Impact of recent research on energy feeding systems for dairy cattle

Livestock Production Science

Volumn 66, Issue 3, 2000, Pages 197-215

  Agnew, R E ^a   Yan, T ^a  

^a AGRI FOOD AND BIOSCIENCES INSTITUTE   (United Kingdom)

Author keywords

Dairy cow; Efficiency; Energy system; Maintenance; Validation

Indexed keywords

ANIMALIA; BOS TAURUS;

EID: 0033753244     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-6226(00)00161-5     Document Type: Review

References (98)

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3. Technical Committee on Responses to Nutrients, Report Number 5, Nutritive Requirements of Ruminant Animals: Energy
4. Protein and energy metabolism of lactating Granadina goats
5. Direct analysis of body composition of dairy cows at three physiological stages
6. Effects of acetic and propionic acids on energy retention and milk secretion in goats
7. Potential for altering partition in the lactating cow
8. Caloric equivalent of live weight loss of dairy cattle
9. The effect of date of cut and barley substitution on gain and on the efficiency of utilisation of grass silage by growing cattle. 2. Nutrient supply and energy partition
10. The effect of stage of harvest of maize silage on the concentration and efficiency of utilisation of metabolisable energy by lactating dairy cows
11. Feed evaluation for ruminants. 3. Proposed application of the new system of energy evaluation in Switzerland
12. Maintenance requirements of beef cattle as affected by season on different planes of nutrition
13. Genetic variation in energy expenditures of monozygous twin beef cattle at 9 and 20 months of age
14. Body composition of dairy cows according to lactation stage, somatotropin treatment, and concentrate supplementation
15. Implications of fasting on the energy metabolism and feed evaluation in ruminants
16. Genetic trends - Has progress been made in the last six years?
17. The influence of dairy cow genetic merit on the direct and residul response to level of concentrate supplementation
18. The effect of genetic merit and concentrate proportion in the diet on nutrient utilisation by lactating dairy cows
19. Energy utilisation by high producing dairy cows. 1. Experimental design, ration composition, digestibility data and animal performance during energy balance trials
20. Energy utilisation by high producing dairy cows. 2. Summary of energy balance experiments with lactating Holstein cows
21. A net carbohydrate and protein system for evaluating cattle diets: 3. Cattle requirements and diet adequacy
22. Changes in body components of autumn-calving Holstein-Friesian cows over the first 29 weeks of lactation
23. A note on the estimation of the body fat, protein and energy content of lactating Holstein-Friesian cows by measurement of condition score and live weight
24. Energy balance in cattle offered a forage diet at submaintenance levels
25. The influence of genetic index for milk production on the response to complete diet feeding and the utilisation of energy and nitrogen
26. Performance of Friesian cows with high and low breeding indexes. 1. Stall feeding and grazing experiments and performance during the whole lactation
27. Performance of Friesian cows with high and low breeding indexes. 1. Energy and nitrogen balance experiments with lactating and pregnant, non-lactating cows
28. Endocrine control of nutrient partition in lactating ruminants
29. Energy metabolism in lactating Holstein cows
30. Changes in the rate of heat production of calves during grazing and eating
31. Variation among twin beef cattle in maintenance energy requirements
32. Effect of increasing ruminal butyrate on milk yield and blood constituents in dairy cows fed a grass silage-based diet
33. Hepatic urea synthesis and site and rate of urea removal from blood of beef steers fed alfalfa hay or a high concentrate diet
34. Changes in liver and gastroinstestinal tract energy demands in response to physiological work load in ruminants
35. Energy exchanges of cattle nourished by intragastric infusion of nutrients
36. Effect of small amounts of glucose and different volatile fatty acid mixture on fasting N excretion in lambs
37. Effect of sire and interaction of sire with ration on efficiency of feed utilisation by Holsteins
38. Estimates of energy required for maintenance by adult sheep. 2. Grazing sheep
39. The energy cost of urea synthesis in sheep
40. Influence of energy density and metabolisable energy intake on visceral organ growth in sheep
41. Energy allowances and feeding systems for ruminants
42. Energy metabolism of dairy cattle
43. Use of body tissue reserves for milk production by the dairy cow
44. The net energy values of feeds for lactation
45. Partial efficiency of energy use for maintenance, lactation, body gain and gestation in the dairy cows
46. Effect of breed and body weight on components of heat production in growing pigs
47. Animal performance as the criterion for feed evaluation
48. The influence of ruminal infusion of volatile fatty acids on milk yield and composition and energy utilisation by lactating cows
49. Effect of volatile fatty acid composition and protein on energy utilisation and milk composition in cows sustained by intragastric nutrition
50. Dietary-induced thermogenesis and feed evaluation in ruminants
51. Effect of glucose supply on fasting nitrogen excretion and effect of level and type of volatile fatty acid infusion on response to protein infusion in cattle
52. Heat loss and energy retention during growth in congenitally obese and lean rats
53. The energy cost of fat and protein deposition in the rat
54. Energy expenditure and mitochondrial proton leak in lean and obese strains of rats
55. Some aspects of the energy metabolism in lactating goats
56. Regulation of protein turnover
57. Relationship of body composition to energy intake and energetic efficiency
58. Nutritional requirements of the high genetic merit dairy cow: Constraints of feeding grasses and legumes
59. Energy requirements and responses: A UK perspective
60. Effects of diet forage-to-concentrate ratio and intake on energy metabolism in growing beef heifers: Whole body energy and nitrogen balance and visceral heat production
61. Effects of diet forage-to-concentrate ratio and intake on energy metabolism in growing beef heifers: Net nutrient metabolism by visceral tissues
62. Prediction of the voluntary intake of grass silages by beef cattle. 3. Precision of alternative prediction models
63. Fasting metabolism, maintenance requirements and growth performance of Hereford x Friesian steers
64. Treatment of urea-treated whole crop wheat to improve its energy value for lactating dairy cows
65. Energy and nitrogen balance of lactating dairy cows given mixtures of urea-treated whole-crop wheat and grass silage
66. Effect of maize silage maturity on digestibility and energy balance of lactating cows
67. Effect of altering the starch:fibre ratio in the concentrate on hay intake and milk production by Friesian cows
68. Changes in composition and energy content of liveweight loss in dairy cows with time after parturition
69. Sleep and activity, age and fatness, and the energy expenditure of confined sheep
70. Net energy value for lactation of a high and low concentrate ration containing corn silage
71. Effect of diet on partial efficiency of acetate use for body tissue synthesis by mature cattle
72. The energy utilisation of grass silage diets by lactating dairy cows
73. Feed evaluation for dairy cows
74. Feed evaluation for ruminants. 1. The systems in use from May 1977 onwards in the Netherlands
75. Feed evaluation for dairy cows
76. Sources of genetic variation in energetic efficiency of dairy cows
77. Effects of interaction between genotype and feeding system on milk production, feed intake, efficiency and body tissue mobilisation in dairy cows
78. Estimation in vivo of the chemical composition of the bodies of mature cows
79. The prediction of methane energy output in dairy and beef cattle offered grass silage-based diets
80. The metabolisable energy requirement for maintenance and the efficiency of utilisation of metabolisable energy for lactation by dairy cows offered grass silage-based diets
81. The fasting heat production and effect of lactation on energy utilisation by dairy cows offered forage-based diets
82. The effects of wilting of grass prior to ensiling on the response to bacterial inoculation. 1. Silage fermentation and nutrient utilisation over three harvests