General and Specific Combining Abilities for Egg Production Traits in a Two-Way Cross Between South African Local and Commercial Chicken Breeds. [PDF]
Mokoena K, Mbazima V, Tyasi L.
europepmc +1 more source
ABSTRACT The mechanisms underlying seasonal patterns in influenza epidemics have long been an enigma. Our laboratory study revealed that ambient ozone significantly inactivates airborne influenza viruses synergistically with higher relative humidity and temperature.
Hidekazu Nishimura +5 more
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Screening and identification of genes for cell autonomous sex identity in chicken somatic cells. [PDF]
Jin Z +8 more
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Why don't all birds lay early? Our 16‐year study of Manx shearwater behaviour shows that selection on breeding timing fluctuates among years. We also find that lay dates are influenced by persistent individual differences, variation in non‐breeding duration, and pair synchrony, potentially constraining breeding phenological advancement under ongoing ...
Katrina Siddiqi‐Davies +12 more
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Effects of spinach and Labada leaf powders with or without NSP-degrading enzymes on performance, egg quality, and yolk pigmentation in late-phase laying hens. [PDF]
Najim YS, Khashan SA, Khan RU, Konca Y.
europepmc +1 more source
There Is no First Phase of the Jespersen Cycle1
Abstract This paper challenges the traditional conception of the Jespersen Cycle by arguing that no ‘pure’ first phase of the cycle exists where a single negator operates without reinforcement. Drawing on historical data from Northern Italian dialects (Piedmontese, Lombard, Emilian), we demonstrate that emphatic negative structures systematically co ...
Tommaso Mattiuzzi, Cecilia Poletto
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Poultry digital twins must earn their authority: Biological validity, welfare value, and responsible adoption. [PDF]
Neethirajan SR.
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Post‐Breach Events, Itemisation and the Avoided Loss Rule
In English law, the following equation is used to compute damages awards: (a) loss sustained in consequence of the breach of duty (‘prima facie loss’) minus (b) benefits obtained as a result of the breach of duty = (c) net loss. This paper explores the manner in which prima facie loss is defined.
Melody Hadfield
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Dual-strain Bacillus subtilis 597 and 600 complex improves productive performance and nutrient digestibility, egg quality and physiological status in early-to-peak phase laying hens. [PDF]
Oh S +8 more
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Abstract This article analyses to what degree Benjamin Robins's discoveries in his book New Principles of Gunnery, 1742, affected the British mathematical, military, and educational world of the mid‐eighteenth century. While it drew praise and critique from Europe, especially from the notable mathematician Leonhard Euler, his mathematical theories were
Samuel Dodson
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