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Review Article

Milk composition and feeding in the Italian dairy sheep

Composizione Del Latte E Alimentazione Nelle Pecore Da Latte

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Pages 5-14 | Received 04 Feb 2004, Accepted 26 Mar 2004, Published online: 02 Mar 2016
 

Abstract

Milk production represents a relevant quota of the energy consumption of the dairy ewe. Studies on relationships among level of production, milk composition and metabolic aspects are the first fundamental step in the development of a feeding system aimed at satisfying nutritive requirements of the animals. This paper reviews the knowledge about the milk composition of main Italian dairy sheep breeds, the relationship among secretion kinetics of milk and protein and productive level of animals, the algorithms used for estimating fat (6.5%) and protein (5.8%) corrected milk yield, the evolution over time of milk production during lactation and the relationships between feeding and milk composition.

Riassunto

La produzione del latte rappresenta una quota rilevante delle esigenze energetiche della pecora da latte. Lo studio delle relazioni che intercorrono fra livelli produttivi, composizione del latte e aspetti metabolici, costituisce il primo passo per lo sviluppo di un adeguato sistema di alimentazione. In questa rassegna sono presi in esame, relativamente alle principali razze ovine da latte italiane, le relazioni fra cinetiche di secrezione di grasso e proteine e livello produttivo degli animali, gli algoritmi per il calcolo del latte normalizzato per il contenuto in grasso (6,5%) e in proteine (5,8%), le curve di lattazione e le relazioni fra composizione del latte e alimentazione.

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