Evaluating the Rumen Degradation of Novel Protected Gelatin Capsules Containing Fish Oil Fed to Lactating Dairy Cows
نویسندگان
چکیده
The objective of this study was to assess the effects feeding gelatin capsules containing fish oil, treated with alcoholic solutions flavoring agents followed by drying, on lactation performance, rumen fatty acids content and milk enrichment acids. In Trial 1, four multiparous ruminally fistulated Holstein cows were randomly assigned one dietary treatments sequences in a 4 × Latin square design. Treatments consisted (1) Control no capsules, (2) plus 200 untreated per cow/day, mixed TMR, (3) cow/day placed directly into rumen, (4) TMR. 2, three Jersey replicated 3 fed cows, 180 cow/day. Compared control, oil significantly (Trial 1) or numerically 2) reduced fat concentration yield. Furthermore, both trials, had effect animal performance composition. compared controls, supplementing diet consistently increased total trans C18:1 isomers DHA fat. However, for capsule protection treatment minimal any reported When assessed under laboratory control conditions, due water absorption, weight 40% while resistance pressure decreased 84% after 2 h incubation water. results suggest that reduction shell’s abrasion, marginally prevented release rumen.
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ژورنال
عنوان ژورنال: Animals
سال: 2023
ISSN: ['2076-2615']
DOI: https://doi.org/10.3390/ani13162555