Effects of the foal at the milking and dietary supplementation with extra virgin olive oil on jennet milk production

Cristina Giosue', Maria Luigia Alicata, Marco Alabiso, Dale Elton Bauman, Gabriella Iannolino, Antonino D'Amico, Giuseppe Maniaci

Risultato della ricerca: Other

Abstract

The effects of the foal at the milking and the extra virgin olive oil supplementation in the diet, on the milk obtained by 12 Ragusana jennets were studied. The jennets were each fed 3.5+1.5 kg/d of concentrate+bran, and hay ad libitum. They were divided into 2 equal groups with one group receiving an additional dietary supplement of 100 ml/d of olive oil. Milk was collected at day 20 post foaling and every 15-18 d for 5 times. At each collection period jennets were milked 4-times per day. At 07:30 h foals were separated from the jennets and after a 4 hour interval were milked manually (1MNF;1st milking, foal absent). At the end of the 1MNF, each jennet was milked again, with the foals kept near the udder, but prevented from suckling (2MYF; 2nd milking, foal present). After 2MYF, foals were removed a second time and the sequence repeated after another 4 hour interval for the 3rd (3MNF) and 4th (4MYF) milkings. Milk yield was recorded at each milking and samples analyzed for qualitative variables. The milk yield was 26% higher than that reported by Giosuè et al. (2008) in similar conditions. The milk fat content were positively influenced by the presence of the foal at the milking but was not effect by the dietary supplement of olive oil
Lingua originaleEnglish
Pagine688-690
Numero di pagine3
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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