Studies on nutritional and economical models under different production system: 1. effect of fatty acid of calcium soap on productive performance of dairy goats

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Abstract: This study aimed to evaluate the effect of dietary supplementation of three types of calcium soap of fatty acids (CSFA) from soybean (SBM), cotton seed (CS) and palm (PM) oils added to the ration of Zaraibi goat does on productive performance and weights of their offsprings. Twenty four does goats were chosen and randomly divided into four similar group (6 in each ).Animals in 1st group (G1) fed ration containing concentrate feed mixture (CFM) , berseem hay (BH) and bean straw (BS) with rate of 50:25:25., respectively., according to NRC (2000) . Animals in the 2nd (G2), third (G3), and fourth (G4) group were fed the same ration supplemented with 5% CSFA of DM intake from soybean, cotton seed and palm oil in G2, G3 and G4, respectively Feed intake, live body weight, milk yield and milk composition of does were recorded during pre- and post-partum Also, LBW of kids during suckling period was recorded. The results obtained can be summarizing as fallows:
Animals fed ration contacting CSFA of palm oil (G1) showed lower in DM intake through different periods than other groups. However, total DM intake relative to LBW was nearly similar in the fourth group during pre-partum and it showed to be higher with G2, G3 and G4 during suckling period. In this respect, ration between concentrate to roughage were similar in different period. Differences in live body weight of does during pre-partum and two months post-partum were not significant among all group, but these differences from the 3rd up to the 7th of post-partum, were significant (P<0.05) with G2. Animals in G2 (fed ration containing CSF A of soybean oil) tended to increase in milk yield with no significant during suckling and post-partum periods, but increasing in milk yield at 30 day postpartum with animals of G2 were significant (P<0.05) , and it was to be respect an composition of milk. Animals fed ration containing CSFA of soybean oil (G2) appeared to significantly (P<0.05) higher in live body weight from 30 day up to 90 day at weaning period than the other group. From these results, it could be concluded that, feeding Zaraibi goat does on ration containing CSFA from soybean oil attained to higher milk yield and its composition during suckling and post-weaning periods. Moreover, kids produced tented to significantly (P<0.05) higher live body weight during suckling periods.
Keywords: goats; feed intake; live body weight; milk production; LBW of kids.

Publication year

2012

Pages

225-235

Availability location

معهد بحوث الانتاج الحيوانى- شارع نادى الصيد- الدقى- الجيزة

Availability number

Organization Name

Animal Production Research Institute (APRI)

serial title

Egyptian Journal Nutrition and Feeds

ISSN