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Estimation of L-threonine requirements for Longyan laying ducks
Laying Duck Requirement Threonine
2017/3/8
A study was conducted to test six threonine (Thr) levels (0.39%, 0.44%, 0.49%, 0.54%, 0.59%, and 0.64%) to estimate the optimal dietary Thr requirements for Longyan laying ducks from 17 to 45 wk of ag...
Effects of Enzyme Complex Supplementation to a Paddy-based Diet on Performance and Nutrient Digestibility of Meat-type Ducks
Xylanase beta-Glucanase Cellulase Paddy Ducks
2016/5/11
Paddy rice is rarely used as a feed because of its high fiber content. In this study, two experiments were conducted to study the effects of supplementing an enzyme complex consisting of xylanase, bet...
Amino Acid Digestibility of Corn,Pearl Millet,and Sorghum for White Pekin Ducks,Anas Platyrinchos Domesticus
AMEn amino acid digestibility ducks metabolizable energy TMEn
2009/7/30
The objective of the present experiment was to determine the digestibility of amino acids and nitrogen-corrected apparent (AMEn) and true (TMEn) metabolizable energy contents of corn, pearl millet, an...
The Role of Magnesium and Calcium in Eggshell Formation in Tsaiya Ducks and Leghorn Hens
Calcium Magnesium Eggshell Tsaiya Duck Leghorn Hen
2016/4/12
Tsaiya ducks and Leghorn hens are the two major laying birds raised in Taiwan. They are all excellent egg layers. Tsaiya ducks are small in body size (1.3 kg) with bigger egg weight (65 g) and stronge...