Milk chemical composition and cheese yield of Serrana Creole goat in northwest Argentina
The chemical composition and cheese yield of Serrana Creole goat milk in a semi-intensive system were studied and compared with yields from traditional milky breeds. The cheeses were made half hard with cooked crust, and the production of cheese was weighed weekly and related it to the liters of mil...
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Veröffentlicht in: | Zootecnia tropical 2004-02, Vol.20 (2) |
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Format: | Artikel |
Sprache: | spa |
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Zusammenfassung: | The chemical composition and cheese yield of Serrana Creole goat milk
in a semi-intensive system were studied and compared with yields from
traditional milky breeds. The cheeses were made half hard with cooked
crust, and the production of cheese was weighed weekly and related it
to the liters of milk used. Thirty five experimental runnings were made
during 3 months (August to October) and 350 cheeses were weighed. Data
were analyzed through conventional statistics methods by lineal
regression and predictive equations. Milk chemical composition showed
the following values: Fat: 4.91% ± 0.20, Protein: 5.13% ±
0.10, Non Fat Solids: 11.02% ± 0.12, Total Solids: 15.79% ±
0.25. The mean cheese yield at maturity (day 0) was 16.50% ± 0.28.
Prediction equations for cheese yield and moisture loss in function of
maturity days were: Y = 16.868 - 0.1705*X and Y = 0.5538*X. The
maturation study was done in a 20 days period, considering this as the
appropriate time for their correct finishing touch. At day 20, the
yield was 13.45%. The conclusion was that the Creole goat breed is a
genetic resource of high productive value, because it has an excellent
milk quality with high cheese yielding and good suitability to
different systems and production conditions.
Se estudió la composición química y el rendimiento
quesero de la leche de cabras Criollas Serranas en un sistema
semi-intensivo, comparándolos con los de razas lecheras
tradicionales. Los quesos fabricados fueron de pasta cocida semiduros,
pesándose semanalmente la producción de queso obtenido y
refiriéndola a los litros de leche procesados. Se hicieron 35
fabricaciones experimentales durante tres meses (Agosto a Octubre) y se
pesaron 350 quesos. Los datos se analizaron a través de
regresiones lineales simples y ecuaciones de predicción. La
composición química de la leche mostró los siguientes
valores: Grasa: 4,91% ± 0,20, Proteína: 5,13% ± 0,10,
Sólidos no Grasos: 11,02% ± 0,12, Sólidos Totales:
15,79% ± 0,25. La media del rendimiento quesero al día cero
fue de 16,50% ± 0,28. Las ecuaciones de predicción para el
rendimiento quesero y la pérdida de humedad de los quesos en
función de los días de maduración fueron: Y = 16,868 -
0,1705*X y Y = 0,5538*X. El estudio de maduración se realizó
por un período de 20 días, considerando que éste era el
tiempo apropiado para la correcta afinación de los mismos. Al
día 20 el rendimiento fue de 13,45%. Se concluye que la raza
caprina Criolla presenta en las condiciones del presente |
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ISSN: | 0798-7269 |