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Kinetics of fat and protein secretion in dairy cattle, sheep, goats and buffaloes

Pulina, Giuseppe and D'Andrea, Francesco and Dimauro, Corrado and Cappio Borlino, Aldo (2003) Kinetics of fat and protein secretion in dairy cattle, sheep, goats and buffaloes. Italian Journal of Animal Science, Vol. 2 (Suppl. 1), p. 296-298. eISSN 1828-051X. Article.

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Abstract

The negative correlations of fat and protein concentrations and milk yield, existing in all ruminants dairy species (Oftedal, 1984; Mepham, 1987), reflect a deep mechanism regulating the respective kinetics of secretion of carrier (mainly lactose which is the major responsible for the water drawn to the milk) and of fat and protein. Whereas the correlation coefficients are low (from –0.2 to – 0.4), fat and protein daily yield and milk production are positively and strongly linked (r = 0.8÷0.9). It means that more productive animals have higher fat and protein yield, but their milk has lower concentration of these components. The aim of this work is to investigate the relationships between milk, fat and protein yield in all main ruminant dairy species by using a simple mathematical model.

Item Type:Article
ID Code:5809
Status:Published
Refereed:Yes
Uncontrolled Keywords:Secretion kinetics, fat, protein, dairy ruminants
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/19 Zootecnica speciale
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze zootecniche
Publisher:Avenue media on behalf of Scientific Association of Animal Production (ASPA)
eISSN:1828-051X
Publisher Policy:Depositato per gentile concessione dell'ASPA
Additional Information:Relazione presentata al 15. Congresso nazionale ASPA, Parma, 18-20 giugno 2003.
Deposited On:23 Mar 2011 13:53

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