Abstract Title:

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

Abstract Source:

Trop Anim Health Prod. 2009 Apr;41(4):493-8. Epub 2008 Jul 27. PMID: 18661260

Abstract Author(s):

A Contreras, M J Paape, R H Miller, J C Corrales, C Luengo, A Sánchez

Article Affiliation:

Departamento de Sanidad Animal, Facultad de Veterinaria, Universidad de Murcia, 30071 Murcia, Spain. [email protected]

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 (0.280.05). In addition, the use of pineapple by-products could be especially important in tropical countries were pineapple waste seems to be a pollution problem.

Study Type : Animal Study

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