Evaluating pasture breeding objectives using computer models
نویسندگان
چکیده
منابع مشابه
Breeding Objectives and Desired-Gain Selection Index for Rayeni Cashmere Goat in Pasture System
The aim of this study was to define breeding goals and determine the suitable selection index in Rayeni cashmere goat using simulated data. To select animals for increased quantity of meat, milk and cashmere produced, body weight of the doe (BWD), milk weight (MW), cashmere weight (CW), weight of kids for sale (WK) and number of kids for sale per doe (NK) was used as selection criteria. Four se...
متن کاملUsing Concept Maps for Evaluating Program Objectives
1 Jessica Gerchak, University of Pittsburgh, Department of Industrial Engineering, 1068 Benedum Hall, Pittsburgh, PA 15261 [email protected] 2 Mary Besterfield-Sacre, University of Pittsburgh, Department of Industrial Engineering, 1048 Benedum Hall, Pittsburgh, PA 15261 [email protected] 3 Larry J. Shuman, University of Pittsburgh, School of Engineering, 323 Benedum Hall, Pittsburgh, PA 15...
متن کاملBreeding objectives for Targhee sheep.
Breeding objectives were developed for Targhee sheep under rangeland production conditions. Traits considered were those for which EPD were available from the US National Sheep Improvement Program and included direct and maternal effects on 120-d weaning weight (WW and MM, respectively); yearling weight (YW); yearling fleece weight, fiber diameter, and staple length; and percent lamb crop (PLC)...
متن کاملBreeding and Genetics: Dairy Crossbreeding and Breeding Objectives
First-parity Holstein (H), Normande-Holstein (NxH) crossbred, Montbeliarde-Holstein (MxH) crossbred and Scandinavian-Holstein (SxH) crossbred cows calving from June 2001 to December 2003 were compared for dystocia and stillbirths from seven California herds. Dystocia scores ranging from 1 (no assistance) to 5 (hard pull) and stillbirths (1 for alive and 0 for dead) were recorded for 1695 Holste...
متن کاملFeed Intake Specifications in Defining Breeding Objectives
SUMMARY Development of selection objectives for beef cattle requires tion of the available feed resources. In production systems \Ji th to li~eral quantities of harvested feeds of relatively high quality to improve economic eff iciency ~lill normally favor animals ~li th high potentials for the primary production traits. Hovlever , these highly types may also have relatively high maintenance re...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: New Zealand Journal of Agricultural Research
سال: 1994
ISSN: 0028-8233,1175-8775
DOI: 10.1080/00288233.1994.9513065