Bioactive compounds enrichment in rabbit doe’s diet pre-and during pregnancy improved productive and reproductive performance and cost-effectiveness under hot climates

Mohamed Elsayed El-Speiy, Moustafa Mohamed Zeitoun, Mohamed A. El-Sawy, Tarek A. Sadaka, Bahaa A. Abou-Shehema, Mohamed M. Abdella, Hossam A. Shahba, Mahmoud R. Habib
2023 · doi:10.21203/rs.3.rs-3559417/v1
preprint OA: closed CC-BY-4.0
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Abstract

Abstract This study aimed to investigate the effect of diet supplementation with a symbiotic (SY), bee pollen (BP), honey bee (HB), date palm pollen (DPP) and their mixture (MIX) on female rabbit productive and reproductive performances under desert hot climates. Seventy-two Californian does of 5 months age and average body weight of 3250 ± 78.2g was randomly allotted into six groups. All does were orally received 3 ml distilled water for 10 days before mating and 28 days during pregnancy. Treatments were repeated for four consecutive parities. The first group was served as control (C) given distilled water only, however the second, third, fourth and fifth groups were supplemented with 3ml distilled water containing0.2 ml SY, 200 mg DPP,200 mg BP, 0.2 ml HB/doe per day, respectively. While, the sixth group does were given all previous ingredients (MIX). Sexual receptivity rate, fertility rate, kindling rate, and newborn traits were recorded. Also, maternal feed intake, feed conversion ratio, and digestibility coefficients were recorded. Treatment increased maternal body weight and daily gain with highest values (P < 0.05) in BP, SY, and MIX does. All treatments enhanced feed intake and feed conversion ratio (FCR) compared with control. Number services per conception decreased (P < 0.01), while litter size and weight and survival at birth and weaning increased (P < 0.01) in treated than control does. Treated does produced more milk than control. All digestibility coefficients were improved (P < 0.01) in treated does. In conclusion, supporting rabbit does pre- and during pregnancy with diets supplemented with a mixture of honey bee, date palm pollen, bee pollen, and synbiotic improved the productive and reproductive performances of rabbit does and their offspring.

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License: CC-BY-4.0