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Modeling temperature and moisture dependent emissions of carbon dioxide and methane from drying dairycow manure

Enzhu HU, Pakorn SUTITARNNONTR, Markus TULLER, Scott B. JONES

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 2,   Pages 280-286 doi: 10.15302/J-FASE-2018215

Abstract: of temperature and moisture content on emissions of CO and CH during the ambient drying process of dairyResults indicate that for the investigated dairy manure, 6.83% of TC was lost in the form of CO and

Keywords： carbon dioxide     dairy manure     methane     moisture     temperature    

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The relationship between progesterone and Th-related cytokines in plasma during early pregnancy in cows

Lei CHENG,Youdong XIN,Xiaohua LIU,Xiuzhong HU,Min XIANG,Dingfa WANG,Shuhong ZHAO

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 2,   Pages 147-152 doi: 10.15302/J-FASE-2016099

Abstract: In cows, progesterone (P4) is essential for the maintenance of pregnancy and successful embryo development is dependent on the maternal immunomodulation of Th-related cytokines. However, investigation of the relationship between P4 and Th immunity in cattle remains incomplete. Therefore, we evaluated plasma P4 concentrations and expressions of three Th-related cytokines, interleukins IL-1β, IL-4 and IL-6, in 15 pregnant and 11 non-pregnant cows 0, 14, 18, 21, and 28 d post artificial insemination. Pregnant cows had significantly higher plasma P4 levels and pregnant cows with higher P4 on 14 d tended to have higher P4 in the subsequent period of pregnancy. There was no difference in IL-4 and IL-6 expression between pregnant cows and non-pregnant cows, whereas plasma IL-1β was temporally upregulated on 21 d. The cytokines measured were not affected in either the high-P4 group (>11.1 ng·mL ) or the low-P4 group (<11.1 ng·mL ) in pregnant cows. A weak negative correlation between IL-1β and IL-6 was observed, but none of the cytokines was associated with a change in plasma P4. In conclusion, there was no clear relationship between P4 and Th immunity in maternal plasma in the pregnant cows, which differs from what occurs in humans and mice during early pregnancy.

Keywords： dairy cow     progesterone     pregnancy     cytokine    

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Performance analysis of solar still with cow dung cakes and blue metal stones

Hitesh N. PANCHAL

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 180-186 doi: 10.1007/s11708-015-0361-y

Abstract: Here, blue metal stones and cow dung cakes were used as materials.The first and second solar stills were filled with blue metal, stones and cow dung cakes, while the thirdexperiments show that blue metal stones have the highest distillate output at daytime, followed by cowOn the other hand, the overall distillate output of blue metal stones and cow dung cakes at daytime as

Keywords： blue metal stones     cow dung cakes     distillate output     solar still     solar intensity    

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HARNESSING BIODIVERSITY FOR HEALTHY DAIRY FARMS

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 2,   Pages 238-244 doi: 10.15302/J-FASE-2022445

Abstract: domestic demand for safe and nutritious milk products is one of the critical challenges that Chinese dairycontributed by agrochemicals inputs in China, is accompanied by tremendous impacts on the ecology of dairyThis paper presents a framework for healthy dairy farms in which targeted management practices are appliedDairy farming with biodiversity-driven technologies and solutions will be more productive in producing

Keywords： biodiversity / dairy farm / one health concept / soil health    

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NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 148-158 doi: 10.15302/J-FASE-2020372

Abstract: This paper provides an overview of the range of dairy pasture grazing systems used in New Zealand (NZThere was an increase in stocking rate on NZ dairy farms from 2.62 cows ha in 2000/2001 to 2.85 cowsDuring the same period annual milk solids production increased from 315 to 378 kg·yr per cow.A systems analysis of contrasting dairy farms in Waikato (largest NZ dairying region) indicates thatthe increased input would result in an increase in per-cow milk production but little change in efficiency

Keywords： dairy farms     environmental impacts     grazing systems     intensification     mitigation    

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NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• NZ dairy farming systems are based on year-round grazing of perennial pasture (ryegrass/white

 

This paper provides an overview of the range of dairy pasture grazing systemsThere was an increase in stocking rate on NZ dairy farms from 2.62 cows ha−1−1 per cowthe increased input would result in an increase in per-cow milk production but little change in efficiency

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NUMERICAL MODELING OF BIOMASS GASIFICATION USING COW DUNG AS FEEDSTOCK

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 458-467 doi: 10.15302/J-FASE-2023500

Abstract:

● Gasification of cow dung was evaluated using Aspen Plus software

Keywords： Aspen Plus     biomass gasification     manure of livestock and poultry     simulation     syngas    

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ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 437-447 doi: 10.15302/J-FASE-2023507

Abstract:

● Content of heavy metals in hydrochar varies considerably, from 50% to 100%.

Keywords： heavy metals     dairy manure     hydrochar     hydrothermal carbonization     waste management    

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Evaluation of automated in-line precision dairy farming technology implementation in three dairy farms

Maria CARIA, Giuseppe TODDE, Antonio PAZZONA

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 2,   Pages 181-187 doi: 10.15302/J-FASE-2019252

Abstract:

In recent decades, dairy farms have been exposed to wide variation in profit levels due to a considerableConsequently, it is necessary for the dairy industry to improve efficiency and productivity by adopting

Keywords： cheese yield     infrared analysis     milk quality     real-time measurement     sensor    

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INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,

Abstract:

• Monitoring data of>5000 dairy farms collected and examined in uniform manner.

 

Many grassland-based dairy farms are intensifying production, i.e., produce moreHowever, intensive dairy farming has been implicated for its resources use, ammonia and greenhouse gasThis paper addresses the question of how the intensity of dairy production relates to N and P surplusesThis paper provides lessons for proper monitoring and control of N and P cycling in dairy farming.

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Importance of Viral Disease in Dairy Cow Fertility Review

D. Claire Wathes, Chike F. Oguejiofor, Carole Thomas, Zhangrui Cheng

Engineering 2020, Volume 6, Issue 1,   Pages 26-33 doi: 10.1016/j.eng.2019.07.020

Abstract: There is also significant evidence that viral infections have additional actions in dairy cows, which

Keywords： Bovine viral diarrhea virus     Bovine herpesvirus-1     Bovine herpesvirus-4     Schmallenberg virus     Bluetongue virus     Immunosuppression     Embryo mortality    

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INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Jouke OENEMA, Oene OENEMA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 130-147 doi: 10.15302/J-FASE-2020376

Abstract: Many grassland-based dairy farms are intensifying production, i.e., produce more milk per ha of landHowever, intensive dairy farming has been implicated for its resources use, ammonia and greenhouse gasThis paper addresses the question of how the intensity of dairy production relates to N and P surplusesDetailed monitoring data were analyzed from 2858 grassland-based dairy farms in The Netherlands for theThis paper provides lessons for proper monitoring and control of N and P cycling in dairy farming.

Keywords： ammonia     externalization     feed     forage maize     front runners     manure production     milk yield     nitrogen surplus    

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Global warming potential associated with Irish milk powder production

William Finnegan, Jamie Goggins, Aksana Chyzheuskaya, Xinmin Zhan

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 3, doi: 10.1007/s11783-017-0949-z

Abstract: The most significant contributor to GWP is raw milk production (84%), followed by dairy processing (14%

Keywords： Dairy     Global warming potential     Ireland     Life cycle assessment     Milk powder     Milk production    

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Enhanced Biogas Production from the Anaerobic Batch Treatment of Banana Peels Article

Spyridon Achinas, Janneke Krooneman, Gerrit Jan Willem Euverink

Engineering 2019, Volume 5, Issue 5,   Pages 970-978 doi: 10.1016/j.eng.2018.11.036

Abstract: This study examines the effect of organic loading (OL) and cow manure (CM) addition on AD performance

Keywords： Biogas     Banana peels     Cow manure     Anaerobic treatment     Batch test     Kinetic study    

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NUTRIENT USE EFFICIENCY AND LOSSES OF INDUSTRIAL FARMS AND MIXED SMALLHOLDINGS: LESSONS FROM THE NORTH CHINA PLAIN

Yifei MA, Ling ZHANG, Zhaohai BAI, Rongfeng JIANG, Yong HOU, Lin MA

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 58-71 doi: 10.15302/J-FASE-2020371

Abstract: Activity data were collected by face-to-face surveys on pig and dairy (41 livestock farms) during 2016In mixed smallholdings, 4.0% and 9.6% of pig and dairy feed dry matter (DM) were derived from householdfarms (2.0 kg N and 1.3 kg P) were lower than in mixed pig smallholdings, nutrient losses in industrial dairyfarms (2.7 kg N and 2.2 kg P) were slightly higher than in mixed dairy smallholdings.

Keywords： industrial farms     mixed smallholdings     pig     dairy     nutrient management    

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Title Author Date Type Operation

Modeling temperature and moisture dependent emissions of carbon dioxide and methane from drying dairycow manure

Enzhu HU, Pakorn SUTITARNNONTR, Markus TULLER, Scott B. JONES

Journal Article

The relationship between progesterone and Th-related cytokines in plasma during early pregnancy in cows

Lei CHENG,Youdong XIN,Xiaohua LIU,Xiuzhong HU,Min XIANG,Dingfa WANG,Shuhong ZHAO

Journal Article

Performance analysis of solar still with cow dung cakes and blue metal stones

Hitesh N. PANCHAL

Journal Article

HARNESSING BIODIVERSITY FOR HEALTHY DAIRY FARMS

Journal Article

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Jiafa LUO, Stewart LEDGARD

Journal Article

NEW ZEALAND DAIRY FARM SYSTEMS AND KEY ENVIRONMENTAL EFFECTS

Journal Article

NUMERICAL MODELING OF BIOMASS GASIFICATION USING COW DUNG AS FEEDSTOCK

Journal Article

ASSESSMENT OF HEAVY METALS IN HYDROCHAR PRODUCED BY HYDROTHERMAL CARBONIZATION OF DAIRY MANURE

Journal Article

Evaluation of automated in-line precision dairy farming technology implementation in three dairy farms

Maria CARIA, Giuseppe TODDE, Antonio PAZZONA

Journal Article

INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Journal Article

Importance of Viral Disease in Dairy Cow Fertility

D. Claire Wathes, Chike F. Oguejiofor, Carole Thomas, Zhangrui Cheng

Journal Article

INTENSIFICATION OF GRASSLAND-BASED DAIRY PRODUCTION AND ITS IMPACTS ON LAND, NITROGEN AND PHOSPHORUS

Jouke OENEMA, Oene OENEMA

Journal Article

Global warming potential associated with Irish milk powder production

William Finnegan, Jamie Goggins, Aksana Chyzheuskaya, Xinmin Zhan

Journal Article

Enhanced Biogas Production from the Anaerobic Batch Treatment of Banana Peels

Spyridon Achinas, Janneke Krooneman, Gerrit Jan Willem Euverink

Journal Article

NUTRIENT USE EFFICIENCY AND LOSSES OF INDUSTRIAL FARMS AND MIXED SMALLHOLDINGS: LESSONS FROM THE NORTH CHINA PLAIN

Yifei MA, Ling ZHANG, Zhaohai BAI, Rongfeng JIANG, Yong HOU, Lin MA

Journal Article