الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
Twenty nine Egyptian dairy buffalo cows with average weight of 550 kg were used in the current work to study the influence of feeding whole linseed (WLS, Omega3 precursor) or whole cotton seed (WCS, Omega6 precursor) in dairy buffalo cows rations on production and reproductive performance. Our work was divided into two experiments; experiment() was an in-vitro digestibility trial for 20 rations divided into four groups, the group (A) contained rations included WLS(3.03%, 4.48%, 6.18%), group (B) contained rations included WCS (8.02%, 11.07%, 14.03%), group (C) contained rations included (7.92%WCS+1.5%WLS, 2.47% WCS+3.01%WLS, 5.38% WCS+2.29%WLS), rations of the three groups were isocaloric, isonitrogenous. While, group (D) contained 11 rations, one was a control (no crude oils or whole oilseeds included) and the other ten were the control with different percentages of LS oil and/or C.S oil. Results revealed that dry matter and organic matter disappearance were mostly better in rations with (4.48%WLS, 11.07%WCS and control) than others in their groups. Experiment () was conducted upon twenty nine buffalo cows, divided into three groups, 10 fresh buffalo cows for control group (no oil seeds), then 10 fresh buffalo cows for LS group ( 4.48%WLS of DM), last 9 fresh buffalo cows for C.S group (WCS 11.07% of DM). The three experimental rations were isocaloric, isonitrogenous, but differed in fat percent and omega6/omega3 ratio. Results revealed that feeding rations included WLS or WCS significantly enhance the ovarian response and reproductive performance in dairy buffalo cows, change the fatty acids profile of buffalo milk and serum and altering lipid metabolism.