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Research Article

volume 52 issue 6 (june 2018) : 917-922,   Doi: 10.18805/ijar.B-3296

Morphological structuring using principal component analysis of Rampur-Bushair sheep under transhumance production in western Himalayan region, India 

V
Varun Sankhyan
Y
Y.P Thakur
S
Sanjeet Katoch
P
P.K Dogra
R
Rakesh Thakur
1Department of Animal Genetics and Breeding, College of Veterinary and Animal Science, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, Himachal Pradesh, India.
Cite article:- Sankhyan Varun, Thakur Y.P, Katoch Sanjeet, Dogra P.K, Thakur Rakesh (2017). Morphological structuring using principal component analysis of Rampur-Bushair sheep under transhumance production in western Himalayan region, India. Indian Journal of Animal Research. 52(6): 917-922. doi: 10.18805/ijar.B-3296.

ABSTRACT

Principal component analysis (PCA) was employed on 12 biometric traits of Rampur-Bushair sheep of Himachal Pradesh. Morphological and biometrical observations were recorded on 162 young and 566 adult animals. Multivariate statistics and principal component analysis revealed that body measurements except for peripheral traits were mostly positively and significantly correlated. The correlation among conformation traits ranged from -0.08 to 0.79 and “0.18 to 0.71 in young and adult sheep respectively. Three and four factors were extracted in young and adult sheep respectively, which accounted for 57% and 61% of variation. The principal component extracted contributed effectively to explain general body conformation. The regression analysis suggested that use of principal component was more appropriate than the use of original correlated variable in estimating body weights. Therefore, factor extracted could be helpful in breeding programme with sufficient reduction in the number of biometric traits to be recorded to explain the body conformation. 

REFERENCES

  1. Altarriba, J., Varona., L., Moreno. C., Yague G.. and Pastor F. (2009). Effect of growth selection on morphology in Pirenaica cattle. Anim Res., 55:55-63.
  2. Bhasin, V. (2013). Pastoralist of Himalayas. J. Biodiver., 4(2):83-113.
  3. Delgado, J.V., Barba, C., Camacho. M.E., Sereno., F.T.P.S., Martinez A. and Vega-Pla. J.L (2001). Livestock characterization in Spain. Anim. Genet. Resour. Inf., 29:7-18.
  4. Dietl, G., Hoffmann S.. and Reinsch N. (2005). Impact of trainer and judges in the mare performances test of warm blood horses. Arch Tierz Dummenstorf ., 48:113-120.
  5. Dixit, S.P., Gaur. G.K, Yadav D.K. and Singh G. (2005). Characterization of Rampur Bushair sheep in the north temperate region of India. FAO Bulletin: Anim. Genet. Resour., 36: 47-52.
  6. FAO. (2012). Phenotypic characterization of phenotypic resources Animal Production and Health Guideline No.11, Rome.
  7. Herrera, M.E., Rodeos. M.J., Gutierrez F.P.. and Rodero J.M., (1996). Application of multifactorial discriminant analysis in the morphostructural differentiation of Andalusian caprine breeds. Small Rumin. Res., 22: 39-47.
  8. Ibe, S. N. (1989). Measures of size and conformation in commercial broilers. J. Anim. Breed. Genet., 106: 1–6.
  9. Janssens, S and. Vandepitte W.. (2004). Genetic parameters for body measurements and linear type traits in Belgian Blue du Maine, Suffolk and Texel sheep. Small Rumin. Res., 254:13-24.
  10. Keskin, S., Darian. I. and Kor A., (2007). Factor analysis scores in a multiple linear regression model for prediction of carcass weight in Akkeci kids. J. App. Ani. Res., 31: 210–214.
  11. Khargharia, G., Kadirvel, G., Kumar, S., Dopey. S,.Bharti P.K. and Das M.. (2015). Principal component analysis of morphological trait of Assam hill goat in eastern Himalayan India. J. Anim. Plant. Sci., 25 (5): 1251-58.
  12. Kunene, N.W., Bezuidenhout C.C.. and Sahlaii N. (2009). Determination of prediction equations for estimating body weight of Zulu (Nguni) sheep. Small Rumin. Res., 84: 1–3.
  13. Legaz, E., I. Cervantes., Perez-Cabal. M.A., de la Fuente. L.F, Martinez. R., Goyache F.. and. Gutierrez J.P. (2011). Multivariate characterisation of morphological traits in Assaf (Assaf. E) sheep. Small Rumin. Res., 100: 122–130.
  14. Mavule, B.S, Muchenje. V., Bezuidenhout C.C.. and Kunene N.W.. (2013). Morphological structure of Zulu sheep based on principal component analysis of body measurements. Small Rumin. Res. 111: 23-30.
  15. Mulyono, R.H., Gunawan A., and Sumantri C.. (2009). Characteristics of size and shape of body dimension of Madura and Rote (Indonesia) Fat- Tailed sheep using Principal component analysis. The 1st International Seminar on Animal Industry, 253-258.
  16. Ogah, D.M. (2011). Assessing size and conformation of the body of Nigerian indigenous Turkey. Slovakia J. Anim. Sci., 44:21–27. 
  17. Patoo R.A., Singh D.V., Singh S.K., Chaudhari B.K., Singh A.K., Singh M.K. and. Kaushal S.. (2016). Comparative study on some morphological and performance traits of Hill cattle, Sahiwal and crossbred cattle Indian J. Anim. Res., 50 (2):148-151.
  18. Riva, J., Rizzi. R., Marelli S. and Cavalchini L.G. (2004). Body measurements in Bargamasca sheep. Small. Rumin. Res., 55: 221–227.
  19. Salako, A.E. (2006). Application of morphological indices in the assessment of type and Function in sheep. Int. J. Morph., 24:8- 13.
  20. Selolo T.C., Mashiloane, L. M., Norris, D., Ng’ambi J.W. and. Brown D. (2015). Morphological differentiation of indigenous goats in different agro-ecological zones of Vhembe district, Limpopo province, South Africa. Indian J. Anim. Res., 49 (4): 527-531.
  21. Taye, M., Abebe, G., Gizaw S., Lema, S., Mekoya A. and Tibbo M. (2010). Traditional management systems and linear body measurements of Washera sheep in the western highlands of the Amhara National Regional State, Ethiopia. Livest. Res. Rural. Dev., 22:169. 
  22. Verma, V. (1996). Gaddis of Dhauladhar, New Delhi: Indus Publishing Company.
  23. Yakabu, A and. Ayodae J. (2009). Application of principal component factor analysis in quantifying size and morphological indices of domestic rabbits. Int. J. Morph., 27(4):1013-1017.
  24. Yunusa, A.J., Salako A.E.. and Oladejo, O.A. (2013). Principal component analysis of the morphostructure of Uda and Balami sheep of Nigeria. Int. Res. J. Agric. Sci., 1(3):45-51. 
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    Research Article

    volume 52 issue 6 (june 2018) : 917-922,   Doi: 10.18805/ijar.B-3296

    Morphological structuring using principal component analysis of Rampur-Bushair sheep under transhumance production in western Himalayan region, India 

    V
    Varun Sankhyan
    Y
    Y.P Thakur
    S
    Sanjeet Katoch
    P
    P.K Dogra
    R
    Rakesh Thakur
    1Department of Animal Genetics and Breeding, College of Veterinary and Animal Science, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, Himachal Pradesh, India.
    Cite article:- Sankhyan Varun, Thakur Y.P, Katoch Sanjeet, Dogra P.K, Thakur Rakesh (2017). Morphological structuring using principal component analysis of Rampur-Bushair sheep under transhumance production in western Himalayan region, India. Indian Journal of Animal Research. 52(6): 917-922. doi: 10.18805/ijar.B-3296.

    ABSTRACT

    Principal component analysis (PCA) was employed on 12 biometric traits of Rampur-Bushair sheep of Himachal Pradesh. Morphological and biometrical observations were recorded on 162 young and 566 adult animals. Multivariate statistics and principal component analysis revealed that body measurements except for peripheral traits were mostly positively and significantly correlated. The correlation among conformation traits ranged from -0.08 to 0.79 and “0.18 to 0.71 in young and adult sheep respectively. Three and four factors were extracted in young and adult sheep respectively, which accounted for 57% and 61% of variation. The principal component extracted contributed effectively to explain general body conformation. The regression analysis suggested that use of principal component was more appropriate than the use of original correlated variable in estimating body weights. Therefore, factor extracted could be helpful in breeding programme with sufficient reduction in the number of biometric traits to be recorded to explain the body conformation. 

    REFERENCES

    1. Altarriba, J., Varona., L., Moreno. C., Yague G.. and Pastor F. (2009). Effect of growth selection on morphology in Pirenaica cattle. Anim Res., 55:55-63.
    2. Bhasin, V. (2013). Pastoralist of Himalayas. J. Biodiver., 4(2):83-113.
    3. Delgado, J.V., Barba, C., Camacho. M.E., Sereno., F.T.P.S., Martinez A. and Vega-Pla. J.L (2001). Livestock characterization in Spain. Anim. Genet. Resour. Inf., 29:7-18.
    4. Dietl, G., Hoffmann S.. and Reinsch N. (2005). Impact of trainer and judges in the mare performances test of warm blood horses. Arch Tierz Dummenstorf ., 48:113-120.
    5. Dixit, S.P., Gaur. G.K, Yadav D.K. and Singh G. (2005). Characterization of Rampur Bushair sheep in the north temperate region of India. FAO Bulletin: Anim. Genet. Resour., 36: 47-52.
    6. FAO. (2012). Phenotypic characterization of phenotypic resources Animal Production and Health Guideline No.11, Rome.
    7. Herrera, M.E., Rodeos. M.J., Gutierrez F.P.. and Rodero J.M., (1996). Application of multifactorial discriminant analysis in the morphostructural differentiation of Andalusian caprine breeds. Small Rumin. Res., 22: 39-47.
    8. Ibe, S. N. (1989). Measures of size and conformation in commercial broilers. J. Anim. Breed. Genet., 106: 1–6.
    9. Janssens, S and. Vandepitte W.. (2004). Genetic parameters for body measurements and linear type traits in Belgian Blue du Maine, Suffolk and Texel sheep. Small Rumin. Res., 254:13-24.
    10. Keskin, S., Darian. I. and Kor A., (2007). Factor analysis scores in a multiple linear regression model for prediction of carcass weight in Akkeci kids. J. App. Ani. Res., 31: 210–214.
    11. Khargharia, G., Kadirvel, G., Kumar, S., Dopey. S,.Bharti P.K. and Das M.. (2015). Principal component analysis of morphological trait of Assam hill goat in eastern Himalayan India. J. Anim. Plant. Sci., 25 (5): 1251-58.
    12. Kunene, N.W., Bezuidenhout C.C.. and Sahlaii N. (2009). Determination of prediction equations for estimating body weight of Zulu (Nguni) sheep. Small Rumin. Res., 84: 1–3.
    13. Legaz, E., I. Cervantes., Perez-Cabal. M.A., de la Fuente. L.F, Martinez. R., Goyache F.. and. Gutierrez J.P. (2011). Multivariate characterisation of morphological traits in Assaf (Assaf. E) sheep. Small Rumin. Res., 100: 122–130.
    14. Mavule, B.S, Muchenje. V., Bezuidenhout C.C.. and Kunene N.W.. (2013). Morphological structure of Zulu sheep based on principal component analysis of body measurements. Small Rumin. Res. 111: 23-30.
    15. Mulyono, R.H., Gunawan A., and Sumantri C.. (2009). Characteristics of size and shape of body dimension of Madura and Rote (Indonesia) Fat- Tailed sheep using Principal component analysis. The 1st International Seminar on Animal Industry, 253-258.
    16. Ogah, D.M. (2011). Assessing size and conformation of the body of Nigerian indigenous Turkey. Slovakia J. Anim. Sci., 44:21–27. 
    17. Patoo R.A., Singh D.V., Singh S.K., Chaudhari B.K., Singh A.K., Singh M.K. and. Kaushal S.. (2016). Comparative study on some morphological and performance traits of Hill cattle, Sahiwal and crossbred cattle Indian J. Anim. Res., 50 (2):148-151.
    18. Riva, J., Rizzi. R., Marelli S. and Cavalchini L.G. (2004). Body measurements in Bargamasca sheep. Small. Rumin. Res., 55: 221–227.
    19. Salako, A.E. (2006). Application of morphological indices in the assessment of type and Function in sheep. Int. J. Morph., 24:8- 13.
    20. Selolo T.C., Mashiloane, L. M., Norris, D., Ng’ambi J.W. and. Brown D. (2015). Morphological differentiation of indigenous goats in different agro-ecological zones of Vhembe district, Limpopo province, South Africa. Indian J. Anim. Res., 49 (4): 527-531.
    21. Taye, M., Abebe, G., Gizaw S., Lema, S., Mekoya A. and Tibbo M. (2010). Traditional management systems and linear body measurements of Washera sheep in the western highlands of the Amhara National Regional State, Ethiopia. Livest. Res. Rural. Dev., 22:169. 
    22. Verma, V. (1996). Gaddis of Dhauladhar, New Delhi: Indus Publishing Company.
    23. Yakabu, A and. Ayodae J. (2009). Application of principal component factor analysis in quantifying size and morphological indices of domestic rabbits. Int. J. Morph., 27(4):1013-1017.
    24. Yunusa, A.J., Salako A.E.. and Oladejo, O.A. (2013). Principal component analysis of the morphostructure of Uda and Balami sheep of Nigeria. Int. Res. J. Agric. Sci., 1(3):45-51. 
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