (9.80±1.50). Conclusively, the protocol 4 had a best superovulatory effect with an average corpora lutea 9.33±1.45 and therefore it can be used for superovulation in camels.
 
 
 
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