期刊
MEAT SCIENCE
卷 136, 期 -, 页码 93-103出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2017.10.011
关键词
Antibiotic-free; Growth performance; Loin quality; Bacon; Fat quality; Pig
资金
- USDA National Institute of Food and Agriculture, Hatch project [1001265]
- NIFA [689335, 1001265] Funding Source: Federal RePORTER
The objective was to compare growth performance, belly characteristics, and bacon slicing yields of growing finishing pigs fed a subtherapeutic dose of an antibiotic, a natural antimicrobial, or a diet containing no antibiotics or antimicrobials. Barrows and gilts (96 each, initial BW: 27.52 +/- 3.98 kg) were housed in 48 pens (8 replications per treatment) in a 2 x 3 factorial randomized complete block design. Pens were assigned 1 of 3 diets: antibiotic free, oregano or tylosin phosphate. Pigs were slaughtered at an average BW of 127.31 +/- 10.18 kg. There were no differences among dietary treatments for growth performance (P >= 0.06), carcass cutability (P >= 0.42), loin quality (P >= 0.28), fresh belly dimensional characteristics (P >= 0.11), IV (P >= 0.87) or bacon processing characteristics (P >= 0.07 ). Given the lack of differences in meat quality from pigs fed diets without antibiotics, the implementation of VFD in the United States should not result in changes in pork quality.
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