Effects of feeding high energy supplements pre and post breeding on estrus and conception of spring calving heifers

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Title: Effects of feeding high energy supplements pre and post breeding on estrus and conception of spring calving heifers
Author: Coley, Allison
Abstract: The objectives of this study were to evaluate the feeding a high energy supplementation and its effects on estrus and conception rates in Angus heifers . Treatments were 1 a control group with water and wheat pasture ad libitum and 2 diet fed once daily containing 70 % Sorghum Grain , 10 % Cotton Seed Meal , 17 % Alfalfa pellets and 3 % Cane Molasses at 2 .72 kg per head with water and sudan grass hay ad libitum . Treatment 1 consisted of 16 Angus heifers and Treatment 2 consisted of 15 Angus heifers randomly allocated . The 2 -shot Lutalyse method was used to synchronize estrus and Heat Watch® sensors were attached . Treatment (2 ) received a high energy diet during entire breeding process , and two weeks post breeding . No significant differences between treatments were observed for estrus or conception rates (P ≤ 0 .05 ) . Pre and post experiment body condition score (BCS ) and body weight (BW ) between the two treatments were similar . Therefore the feed treatment (Treatment 2 ) had no effect on reproductive performance in Angus heifers .
URI: http : / /hdl .handle .net /2346 .1 /25
Date: 2012-01-19
2011-12-10

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Coley, Allison Effects of feeding high energy supplements pre and post breeding on estrus and conception of spring calving heifers. Master's thesis, Angelo State University. Available electronically from http : / /hdl .handle .net /2346 .1 /25 .

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