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Title: From goat colostrum to milk: Physical, chemical, and immune evolution from partum to 90 days postpartum
Authors: Sánchez-Macías, D.
Moreno-Indias, I.
Castro, N. 
Morales-delaNuez, A.
Argüello, A. 
Keywords: Somatic-Cell Count
Immunoglobulin Concentration
Chitotriosidase Activity
Mammary Secretions
Trypsin-Inhibitor, et al
Issue Date: 2014
Publisher: 0022-0302
Journal: Journal of Dairy Science 
Abstract: This study focused on the study of the changes originated in the milk from partum until d 90 of lactation. Ten multiparous Majorera goats, bred carefully under animal health standards, with a litter size of 2 kids (the average in this breed is 1.83 prolificacy) and similar gestation length (149 +/- 1 d) were used. Goat kids were removed from their dams to avoid interferences with the study. Compositional content (fat, protein, and lactose) were measured, as well as some other properties, including pH, density, titratable acidity, ethanol stability, rennet clotting time, and somatic cell count. Moreover, immunity molecules (IgG, IgA, and IgM concentrations and chitotriosidase activity) received great attention. Fat and protein content were higher in the first days postpartum, whereas lactose content was lower. Density, titratable acidity, rennet clotting time, and somatic cell count decreased throughout the lactation period, whereas pH and ethanol stability increased. Relative to the immunological parameters, each measured parameter obtained its maximum level at d 0, showing the first milking as the choice to provide immunity to the newborn kids. On the other hand, this study might be used to establish what the best use is: processing or kid feeding.
ISSN: 0022-0302
DOI: 10.3168/jds.2013-6811
Source: Journal of Dairy Science[ISSN 0022-0302],v. 97, p. 10-16
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