Evaluación de los niveles de vitaminas ad3e, en bloques nutricionales suministrados en bovinos de leche en explotaciones afectadas por el volcán Tungurahua del cantón Patate

Abstract

This research was conducted in the San Luis Property of Mr. Carlos Timpe, the Tungurahua Province. Canton Patate. AD3E vitamin levels were evaluated in nutritional blocks supplied in dairy cattle on farms affected by the Tungurahua volcano, was available 24 Jersey cows Raza, the Second lactation , aged about 4 years . The portions of nutrient blocks are formulated according to the dietary requirements for milk production stage with the addition of vitamins AD3E levels 20%, 30 % and 40 %. The final weight of cows with average 354.87 Kg In evaluating the final average body condition was 3 ( VL) , a daily milk production was 17.08 liters day. The average total milk yield was 1510.75 liters daily consumption of nutritional blocks was 470 grams. With regard to economic evaluation in treatment was. The total production of the milk obtained Treatment 2, with a total average production of 1558.5 liters of milk, milk price per liter of $ 0.29, with a profit of $ 305.87 and a benefit cost ratio of 1.66. The total production of the milk obtained Treatment 3, with a total average production of 1545.5 liters of milk, milk price per liter of $ 0.30, with a profit of $ 291.79 and a benefit cost 1.62. The total production of the milk obtained Treatment 1, with a total average production of 1540 liters of milk, milk price per liter of $ 0.28, with a profit of $ 319.8 and a benefit cost 1.73. The total production of the milk obtained Witness, with a total average production of 1399 liters of milk, milk price per liter of $ 0.30, with a profit of $ 252.51 and a benefit cost 1.58