Pulina, Giuseppe and Nudda, Anna and Fancellu, Stefania and Barbato, A. M. and Rubattu, Roberto (2005) Infusion of casein hydrolizates into the mammary gland simulates the omission of one daily milking in goats. Italian Journal of Animal Science, Vol. 4 (Suppl. 2), p. 389-391. eISSN 1828-051X. Article.
Suppression of one daily milking at weekends, even though socially desirable, may reduce milk yield. These losses have been attributed to a short-term mechanism: the filling of the cistern and ductal-alveolar system with milk which contains a peptide called feedback inhibitor of lactation (FIL) (Wilde and Peaker, 1990). The FIL probably reduces the synthesis and secretion of mammary cells by blocking the potassium channel of the apical membrane (Silanikove et al., 2000). Shamay et al. (2002) hypothesized that the FIL can be identified with the AA sequence 1-28, derived from the breakdown of β-casein by plasmin (PL). The aim of this work was to verify if the infusion of casein hydrolizates (CNH) into the mammary gland simulates the omission of one milking for two consecutive days.
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