Article ; Online: Nutritional strategies, performance, digestibility, and carcass traits of Santa Ines and Rabo Largo breeds in a tropical climate.
Tropical animal health and production
2024 Volume 56, Issue 2, Page(s) 82
Abstract: ... carcass traits, and the yield of commercial cuts of Santa Ines (SI) and Rabo Largo (RL) breeds fed diets ...
Abstract | The aim of this study was to compare the performance, intake, digestibility, ruminal parameters, carcass traits, and the yield of commercial cuts of Santa Ines (SI) and Rabo Largo (RL) breeds fed diets with high or low roughage-to-concentrate ratio (R:C) under a tropical climate. Twenty lambs from each breed were individually housed in covered pens and fed the experimental diets for 58 days. The diets were formulated to meet the growth requirements of lambs with a roughage-to-concentrate ratio of 70:30 and 30:70. Significant interactions of breed × diet for nutrient intake were observed (P < 0.05), with SI lambs fed low R:C diet showing higher intake of dry matter, organic matter, crude protein, and total carbohydrates compared to RL lambs fed the same diet. SI lambs fed high R:C diet had higher intake of neutral detergent fiber than RL lambs (P < 0.05). SI lambs displayed better average daily gain and feed efficiency, regardless of diet (P < 0.05). Carcass traits and gastrointestinal components were influenced by breed and diet (P < 0.05). SI lambs fed low R:C diet showed higher subcutaneous fat thickness and better carcass finishing compared to RL lambs (P < 0.05). SI breed lambs exhibited better growth performance, carcass traits, and gastrointestinal characteristics, even when fed diets with a high roughage-to-concentrate ratio. |
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MeSH term(s) | Sheep ; Animals ; Tropical Climate ; Digestion ; Animal Feed/analysis ; Sheep, Domestic ; Diet/veterinary ; Dietary Fiber/metabolism |
Chemical Substances | Dietary Fiber |
Language | English |
Publishing date | 2024-02-17 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 603363-5 |
ISSN | 1573-7438 ; 0049-4747 |
ISSN (online) | 1573-7438 |
ISSN | 0049-4747 |
DOI | 10.1007/s11250-024-03921-3 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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