Oil supplementation improved growth and diet digestibility in goats and sheep fed fattening diet
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Objective: This study evaluated the growth, digestibility and rumen fermentation between goats and sheep fed a fattening diet fortified with linseed oil. Methods: Twelve 3 to 4 months old male goats and sheep were randomly allocated into two dietary treatment groups in a 2 (species)×2 (oil levels) factorial experiment. The treatments were: i) goats fed basal diet, ii) goats fed oil-supplemented diet, iii) sheep fed basal diet, and iv) sheep fed oil-supplemented diet. Each treatment group consisted of six animals. Animals in the basal diet group were fed with 30% alfalfa hay and 70% concentrates at a rate equivalent to 4% of their body weight. For the oil treatment group, linseed oil was added at 4% level (w:w) to the concentrate portion of the basal diet. Growth performance of the animals was determined fortnightly. Digestibility study was conducted during the final week of the feeding trial before the animals were slaughtered to obtain rumen fluid for rumen fermentation characteristics study. Results: Sheep had higher (p<0.01) average daily weight gain (ADG) and better feed conversion ratio (FCR) than goats. Oil supplementation did not affect rumen fermentation in both species and improved ADG by about 29% and FCR by about 18% in both goats and sheep. The above enhancement is consistent with the higher dry matter and energy digestibility (p<0.05), as well as organic matter and neutral detergent fiber digestibility (p<0.01) in animals fed oil- supplemented diet. Sheep had higher total volatile fatty acid production and acetic acid proportion compared to goat. Conclusion: The findings of this study suggested that sheep performed better than goats when fed a fattening diet and oil supplementation at the inclusion rate of 4% provides a viable option to significantly enhance growth performance and FCR in fattening sheep and goats.
Abstract
Objective: This study evaluated the growth, digestibility and rumen fermentation between goats and sheep fed a fattening diet fortified with linseed oil. Methods: Twelve 3 to 4 months old male goats and sheep were randomly allocated into two dietary treatment groups in a 2 (species)×2 (oil levels) factorial experiment. The treatments were: i) goats fed basal diet, ii) goats fed oil-supplemented diet, iii) sheep fed basal diet, and iv) sheep fed oil-supplemented diet. Each treatment group consisted of six animals. Animals in the basal diet group were fed with 30% alfalfa hay and 70% concentrates at a rate equivalent to 4% of their body weight. For the oil treatment group, linseed oil was added at 4% level (w:w) to the concentrate portion of the basal diet. Growth performance of the animals was determined fortnightly. Digestibility study was conducted during the final week of the feeding trial before the animals were slaughtered to obtain rumen fluid for rumen fermentation characteristics study. Results: Sheep had higher (p<0.01) average daily weight gain (ADG) and better feed conversion ratio (FCR) than goats. Oil supplementation did not affect rumen fermentation in both species and improved ADG by about 29% and FCR by about 18% in both goats and sheep. The above enhancement is consistent with the higher dry matter and energy digestibility (p<0.05), as well as organic matter and neutral detergent fiber digestibility (p<0.01) in animals fed oil- supplemented diet. Sheep had higher total volatile fatty acid production and acetic acid proportion compared to goat. Conclusion: The findings of this study suggested that sheep performed better than goats when fed a fattening diet and oil supplementation at the inclusion rate of 4% provides a viable option to significantly enhance growth performance and FCR in fattening sheep and goats.
참고문헌 (32)
- (2014)[URL]
- Bahtti A, "Feeding behavior, voluntary intake and digestibility of various summer fodders in sheep and goats", Pak J Zool, 45, pp.53~58 (2013)
- Santra A, "Growth performance of faunated and defaunated Malpura weaner lambs", Anim Feed Sci Technol, 86, pp.251~260 (2000)
- Mahgoub O, "Effects of dietary energy density on feed intake, body weight gain and carcass chemical composition of Omani growing lambs", Small Rumin Res, 37, pp.35~42 (2000)
- R.S. Bhatt, "Growth Performance of Lambs Fed Diet Supplemented with Rice Bran Oil as Such or as Calcium Soap", Animal Bioscience, 26(6), pp.812~819 (2013), 아세아·태평양축산학회[DOI]
- Ferreira EM, "Growth, feed intake, carcass characteristics, and meat fatty acid profile of lambs fed soybean oil partially replaced by fish oil blend", Anim Feed Sci Technol, 187, pp.9~18 (2014)
- Bhatt RS, "Effects of different levels of coconut oil supplementation on performance, digestibility, rumen fermentation and carcass traits of Malpura lambs", Anim Feed Sci Technol, 164, pp.29~37 (2011)
- Yusuf AM, "Nutritional evaluation of sheabutter fat in fattening of Yankasa sheep", Pakistan J Nutr, 8, pp.1062~1067 (2009)
- Candyrine SCL, "In vitro rumen fermentation characteristics of goat and sheep supplemented with polyunsaturated fatty acids", Anim Prod Sci, 57, pp.1607~1612 (2016)
- Devendra C, "ruminants in Asia; Contribution to food security, poverty lleviation and opportunities for productivity enhancement", Proceeding of international workshop on small ruminant production and development in South East Asia 2005, MEKARN, pp.19~32 (2005)
- Abdullah M, "Performance of Beetal goats and Lohi sheep under different feeding management systems", Pak J Zool, 45, pp.107~111 (2013)
- AOAC International, "Official methods of analysis of the Association of Official Agricultural Chemists" (1999), AOAC International
- Van Soest PJ, "Methods for dietary fiber, neutral detergent fiber, and nonstarch polysaccharides in relation to animal nutrition", J Dairy Sci, 74, pp.3583~3597 (1991)
- Folch J, "A simple method for the isolation and purification of total lipids from animal tissues", J Biol Chem, 226, pp.497~509 (1957)
- Ebrahimi M, "Impact of different inclusion levels of oil palm (Elaeis guineensis Jacq.) fronds on fatty acid profiles of goat muscles", J Anim Physiol Anim Nutr, 96, pp.962~969 (2012)
- Aboud AAO, "Animal Production in Developing Countries", pp.202~203 (1993), British Society of Animal Production
- Salim HM, "Intake and growth performance of female goats and sheep given concentrate supplement under grazing condition", Pak J Biol Sci, 6, pp.1304~1309 (2003)
- Krishnamoorthy U, "Rearing young ruminants on milk replacers and starter feeds" (2012), Food and Agriculture Organization of the United Nations
- Saleem AZM, "Nutritive evaluations of some browse tree foliages during the dry season: secondary compounds, feed intake and in vivo digestibility in sheep and goats", Anim Feed Sci Technol, 127, pp.251~267 (2006)
- Zhang CM, "Effect of octadeca carbon fatty acids on microbial fermentation, methanogenesis and microbial flora in vitro", Anim Feed Sci Technol, 146, pp.259~269 (2008)
- Faciola AP, "Effects of feeding lauric acid or coconut oil on ruminal protozoa numbers, fermentation pattern, digestion, omasal nutrient flow, and milk production in dairy cows", J Dairy Sci, 97, pp.5088~5100 (2014)
- Nhan NTH, "Determination of the optimum level of a soybean oil drench with respect to the rumen ecosystem, feed intake and digestibility in cattle", Livest Res Rural Dev, 19 (2007)
- Saini JK, "Effect of roughage to concentrate ratio in the diet on the rumen environment and nutrient utilization in goat and sheep", Indian J Anim Nutr, 4, pp.333~338 (2012)
- Molina G, "Cellulolytic and Butyrivibrio fibrisolvens bacteria population density, after supplementing fodder diets(Pennisetum clandestinum)", Rev MVZ Cordoba, 20, pp.4947~4961 (2015)
- Johnson KA, "Methane emissions from cattle", J Anim Sci, 73, pp.2483~2492 (1995)
- Nkrumah JD, "Relationships of feedlot feed efficiency, performance, and feeding behavior with metabolic rate, methane production, and energy partitioning in beef cattle", J Anim Sci, 84, pp.145~153 (2006)
- Koike S, "Development and use of competitive PCR assays for the rumen cellulolytic bacteria : Fibrobacter succinogenes, Ruminococcus albus and Ruminococcus flavefaciens", FEMS Microbiol Lett, 204, pp.361~366 (2001)
- Sylvester JT, "Development of an assay to quantify rumen ciliate protozoal biomass in cows using real-time PCR", J Nutr, 134, pp.3378~3384 (2004)
- 23S RRNA sequencing nucleic acid techniques in bacterial systematics, "16S", pp.1991, Lane DJ
- Zhou M, "Assessment of the microbial ecology of ruminal methanogens in cattle with different feed efficiencies", Appl Environ Microbiol, 75, pp.6524~6533 (2009)
- Yu Y, "Group-specific primer and probe sets to detect methanogenic communities using quantitative real-time polymerase chain reaction", Biotechnol Bioeng, 89, pp.670~679 (2005)
- Boeckaert C, "Accumulation of transC18 : 1fatty acids in the rumen after dietary algal supplementation is associated with changes in the Butyrivibrio community", Appl Environ Microbiol, 74, pp.6923~6930 (2008)