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Title: :  Genetic X Environmental Interaction Parameters Of Friesian Cattle
PaperId: :  8320
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 4 Issue 2 2018
DUI:    16.0415/IJARIIE-8320
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
Ward M. Ashraf University of Tripoli, Tripoli, Libya
Hdud M. IsmailUniversity of Tripoli, Tripoli, Libya
Abuargob M. OmryUniversity of Tripoli, Tripoli, Libya
Ruban Y. SergeyInstitute of Animal breeding and genetic -NAAS, Kiev-Ukraine

Abstract

Veterinary Medicine
Friesian, climate, Genetic, non-genetic, parameters
Data collected on Friesian Heifers were used in this research to estimate genetic and non-genetic parameters. The average age at first calving (AFC), gestation period (GP), number services per conception (S/C), calving interval (CI), total milk yield (TMY), daily milk yield (DMY) and lactation length (LL) ranges were 24.9±2.34 - 26.50±2.84 months, 274.21±55.57 - 273.3±4.03 days, 3.92±2.77-2.3±1.7, 468.90±116.32 - 445.4±92.81 days, 5533.14±1546.03 - 3748.2±1095.2 kg, 15.10±3.58 - 11.00±2.42 kg, and 376.74±15.89 - 349.0±86 days respectively. Results showed that parity number had a significant (p < 0.05) effect on (S/C). Also age at first calving had a significant (p < 0.05) effect on milk yield per lactation and daily milk yield (p < 0.01). Year of calving presented a significant (p < 0.05) effect on DMY, S/C and (CI) (p < 0.001). Whereas place of birth had a highly significant effect (p < 0.001) on TMY and significant (p < 0.01) effect on AFC. Repeatability estimates for GP, S/C, CI, TMY, DMY and LL were found to be 0.170±0.045, 0.090±0.044, 0.361±0.047, 0.420±0.061 and 0.094±0.044, respectively. While heritability estimates by paternal half-sib method ranged from 0.003±0.078 for LL and 0.190±0.140 for AFC. Whereas, estimates calculated by daughter-dam regression were found to be 0.710±0.456, 0.320±0.168, 0.106±0.120, 0.100±0.150, 0.174±0.136 and 0,055±0.224 for AFC, GP, S/C, TMY, DMY and LL, respectively. Regarding phenotypic correlations among parameters, age at first calving was negatively correlated with other traits except for S/C and DMY. Whereas S/C exhibited positive phenotypic correlation with all the traits studied. Total milk yield was found to have positive correlation with DMY and LL. Concerning genetic correlations among traits were either inestimable or overestimated

Citations

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IJARIIE Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. "Genetic X Environmental Interaction Parameters Of Friesian Cattle" International Journal Of Advance Research And Innovative Ideas In Education Volume 4 Issue 2 2018 Page 4617-4625
MLA Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. "Genetic X Environmental Interaction Parameters Of Friesian Cattle." International Journal Of Advance Research And Innovative Ideas In Education 4.2(2018) : 4617-4625.
APA Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, & Ruban Y. Sergey. (2018). Genetic X Environmental Interaction Parameters Of Friesian Cattle. International Journal Of Advance Research And Innovative Ideas In Education, 4(2), 4617-4625.
Chicago Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. "Genetic X Environmental Interaction Parameters Of Friesian Cattle." International Journal Of Advance Research And Innovative Ideas In Education 4, no. 2 (2018) : 4617-4625.
Oxford Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. 'Genetic X Environmental Interaction Parameters Of Friesian Cattle', International Journal Of Advance Research And Innovative Ideas In Education, vol. 4, no. 2, 2018, p. 4617-4625. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/Genetic_X_Environmental_Interaction_Parameters__Of_Friesian_Cattle_ijariie8320.pdf (Accessed : 25 August 2018).
Harvard Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. (2018) 'Genetic X Environmental Interaction Parameters Of Friesian Cattle', International Journal Of Advance Research And Innovative Ideas In Education, 4(2), pp. 4617-4625IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/Genetic_X_Environmental_Interaction_Parameters__Of_Friesian_Cattle_ijariie8320.pdf (Accessed : 25 August 2018)
IEEE Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey, "Genetic X Environmental Interaction Parameters Of Friesian Cattle," International Journal Of Advance Research And Innovative Ideas In Education, vol. 4, no. 2, pp. 4617-4625, Mar-App 2018. [Online]. Available: http://ijariie.com/AdminUploadPdf/Genetic_X_Environmental_Interaction_Parameters__Of_Friesian_Cattle_ijariie8320.pdf [Accessed : 25 August 2018].
Turabian Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. "Genetic X Environmental Interaction Parameters Of Friesian Cattle." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 4 number 2 (25 August 2018).
Vancouver Ward M. Ashraf , Hdud M. Ismail, Abuargob M. Omry, and Ruban Y. Sergey. Genetic X Environmental Interaction Parameters Of Friesian Cattle. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2018 [Cited : 25 August 2018]; 4(2) : 4617-4625. Available from: http://ijariie.com/AdminUploadPdf/Genetic_X_Environmental_Interaction_Parameters__Of_Friesian_Cattle_ijariie8320.pdf
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