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Interaction between oviposition time, age, and environmental temperature and egg quality traits in laying hens and broiler breeders
hen production type age temperature oviposition
2015/6/23
An experiment with laying hens and broiler breeders of two ages (young 22 vs. 36 weeks, old
83 vs. 64 weeks) and at temperatures of 20 and 28°C was carried out to evaluate the interactions between
...
Influence of Energy Restriction and Pre-incubation Holding Period of Eggs on Fertility and Hatchability in Aged Broiler Breeders
Energy Restriction Pre-Incubation Holding Fertility Hatchability Aged Broiler Breeders
2016/5/4
The effects of controlled energy restriction and duration of pre-incubation egg holding on fertility, hatchability and hatch losses were evaluated in aged broiler breeders (64 wk). The energy (ME) req...
The effect of autoclave processing and gamma irradiation on apparent ileal digestibility in broiler breeders of amino acids from canola meal
Gamma digestibility protein canola poultry
2010/9/10
The objective of this study was to investigate the effect of different doses of gamma irradiation and autoclaving on the apparent ileal digestibility in male broiler breeders of amino acids from canol...
Reproductive Performance of F1 Pekin Duck Breeders Selected with Ultrasound Scanning for Breast Muscle Thickness and the Effect of Selection on F2 Growth and Muscle Measurement
breast muscle ultrasound breeders egg weight fertility hatchability
2010/11/12
A study was conducted to assess the effect of selection for breast muscle thickness in Pekin
ducks on reproduction of F1 and growth performance of the resulting progeny. At 7 and 23 wk of age, the li...
(Contemporary Issue) Public Cotton Breeders - Do We Need Them?
Contemporary Issue Public CottonBreeders
2008/12/15
During the last 25 yr, upland cotton (Gossypium hirsutum L.) and pima cotton (G. barbadense L.) production in the USA has varied from 4 to 6.9 million ha. Major concerns for breeders have been disease...
Influence of Supplemental Vitamin D3 on Production Performance of Aged White Leghorn Layer Breeders and Their Progeny
Vitamin D3 White Leghorn Layer Breeders Production Performance
2016/4/22
An experiment was conducted to elucidate the effect of graded levels of vitamin D3 in White Leghorn (WL) layer breeders on egg production, shell quality, hatchability of eggs and juvenile performance ...
Effect of Supplementing Microbial Phytase on Performance of Broiler Breeders Fed Low Non-phytate Phosphorus Diet
Non Phytate Phosphorus Phytase Broiler Breeders Production Performance
2016/4/20
An experiment was conducted to study the production performance of broiler breeder females (25 to 40 weeks of age) fed either reference diet or low non-phytate phosphorus (NPP) diet with or without mi...
PREVALENCE OF ANTIBODIES TO ENCEPHALITOZOON CUNICULI (MICROSPORIDIA) IN ANGORA GOATS – A POTENTIAL RISK OF INFECTION FOR BREEDERS
goats Protozoa Microsporidia Encephalitozoon cuniculi
2010/12/24
The presence of antibodies against Encephalitozoon cuniculi in Angora goats was detected by the method of indirect immunofluorescence (IFAT). The animals reacting at the titre 1: 64 and more were cons...