Udder morphological traits and milk yield of chilota and suffolk down sheep breeds;Morfología mamaria y producción lechera de las razas ovinas chilota y suffolk down

Chilean Journal of Agricultural Research

Volumn 71, Issue 1, 2011, Pages 90-95

  Martínez, María E ^a   Calderón, Cecilia ^b   de la Barra, Rodrigo ^b   de la Fuente, L Fernando ^c   Gonzalo, Carlos ^c  

^a Praderas Chiloé Ltda   (Chile)

^b INSTITUTO DE INVESTIGACIONES AGROPECUARIAS   (Chile)

^c UNIVERSITY OF LEÓN   (Spain)

Author keywords

Dairy; Mammary morphology; Sheep; Teats

Indexed keywords

DRAYMONIA; OVIS ARIES;

EID: 79955458739     PISSN: 07185820     EISSN: 07185839     Source Type: Journal    
DOI: 10.4067/S0718-58392011000100011     Document Type: Article

References (17)

1. Casu, S., I. Pernazza, and A. Carta. 2006. Feasibility of a linear scoring meted of udder morphology for the selection scheme of Sardinian sheep. Journal of Dairy Science 89:2200-2209.
2. De La Barra, R., A. Carvajal, H. Uribe, M.E. Martinez, C. Gonzalo, J. Arranz, and F. San Primitivo. 2010. El ovino criollo Chilote y su potencial productivo. Animal Genetic Resources. FAO. Accepted.
3. De La Fuente, L.F., G. Fernández, and F. San Primitivo. 1996. A linear evaluation system for udder traits of dairy ewes. Livestock Production Science 45:171-178.
4. Doney, J.M., J.N. Peart, W.F. Smith, and F. Louda. 1979. A consideration of the techniques for estimation of milk yield by suckled sheep and a comparison of estimated obtained by two methods in relation to the effect of breed, level of production and stage of lactation. Journal of Agricultural Science 92:123-132.
5. Fernández, G., P. Álvarez, F. San Primitivo, and L.F. de la Fuente. 1995. Factors affecting variation of udder traits of dairy ewes. Journal of Dairy Science 78:842-849.
6. Gonzalo, C. 1984. Contribución al estudio del ordeño manual y mecánico del ganado ovino en la región Castellano-Leonesa. Tesis Doctoral. Universidad de Murcia, Murcia, España.
7. Gonzalo, C., M.H. Othmane, J.A. Fuertes, L.F. De La Fuente, and F. San Primitivo. 2003. Losses of precision associated with simplified designs of milk recording for dairy ewes. Journal of Dairy Research 70:441-444.
8. Iñiguez, L., M. Hilali, D.L. Thomas, and G. Jesry. 2009. Udder measurements and milk production in two Awassi sheep genotypes and their crosses. Journal of Dairy Science 92:4613-4620.
9. Labussière, J. 1983. Étude des aptitudes laitières et de la facilité de traite de quelques races de brebis du «Bassin Méditerranéen». Projet M4 FAO. p. 730-792. Proceedings 3th International Symposium Machine Milking of Small Ruminants. Com. Español, Sever-Cuesta Valladolid, Spain.
10. Labussière, J. 1988. Review of physiological and anatomical factors influencing the milking ability of ewes and the organization of milking. Livestock Production Science 18:253-273.
11. Labussière, J., D. Dotchewski, et J.F. Combaud. 1981. Caractéristiques morphologiques de la mamelle des brebis Lacaune. Méthodologie pour l'obtention des données. Relations avec l'aptitude à la traite. Annales de Zootechnie 30:115-136.
12. Marie-Etancelin, C., J.M. Astruc, D. Porte, H. Larroque, and C. Robert-Granié. 2005. Multiple-trait genetic parameters and genetic evaluation of udder-type traits in Lacaune dairy ewes. Livestock Production Science 97:211-218.
13. Rogers, G.W., and S.B. Spencer. 1991. Relationships among udder and teat morphology and milking characteristics. Journal of Dairy Science 74:4189-4194.
14. SAS. 2008. SAS user's guide: Statistics. Release 9.1. 2008. SAS Institute, Cary, North Carolina, USA.
15. Seykora, A.J., and B.T. McDaniel. 1985. Heritabilities of teat traits and their relationships with milk yield, somatic cell counts, and percent two-minute milk. Journal of Dairy Science 68:2670-2683.
16. Seykora, A.J., and B.T. McDaniel. 1986. Genetics statistics and relationships of teat and udder traits, somatic cell counts, and milk production. Journal of Dairy Science 69:2395-2407.
17. Vinson, W.E., R.E. Pearson, and L.P. Jonson. 1982. Relationships between linear descriptive type traits and body measurements. Journal of Dairy Science 65:995-1003.