نتایج جستجو برای: kidding rate
تعداد نتایج: 960518 فیلتر نتایج به سال:
The aim of this study was to identify risk factors for culling, sales and deaths in intensively managed dairy goat herds in New Zealand. A data set provided by the New Zealand Dairy Goat Cooperative (n = 13,197 does) was analyzed using a Cox proportional hazard model. The outcome of interest was length of productive life (LPL), defined as the number of days from the date of second kidding to th...
The objective of this study was to estimate genomic breeding values for milk yield in crossbred dairy goats. The research was based on data provided by 2 commercial goat farms in the UK comprising 590,409 milk yield records on 14,453 dairy goats kidding between 1987 and 2013. The population was created by crossing 3 breeds: Alpine, Saanen, and Toggenburg. In each generation the best performing ...
A newly developed technique for trans-cervical deep uterine insemination of goats is described. An experiment was conducted to compare this transcervical method with the laparoscopic intrauterine insemination using frozen-thawed semen. Of the 46 primiparous and 21 multiparous estrus-synchronized Boer goat does inseminated transcervically, 71% (22/31) kidded compared with 53% (19/36) of does ins...
In this study it was evaluated the environmental effects on body weights of goat kids from birth to 5 months of age of local goat population in Tunisia. Except for birth weight, individual records were adjusted for standard ages (1, 2, 3, 4 and 5 months) using either extrapola on or interpolation on field data. Data were analyzed by SNK (α = 0.05) means comparison test and GLM procedure. The ki...
If there is any leader who thinks we are going back to where were a year ago, they kidding themselves.
A 20-month-old child was accidentally poisoned after biting through the bottom of a medicine container and ingesting the tablets inside. Consequently a study was carried out to determine the force required to fracture 20 randomly selected 25 and 32 ml polystyrene containers to see whether this exceeded the bite force of a child's jaw. Tests were performed at displacement rates of 0.5 and 10 cm/...
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