Effects of stage and number of lactation on the chemical composition of goat milk
The aim of this research was to establish the effects of stage and number of lactation on changes in the chemical composition of goat milk (Alpine and Saanen) during five consecutive lactation periods. All animals were milked manually and kept under the same accommodation and feeding conditions. Mil...
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Published in | Czech Journal of Animal Science Vol. 46; no. 12 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
01.12.2001
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Abstract | The aim of this research was to establish the effects of stage and number of lactation on changes in the chemical composition of goat milk (Alpine and Saanen) during five consecutive lactation periods. All animals were milked manually and kept under the same accommodation and feeding conditions. Milk analyses included determinations of the content of dry matter, solids non fat, fat, protein, lactose, ash, calcium and phosphorus. Established average minimum and maximum contents were as follows: dry matter: 11.15-11.90 %; solids non fat: 7.89-8.48 %; fat: 3.26- 3.58 %; proteins: 2.73-3.04 %; lactose: 4.18-4.50 %; ash: 0.792-0.802 %; calcium: 0.110- 0.124 %; phosphorus: 0.083-0.092 %. During the five lactations, significantly higher (P 0.01) contents of dry matter, solids non fat, lactose, calcium and (partially) phosphorus were determined at the beginning in comparison with the middle of lactation. Correlations were established between the content of dry matter and the content of solids non fat (0.76), fat (0.77), protein (0.64) and lactose (0.46). |
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AbstractList | The aim of this research was to establish the effects of stage and number of lactation on changes in the chemical composition of goat milk (Alpine and Saanen) during five consecutive lactation periods. All animals were milked manually and kept under the same accommodation and feeding conditions. Milk analyses included determinations of the content of dry matter, solids non fat, fat, protein, lactose, ash, calcium and phosphorus. Established average minimum and maximum contents were as follows: dry matter: 11.15-11.90 %; solids non fat: 7.89-8.48 %; fat: 3.26- 3.58 %; proteins: 2.73-3.04 %; lactose: 4.18-4.50 %; ash: 0.792-0.802 %; calcium: 0.110- 0.124 %; phosphorus: 0.083-0.092 %. During the five lactations, significantly higher (P 0.01) contents of dry matter, solids non fat, lactose, calcium and (partially) phosphorus were determined at the beginning in comparison with the middle of lactation. Correlations were established between the content of dry matter and the content of solids non fat (0.76), fat (0.77), protein (0.64) and lactose (0.46). |
Author | Antunac, N Pavic, V Havranek, J.L Samarzija, D Mioc, B. (University of Zagreb (Croatia). Faculty of Agriculture) |
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SubjectTerms | ASH CONTENT CALCIO CALCIUM CHEMICAL COMPOSITION COMPOSICION QUIMICA COMPOSITION CHIMIQUE CONTENIDO DE CENIZA CONTENIDO DE LIPIDOS CONTENIDO DE MATERIA SECA CONTENIDO PROTEICO DRY MATTER CONTENT DURACION DE LA LACTANCIA DUREE DE LA LACTATION FOSFORO GOAT MILK LACTATION DURATION LACTATION NUMBER LACTOSA LACTOSE LAIT DE CHEVRE LECHE DE CABRA LIPID CONTENT NUMERO DE LACTACION NUMERO DE LACTATION PHOSPHORE PHOSPHORUS PROTEIN CONTENT TENEUR EN CENDRES TENEUR EN LIPIDES TENEUR EN MATIERE SECHE TENEUR EN PROTEINES |
Title | Effects of stage and number of lactation on the chemical composition of goat milk |
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