Pasture yield kgha Animal behavior Stocking rate Palatability
Pasture yield (kg/ha( Animal behavior Stocking rate Palatability Voluntary Intake Pasture management Animal growth product Chemical compsition Digestibility Digestible Nutrients
Voluntary intake H H H express on metabolic body weight (g / kg W 0. 75 ( pen feeding : cultivars and species field measurement : sward structure, botanical composition, plant age and plant parts I=Tx. Rx. S I= Nx. S
Nutritional composition H H H H Neutral detergen soluble Crude protein(%) (cell content( Crude fiber H Neutral detergen fiber Nitrogen free extract H Acid detergen soluble Ether extract H Hemicellulose Ash H ADF – Ca H Cellulose – P ect. H Lignin Energy
Intake H Voluntary intake (g/kg/d( Excresion H H Urine (g/d( Feaces (g/d( Digestibility H H H Dry matter digestibility (DMD(% : Oganic matter digestibility (DOM(% : Total digestible nutrient (TDN(% :
Toxic substance H H H Tannin Hydrocyanic acid Prussic acid Mimisine Nitrate Oxalate
percent frequency Frequency distribution of digestibility Tropical species Temperate species 20 10 90807060504030 Dry matter digestibility(%)
Leaf percentage, DMD, and VI of Panicum maximum cv. Kabula, cv. Burnett and Panicum maximum cv. Hamil Kabula Leaf percentage 28 DMD (% in vivo) 55. 2 Voluntary intake )g/d/kg. W 0. 75) 49. 1 Source : Minson (1971( Burnett Hamil 38 53 57. 0 55. 5 58. 1 67. 3
In vivo dry matter digestibility and voluntary intake of legume and grass of different age (Playne & Haydock, 1972( Species Age DMD )days) (%) Stylosanthes 44 57 humilis 110 58 6955 145 Heteropogon 44 55 contortus 110 43 3440 145 VI g/kg. W 0. 75/d( 58 67 53 31
�������� 2 ������� ( Plicatulum Humidicola 604530 Voluntary intake (g kg -. 75( 39 102 97 Dry matter digestibility(%) 39 59 54 38 91 38 55
�������� 2 ������� ( Plicatulum Humidicola 604530 Total digestible nutrient(%) 35 35 48 45 47 Digestible energy (k cal kg-1( 2. 900 <. 500 2. 160 2. 028 2. 054
�������� 2 ������� ( Plicatulum Humidicola 604530 crude protein(%) 6. 9 5. 7 13. 9 12. 8 ADF (cellulose & lignin(% , 34. 49 34. 61 43. 98 45. 46 45. 96 8. 1
�������� 2 ������� ( Plicatulum Humidicola 604530 NDF (cell wall(% , 44. 38 45. 02 61. 35 66. 64 66. 66 NDS (cell content(% , 28. 64 23. 74 25. 79 27. 13 27. 91
Van Soest’s H Neutral deteregen soluble (NDS: cell content( – Sugar Starch (NFE( – Protein Fat – Pectin Tannin Neutral detergen fiber (NDF: cell wall( – Acid detergen soluble: ADS Hemicellulose – Acid detergen fiber: ADF Cellulose Lignin (ADL(
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