Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47886
Title: Chitotriosidase activity in goat blood and colostrum
Authors: Argüello, A. 
Castro, N. 
Batista, M. 
Moreno-Indias, I.
Morales-DelaNuez, A.
Sanchez-Macias, D.
Quesada, E.
Capote, J. 
Keywords: Milk
Chitinase
Growth
Kids
Issue Date: 2008
Publisher: 0022-0302
Journal: Journal of Dairy Science 
Abstract: Chitotriosidase (ChT) activity has not been investigated in ruminants, and therefore, we studied this activity in blood and colostrum of 25 pregnant goats and 60 goat kids. Blood samples were taken from pregnant goats at 3, 2, and 1 d prepartum; at partum; and at 1, 2, 3, and 4 d postpartum. Colostrum samples were obtained by machine-milking at partum and 1, 2, 3, and 4 d postpartum. Goat kid blood was collected at birth and every 7 d thereafter until goats kids were 56 d old. The ChT activity ranged from 2,368 to 3,350 nmol/ mL per hour in goat blood serum, and no statistical differences were detected through time. However, activity tended to decrease from 3 d prepartum to 2 d postpartum. Colostrum ChT activity was 3,912 nmol/mL per hour and 465 nmol/mL per hour on the day of delivery and 4 d postpartum, respectively. Colostrum ChT activity was significantly higher at partum than at any other time. The ChT activity in colostrum was significantly greater at 1 d postpartum than at 2, 3, and 4 d postpartum. Chitotriosidase activity did not differ in colostrum collected on d 2, 3, and 4 postpartum. Chitotriosidase activity in goat kid blood serum ranged from 2,664 to 9,231 nmol/mL per hour at birth and 49 d of life, respectively. Chitotriosidase activity in the blood serum increased with age: at birth, activity was significantly less than at 28, 35, 42, 49, and 56 d postpartum. The maximum ChT activity in blood serum was observed at 49 d postpartum. Activity in 49-d-old kids was significantly greater than that observed in kids at 0, 7, and 14 d postpartum.
URI: http://hdl.handle.net/10553/47886
ISSN: 0022-0302
DOI: 10.3168/jds.2007-0826
Source: Journal of Dairy Science[ISSN 0022-0302],v. 91, p. 2067-2070
Appears in Collections:Actas de congresos
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