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Actigraph as a Device for Estimation of Heat Production of White Leghorn Hens under High Ambient Temperature
heat production activity count standing time ambient temperature feed intake
2009/8/3
Eight commercial Single Comb White Leghorn hens were used to study the effects of high ambient temperature on behavioral activities and to select a better parameter for the estimation of heat producti...
Effect of Physical Activities on Heat Production of White Leghorn Hens under Different Lighting Regimes
heat production activity count standing time lighting regime laying hen
2009/7/31
Six Single Comb White Leghorn laying hens (Shaver, Star cross 288) were used to estimate heat production (HP) for physical activities under different lighting regimes (LR) of 12L : 12D, 14L : 10D and ...
Changes in Thickness and Weight of Shell Portion of Egg and in Weight and Size of Whole Egg during the Stay in the Uterine Part of the Oviduct (Shell Gland) in the Guineafowl:Comparison with White Leghorn Hens
guineafowl shell gland eggshell formation egg size
2009/7/31
The thickness and weight of the shell portion (shell with shell membrane) of eggs at various times during the stay in the uterus and at oviposition were found to be greater in the guineafowl than thos...
Histological Study of the Caecal Tonsil in the Cecum of 4- 6 Months of Age White Leghorn Chicks
Cecum caecal tonsil nodular unit histology
2009/1/19
Cecum, the largest part of chicken’s large intestine, has an important role in liquid absorption and cellulose digestion. It acts as a defensive organ as well due to the presence of large masses of di...
Relative Performance and Immune Response in White Leghorn Layers Fed Liquid DL-methionine Hydroxy Analogue and DL-methionine
Performance Immune Response DL-methionine DL-methionine Hydroxy Analogue Free Acid White Leghorn Layer
2016/4/26
The relative performance and immune response was evaluated in White Leghorn layers fed liquid DL-methionine hydroxyl analogue-free acid (MHA-FA) relative to dry DL-methionine (DLM) in maize-soybean-su...