Kamalak, Adem;Canbolat, Onder;Gurbuz, Yavuz;Ozkan, Cagri Ozgur;Kizilsimsek, Mustafa
Asian-Australasian Journal of Animal Sciences
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v.18
no.9
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pp.1249-1254
/
2005
The aim of this study was to determine the effect of maturity stage on the nutritive value of wild mustard straw in terms of chemical composition, in situ, in vitro dry matter degradability and calculated ME. The nutritive values of wild mustard, Sinapsis arvensis hays harvested at three stages were evaluated by chemical composition, in vitro gas production and in situ dry matter degradation methods. Gas production or dry matter (DM) degradation were determined at 0, 3, 6, 12, 24, 48, 72 and 96 h and their kinetics were described using the equation p = a+b(1-e$^{-ct}$). Maturity had a significant effect on both the chemical composition and degradability of wild mustard. Neutral detergent fibre (NDF) and acid detergent fibre (ADF) (p<0.001) increased with increasing maturity whereas the crude protein (CP) (p<0.001) decreased. The gas produced after 96 h incubation ranged between 64.7 and 81.5 ml per 0.200 g of dry matter. The gas production (ml) at all incubation times and estimated parameters decreased with increasing maturity of wild mustard. The gas production at all incubation times and estimated parameters (a, b (a+b), metabolizable energy (ME) and organic matter digestibility (OMD)) were negatively correlated with NDF and ADF. The DM disappearance after 96 h incubation ranged between 50.8 and 76.1%. The in situ DM disappearance at all incubation times and estimated parameters decreased with increasing maturity of wild mustard. The in situ dry matter disappearance at all incubation times and some estimated parameters (c, a, b and effective dry matter degradability (EDMD)) were negatively correlated with NDF and ADF but positively correlated with CP. The nutritive value of wild mustard continually changed as it matured. Wild mustard, harvested at the proper stage of maturity offers considerable potential as a high quality forage for ruminants during the winter feeding period. The present study showed that if higher quality forage is an objective, wild mustard should be harvested at the early flowering stage.
Hwang, Tae-Young;Chung, Hee;Kim, Ki-Yong;Lee, Ki-Won;Lee, Sang-Hoon;Park, Hyung Su;Choi, Gi Jun
Proceedings of the Korean Society of Crop Science Conference
/
2017.06a
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pp.78-78
/
2017
This study was carried out to introduce of agronomic characteristics, forage yields and quality of Sorghum ${\times}$ Sudangrass hybrids 'Cadan 99B' and 'Sweet Sioux WMR' from 2015 to 2016 in middle and southern regions of Korea. The field experiment design was randomized compete block in seven varieties with three repetitions. Sorghum ${\times}$ Sudangrass hybrids were sown in mid-May in middle region, and end-May in southern region of Korea, 2015 and 2016. And, the first harvests were from the end of July to the beginning of August, and the second harvests were from the end of September to the beginning of October in middle and southern regions of Korea. The observed average heading date of Sorghum ${\times}$ Sudangrass hybrids Cadan 99B and Sweet Sioux WMR were July 22. The heading date of Cadan 99B and Sweet Sioux WMR were 8 days earlier than heading control variety SX-17 and 5 days earlier than BMR control Revolution. The sugar contents of Candan 99B and Sweet Sioux WMR were 6.5 and $6.9Brix^{\circ}$, respectively. Comparison with brown mid-rid (BMR) variety, the sugar contents of Cadan 99B and Sweet Sioux WMR were 0.2 and $0.6Brix^{\circ}$ higher than Revolution, respectively. The average of dry matter (DM) yield for 2 years and 2 regions of Cadan 99B (24,587kg/ha) was the highest among the seven varieties, but there was no significant difference among other varieties except headless control variety Jumbo (19,119kg/ha) and test variety LATTE (20,778kg/ha) (p>0.05). The crude protein (CP) and in vitro dry matter digestibility (IVDMD) of Cadan 99B were 7.5% and 60.2%, and Sweet Sioux WMR were 6.9% and 60.7%, respectively. The results of this study indicated that Sorghum ${\times}$ Sudangrass hybrids Cadan 99B and Sweet Sioux WMR were recommended that earlier heading date than other varieties, suitable for silage because of high sugar contents, and high yields of DM in middle and southern regions of Korea.
Terramoccia, S.;Bartocci, A.;Giovanni, S. Di;Bartocci, S.
Asian-Australasian Journal of Animal Sciences
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v.25
no.3
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pp.335-340
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2012
The data used came from two trials undertaken under the same climatic conditions (spring-summer). In both trials pluriparious buffaloes were utilized similar in weight, body condition score, and milk production from the previous year. From the first trial the data used was from the sub-period 23-88 DIM provided by seven animals fed ad libitum with diet A (6.69 MJ/kg DM; 158.30 g/kg of crude protein) with a forage/concentrate ratio of 48/52. From the second trial the data used was from the sub-period 33-90 DIM provided by seven animals fed ad libitum with diet B (6.63 MJ/kg DM; 179.50 g/kg of crude protein) and by seven animals fed ad libitum with diet C (5.99 MJ/kg DM; 155.40 g/kg of crude protein), each of the diets had the same forage/concentrate ratio (53/47). A significant difference was found in milk production between group B and C (13.08 vs. 11.56 kg/d, p<0.05), an intermediate production (12.10 kg/d) was noted in group A. A significant difference was found between fat (76.58 vs. 69.24 g/kg, p<0.05), protein (46.14 vs. 43.16 g/kg, p<0.05) and casein (39.94 vs. 34.98 g/kg, p<0.05) of the milk of group B with respect to group A. The milk of group C gave fat values (71.80 g/kg), protein (45.52 g/kg) and casein (39.06 g/kg) statistically equal to those of group B. The milk of groups B and C, in respect to the milk of group A, gave values of $K_{20}$ (1.77, 1.82 vs. 3.68 min, p<0.05), statistically lower and values of $A_{30}$ (48.28, 47.27 vs. 40.64 mm, p<0.05) statistically higher. Two simple linear regressions were calculated where the independent variable (x) was the daily standardized milk production, the dependent variable (y) or the daily intake of net energy or crude protein. Equation 1) NE (MJ/d) = 74.4049+2.8308${\times}$kg of normalized milk; equation 2) CP (kg/d) = 1.4507+0.1085${\times}$kg of normalized milk, both the equations were significant (p<0.05) with determination coefficients of 0.58 and 0.50 respectively. For a production of normalized milk that varies from 9 to 13 kg, the respective energy-protein concentrations fluctuate from 6.09 to 6.78 MJ/kg DM and from 148.00 to 174.46 g/kg DM.
Objective: The objectives were to assess the effects of purified lignin from wheat straw (sodium hydroxide dehydrated lignin; SHDL) on in vitro ruminal fermentation and on the growth performance of feedlot cattle. Methods: In vitro experiments were conducted by incubating a timothy-alfalfa (50:50) forage mixture (48 h) and barley grain (24 h) with 0, 0.25, 0.5, 1.0, and 2.0 mg/mL of rumen fluid (equivalent to 0, 2, 4, 8, and 16 g SHDL/kg diet). Productions of $CH_4$ and total gas, volatile fatty acids, ammonia, dry matter (DM) disappearance (DMD) and digestion of neutral detergent fiber (NDF) or starch were measured. Sixty Hereford-Angus cross weaned steer calves were individually fed a typical barley silage-barley grain based total mixed ration and supplemented with SHDL at 0, 4, 8, and 16 g/kg DM for 70 (growing), 28 (transition), and 121 d (finishing) period. Cattle were slaughtered at the end of the experiment and carcass traits were assessed. Results: With forage, SHDL linearly (p<0.001) reduced 48-h in vitro DMD from 54.9% to 39.2%, NDF disappearance from 34.1% to 18.6% and the acetate: propionate ratio from 2.56 to 2.41, but linearly (p<0.001) increased $CH_4$ production from 9.5 to 12.4 mL/100 mg DMD. With barley grain, SHDL linearly increased (p<0.001) 24-h DMD from74.6% to 84.5%, but linearly (p<0.001) reduced $CH_4$ production from 5.6 to 4.2 mL/100 mg DMD and $NH_3$ accumulation from 9.15 to $4.49{\mu}mol/mL$. Supplementation of SHDL did not affect growth, but tended (p = 0.10) to linearly reduce feed intake, and quadratically increased (p = 0.059) feed efficiency during the finishing period. Addition of SHDL also tended (p = 0.098) to linearly increase the saleable meat yield of the carcass from 52.5% to 55.7%. Conclusion: Purified lignin used as feed additive has potential to improve feed efficiency for finishing feedlot cattle and carcass quality.
Srigopalram, Srisesharam;Kuppusamy, Palaniselvam;Ilavenil, Soundharrajan;Park, Hyung-Su;Kim, Ji Hye;Yoon, Yong Hee;Kim, Young Jin;Jung, Jeong Sung;Choi, Ki-Choon
Journal of The Korean Society of Grassland and Forage Science
/
v.37
no.2
/
pp.140-144
/
2017
This study was conducted to investigate the effect of microbial inoculation as additive consisting of novel lactic acid bacteria on quality and fermentation characterization of Miscanthus sinnensis silages. The contents of crude protein, acid detergent fiber, neutral detergent fiber in treatments of additive of lactic acid bacteria (ALAB) inoculation had similar to control. pH of Miscanthus sinnensis (MS) silage in treatments of ALAB inoculation significantly decreased as compared to control (p<0.05). The content of lactic acid in in treatments of ALAB inoculation significantly increased (p<0.05), but the content of acetic acid in treatments of ALAB inoculation decreased. In addition, number of lactic acid bacteria in treatments of ALAB inoculation significantly increased as compared to control (p<0.05). Therefor, we suggest that MS silage improved by inoculation of additive consisting of novel lactic acid bacteria.
Journal of The Korean Society of Grassland and Forage Science
/
v.37
no.4
/
pp.332-336
/
2017
This study was conducted to investigate the effect of addition of lactic acid bacteria inoculants on quality of rye silage harvested at early heading stage. The nutritive values in lactic acid bacteria (LAB) inoculated group showed similar results to control. The pH of rye silage in LAB inoculation significantly decreased as compared to control (p<0.05). In addition, the content of lactic acid in LAB inoculation significantly increased (p<0.05), but the content of acetic acid in LAB treatments decreased. In addition, lactic acid bacterial counts in LAB inoculation significantly increased as compared to control (p<0.05). Therefore, we suggest that rye silage could be improved by LAB inoculation.
Journal of The Korean Society of Grassland and Forage Science
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v.13
no.1
/
pp.38-42
/
1993
The objectives of this experiment were to suggest that the suitable mixture type for the herbage use under an intensive system of short-term pasture utilization in fallow land. The field trials were conducted over a 3-year (1989∼1991) period to evaluate the effects of mixture types (pure stands; orchardgrass (OG), simple mixtures; orchardgrass (OG) + red clover (RC), and complex mixtures (C. Mix; orchardgrass + tall fescue + Kentucky bluegrass + ladino clover) on the herbage yield and quality. Mean total dry matter yields per hectare over the three years were higher for OG + RC as 11,849 kg than for OG as 10,709 kg and for C. Mix as 11,371 kg (P<0.05). The concentrations of crude protein were not different among treatments while the concentrations of organic matter digestibility in total herbage over the three years from OG + RC were higher than OG (P<0.05). The total herbage crude protein yields were higher for OG + RC as 2,231 kg than for OG as 1,816 kg and for C. Mix as 2,053 kg (P<0.01). The total herbage digestible organic matter yields were higher for OG + RC as 7,147 kg than for OG as 6,116 kg and for C. Mix as 6,817 kg (P<0.05). On the other hand, organic matter intake per kg were different among the treatments, while organic matter intake per live weight kg from OG + RC as 338 g and C. Mix as 392 g were higher than from OG as 377 g (P<0.01). From the results, it could be considered that OG + RC simple mixture was suitable for the intensive short-term pasture utilization in the fallow land.
Journal of The Korean Society of Grassland and Forage Science
/
v.32
no.3
/
pp.221-228
/
2012
This study was performed to investigate the effects of various parts of sorghum-sorghum hybrid (SSH) silage on nutritive values and qualities of SSH round bale silage and trench silage. SSH "SS405" was harvested at heading stages and ensiled. Samples of SSH silage used in this study were collected in three different parts (outer, middle and inner). The contents of crude protein (CP) and neutral detergent fiber (NDF), and in vitro dry matter digestibility (IVDMD) in SSH round bale silage showed trends similar to SSH trench silage. However, the contents of acid detergent fiber (ADF) and total digestible nutrient (TDN) in SSH trench silage appeared slightly an increased trend, as compared to SSH round bale silage. The contents of CP in inner parts of both SSH round bale silage and trench silage were lower than those of Outer and middle parts (p<0.05). However, The contents of NDF, ADF and TDN, and IVDMD were not different between the parts of SSH silage. The content of lactic acid in SSH round bale silage was significantly decreased (p<0.05), as compared to SSH trench silage. The content of acetic acid appeared an decreased trends, but there is not significantly different between SSH round bale silage and trench silage. In addition, the contents of lactic acid, acetic acid and butyric acid were not different between the parts of SSH silage.
Jianxin Jiao;Ting Wang;Shanshan Li;Nana Gou;A. Allan Degen;Ruijun Long;Hucheng Wang;Zhanhuan Shang
Animal Bioscience
/
v.36
no.3
/
pp.461-470
/
2023
Objective: Sweet sorghum is an important forage crop for ruminants, especially in low rainfall areas. Grapeseeds are an abundant by-product of wine-making and contain bioactive substances that can improve the antioxidant capacity of meat. We examined the effect of sweet sorghum forage with supplementary grapeseeds on carcass and meat quality in lambs. Methods: Twenty-eight Small-tailed Han lambs (body weight = 19.1±1.20 kg), aged 3 to 4 months, were penned, and fed individually. The lambs were divided into four groups (n = 7 each) and were offered one of four diets: i) sweet sorghum silage; ii) sweet sorghum silage + grapeseeds; iii) sweet sorghum hay; and iv) sweet sorghum hay + grapeseeds. The grapeseeds were added to the concentrate at 6% DM and the diets were fed for 100 d. Results: Sweet sorghum silage tended (p = 0.068) to increase hot carcass weight, while grapeseeds tended (p = 0.081) to decrease dressing percentage without affecting other carcass parameters. Lambs consuming supplementary grapeseeds increased (p<0.05) meat redness and tended to decrease (p = 0.075) concentration of methionine in meat. Lambs consuming sweet sorghum silage increased (p<0.001) water content of the meat and had a lower (p<0.05) concentration of n-6 polyunsaturated fatty acids (PUFA) and n-6:n-3 PUFA ratio than lambs consuming sweet sorghum hay. Saturated fatty acids content in meat was lowest (p<0.05) in lambs consuming sweet sorghum silage with grapeseeds. Lambs with supplementary grapeseeds tended (p<0.10) to increase eicosapentaenoic acid and docosahexaenoic acid and have a lower thrombogenic index than lambs not consuming grapeseeds. Conclusion: It was concluded that sweet sorghum with supplementary grapeseeds fed to lambs; i) improved the color of the meat to be more appetizing to the consumer; ii) tended to improve the fatty acids composition of the meat; and iii) lowered thrombogenic index of the meat.
Jong Geun Kim;Young Sang Yu;Yan Fen Li;Li Li Wang;Hyun Rae Kim
Journal of The Korean Society of Grassland and Forage Science
/
v.42
no.4
/
pp.258-263
/
2022
This experiment was conducted to confirm the possibility of manufacturing artificial Italian ryegrass hay using far-infrared rays in Korea. The machine used in this experiment was a far-infrared ray dryer capable of adjusting temperature, airflow, and far-infrared radiation, and was conducted on Italian ryegrass harvested in May. Conditions for drying were performed by selecting a total of nine conditions, and each condition was set to emission rate of 42 to 45%, and the internal temperature was set to 65℃. The speed of the air flow in the machine was 40-60 m/s, and the overall drying time was 30 minutes for 42% radiation, 25 minutes for 43% radiation, and 20 minutes for 45% radiation. The final dry matter content according to each drying condition was 88.5% on average, and the dry matter content suitable for hay was shown in the all treatment. Looking at the power consumption according to the drying conditions, the lowest was found in the treatment that dried for 20 minutes at 45% radiation. In the drying rate, there was no difference in drying conditions 1 to 5, but a significantly low tendency was shown in conditions 6 to 7. In terms of feed value, CP and IVDMD were higher than raw materials in most drying conditions, and ADF and NDF contents were low, and tended to be high in drying conditions 4, 7, and 8. Through the above results, it was judged that drying conditions 7 and 8 were the most advantageous when considering drying speed, power consumption, and quality.
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