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Atti delle Giornate di Coniglicoltura AsIC 2011 – 8-9 aprile 2011 – Forlì – Italia (TobeC e-value) at parturition compared to the bG does (P=0.024). The rabbit does in both groups were fed with the lactation diet after weaning. This may have resulted in a better condition of the bG rabbits at kindling. The bG does showed slightly better survival, but the difference between the groups was significant only at 0.1% level. at 5 and 7 weeks of age, rabbits were heavier in the bb group (P
Lavori scientifici - sessione Riproduzione e Genetica EFFEcT OF RE-INSEmINATION INTERVAL AFTER ThE FIRST pARTURITION ON ThE pERFORmANcE OF RAbbIT dOES maTiCs Zs. 1 , KusTos K. 3 , GerenCsér Zs. 2 , radnai i. 2 , naGY i. 2 , sZendró´ Zs. 2 1 K1HAs-ORG, Research Group of Animal Breeding and Hygiene, Kaposvár, Hungary 2 Faculty of Animal science, Kaposvár University, Hungary 3 Lab-Nyúl Ltd., Gödöllõ, Hungary Zsolt Matics, Kaposvár University, H-7400 Kaposvár Guba s. str. 40, Hungary Tel. +36 82-505 800 - Fax: +36 82-320 167 *Corresponding author: matics.zsolt@ke.hu AbSTRAcT The objective of the study was to examine the effect of the length of period between the first kindling and the next insemination on the performance of rabbit does. rabbit does (n=311) were randomly sorted to 3 groups and were inseminated 11 (ai-11), 18 (ai-18) or 25 days (ai-25) after the first parturition. subsequent inseminations occurred 11 days after kindling. The kindling rates (between the 2nd and 7th kindling) of the ai-11, ai-18 and ai-25 groups were 68.0; 74.1 and 76.3 (ns), respectively. no significant differences were found for the does’ body weight, litter size (total, born alive, at day 21), suckling mortality, litter and individual weight at day 21. despite of the small differences that were recorded for these traits, the productivity per 100 inseminations substantial alterations were observed for the total number of kits born (687, 738 and 786), total number of kits born alive (642, 705 and 724), total number of kits at day 21 (642, 705 and 724) and total kit’s weight at day 21 (221, 230 and 239 kg) among the ai-11, ai-18 and ai-25 groups. based on the results after the first kindling it is worth to re-inseminate the does 1-2 weeks later for improving their condition and production level. Key words: Rabbit does, Reproductive performance, Insemination interval. INTROdUcTION The most important factors that determines the rabbit does’ production is their body condition (Pascual, 2010), and the age at first insemination (rommers et al., 2002; bonanno et al., 2004). high longevity and high level production can only be expected if the energy depots of rabbit does is sufficient. during the final phase of gestation that coincides with the lactation peak the does show energy deficit (Xiccato, 1996), thus feed intake cannot provide them with their energy demand. The primiparous lactating does loose an exceptionally large part of their fat depots that can be explained with the growth of their own body as they inseminated after reaching 75- 69
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FONDAZIONE INIZIATIVE ZOOPROFILATTI
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FONDAZIONE INIZIATIVE ZOOPROFILATTI
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GIORNATE DI CONIGLICOLTURA ASIC 201
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RELAzIONI SU INVITO Feed restrictio
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