Influencia de la intensificación reproductiva en las producciones (cordero y leche/oveja) obtenidas en rebaños Assaf
- C. Palacios
- S. Martín
- J.A. Abecia
- F. Forcada
- J.A. Valares
- I. Palacin
- F. Deletang
- A. Martino
- Fernando Forcada Miranda (coord.)
- Eduardo Angulo Asensio (coord.)
- José Antonio García de Jalón Ciércoles (coord.)
- Marcelo de las Heras Guillamón (coord.)
- Fernando López Gatius (coord.)
- Marianao Domingo Álvarez (coord.)
- Alfonso Abecia Martínez (coord.)
Publisher: Sociedad Española de Ovinotecnia y Caprinotecnia SEOC
Year of publication: 2004
Congress: Sociedad Española de Ovinotecnia y Caprinotecnia (SEOC). Jornadas (8. 2004. Lleida)
Type: Conference paper
Abstract
We have evaluated whether or not an intensification of reproductive rhythm (number of lambingperiods per year) could improve flock performances. Results from 7260 ewes from 24 Assaf flocks (98-02) have been analysed. Flocks were divided into 4 groups depending on number of mating periods peryear: continuous mating (Group 1), two (group 2), three (group 3) or four (group 4) mating periods.Number of lambing periods/ewe/year was increased (p<0.05) when the number of mating periodsincreased (0.76±0.02; 1.01±0.07; 0.94±0.09; 1.24±0.07, for Groups 1-4 resp). A trend to signification wasfound for liters of milk sold/ewe (176.±14.0; 276.5±84.5; 303.1±22.9 and 350.7±25.9; Groups 1-4 resp, p= 0.07) and lambs sold per ewe (0.70±0.06; 0.97±0.17; 1.07±0.09 and 1.32±0.15; Gropus 1-4 resp,p=0.09). In conclusion, an increment of the number of mating periods in a flock is able to increase theoverall performance of the flock throughout the year