Crecimiento de terneral holstena al destete con cuatro dósis de estracto de quillaja orgánica en el cantón mejía provincia de Pichincha año 2012

This research was conducted in the farm Mary Aurora, located at Kilometer 66 via Santo Domingo-Aloag, Pichincha province, Canton Mejía, parish Manuel Cornejo Astorga industry Pampas Argentinas, with a latitude of 0 ° 10 '- 0 ° 30' S, and longitude of 78 ° 35 'W, at an altitude of 1,450 meters. It lasted 120 days. Treatments were studies, calves fed whole milk more quillaja four doses of 2.0, 2.5, 3.0 and 3.5 g, which is used 15 Holstein calves, which were distributed into five treatments with three replications and a calf per experimental unit . We used a completely randomized design (DCA), and the multiple range test of Tukey (P ≥ 0.05) of probability. Variables was evaluated initial weight (kg), weight gain (g), Wither height (cm), histopathological examination. The results demonstrate that the use of 2.0 and 2.5 g. quillaja per liter of whole milk feeding holstein calves had greater weight gain 305.56 and 265.87 g / day, cross a height of 85.00 and 93.00 cm, presenting the best value goblet mucous cells with an average of 3.1, and speeds up to 0.009 mm representing a greater absorption capacity of nutrients. Witness calves had the lowest ratio of goblet mucous cells with 4:1 average villus height of 0.006 mm. The best economic index was presented in supplying Whole milk + 2.5 and 3.0 of quillaja / liter in holstein calves feeding with 503.44 and 480.67 income of 185.46 dollars and 184.89 profit dollars and profitability of 1.70. Keyword: Calves, food, whole milk, quillaja.

• Main Author: Segovia Tapia, Armijio Naun (author)
• Format: bachelorThesis
• Language: spa
• Published: 2013
• Subjects: Terneras; Alimentación; Leche entera; Quillaja
• Online Access: http://repositorio.uteq.edu.ec/handle/43000/2740