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Effect of bromelain on milk yield, milk composition and mammary health in dairy goats

A Contreras, Max Paape UGent, RH Miller, JC Corrales, C Luengo and A Sanchez (2009) TROPICAL ANIMAL HEALTH AND PRODUCTION. 41(4). p.493-498
abstract
A 7 month prospective cohort study was designed to determine if feeding bromelain to dairy goats influenced the MSCC, milk yield, milk composition and the incidence of IMI. Forty-four clinically normal goats from 2nd to 6th parities were studied. Daily bromelain dosage was 7.4 grams/animal (185-mg/Kg weight). Samples for diagnostic bacteriology were collected from each udder half every 2 weeks. Samples for MSCC and composition were obtained every 42 days. Milk yield was also recorded every 42 days. Bromelain affected milk protein and fat but not MSCC, milk yield or milk lactose. Bromelain did not decrease the MSCC in healthy goats. Milk protein and fat increased in the bromelain treated group (P < 0.01), which is important for dairymen because premiums are paid milk fat and protein content. No clinical mastitis was detected in the goats for the total study period and incidence rate of subclinical IMI was 5.7%. Relative risk was 1.50 (0.28 < RR < 8.12) which means that the bromelain had no significant effect on IMI (P > 0.05). In addition, the use of pineapple by-products could be especially important in tropical countries were pineapple waste seems to be a pollution problem.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Goat, Bromelain, Milk composition, Milk production, Subclinical intrammamary infection, CLINICAL-APPLICATION, ESCHERICHIA-COLI, IN-VITRO, ENZYME
journal title
TROPICAL ANIMAL HEALTH AND PRODUCTION
Trop. Anim. Health Prod.
volume
41
issue
4
pages
493 - 498
Web of Science type
Article
Web of Science id
000264334400010
JCR category
VETERINARY SCIENCES
JCR impact factor
0.95 (2009)
JCR rank
57/141 (2009)
JCR quartile
2 (2009)
ISSN
0049-4747
DOI
10.1007/s11250-008-9213-7
language
English
UGent publication?
no
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
820314
handle
http://hdl.handle.net/1854/LU-820314
date created
2010-01-07 14:21:37
date last changed
2010-01-20 13:21:16
@article{820314,
  abstract     = {A 7 month prospective cohort study was designed to determine if feeding bromelain to dairy goats influenced the MSCC, milk yield, milk composition and the incidence of IMI. Forty-four clinically normal goats from 2nd to 6th parities were studied. Daily bromelain dosage was 7.4 grams/animal (185-mg/Kg weight). Samples for diagnostic bacteriology were collected from each udder half every 2 weeks. Samples for MSCC and composition were obtained every 42 days. Milk yield was also recorded every 42 days. Bromelain affected milk protein and fat but not MSCC, milk yield or milk lactose. Bromelain did not decrease the MSCC in healthy goats. Milk protein and fat increased in the bromelain treated group (P {\textlangle} 0.01), which is important for dairymen because premiums are paid milk fat and protein content. No clinical mastitis was detected in the goats for the total study period and incidence rate of subclinical IMI was 5.7\%. Relative risk was 1.50 (0.28 {\textlangle} RR {\textlangle} 8.12) which means that the bromelain had no significant effect on IMI (P {\textrangle} 0.05). In addition, the use of pineapple by-products could be especially important in tropical countries were pineapple waste seems to be a pollution problem.},
  author       = {Contreras, A and Paape, Max and Miller, RH and Corrales, JC and Luengo, C and Sanchez, A},
  issn         = {0049-4747},
  journal      = {TROPICAL ANIMAL HEALTH AND PRODUCTION},
  keyword      = {Goat,Bromelain,Milk composition,Milk production,Subclinical intrammamary infection,CLINICAL-APPLICATION,ESCHERICHIA-COLI,IN-VITRO,ENZYME},
  language     = {eng},
  number       = {4},
  pages        = {493--498},
  title        = {Effect of bromelain on milk yield, milk composition and mammary health in dairy goats},
  url          = {http://dx.doi.org/10.1007/s11250-008-9213-7},
  volume       = {41},
  year         = {2009},
}

Chicago
Contreras, A, Max Paape, RH Miller, JC Corrales, C Luengo, and A Sanchez. 2009. “Effect of Bromelain on Milk Yield, Milk Composition and Mammary Health in Dairy Goats.” Tropical Animal Health and Production 41 (4): 493–498.
APA
Contreras, A., Paape, M., Miller, R., Corrales, J., Luengo, C., & Sanchez, A. (2009). Effect of bromelain on milk yield, milk composition and mammary health in dairy goats. TROPICAL ANIMAL HEALTH AND PRODUCTION, 41(4), 493–498.
Vancouver
1.
Contreras A, Paape M, Miller R, Corrales J, Luengo C, Sanchez A. Effect of bromelain on milk yield, milk composition and mammary health in dairy goats. TROPICAL ANIMAL HEALTH AND PRODUCTION. 2009;41(4):493–8.
MLA
Contreras, A, Max Paape, RH Miller, et al. “Effect of Bromelain on Milk Yield, Milk Composition and Mammary Health in Dairy Goats.” TROPICAL ANIMAL HEALTH AND PRODUCTION 41.4 (2009): 493–498. Print.