Seasonal variation in growth of Berkshire pigs in alternative production systems
نویسندگان
چکیده
منابع مشابه
Seasonal variation in growth of Berkshire pigs in alternative production systems
OBJECTIVE The objective of the present study was to investigate the effects of farrowing month (FM), parity and sex on the growth performance of Berkshire swine raised in alternative production systems. METHODS A total of 40 farrowing records from 27 sows and 1,258 body weight (BW) records from 274 piglets collected over a two-year period were used for the analysis. The BWs were recorded at b...
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Comparison of growth performance of Berkshire purebreds and crossbreds sired by Hereford and Tamworth breeds raised in alternative production system
OBJECTIVE The objective of the present study was to compare growth performance of Berkshire purebred pigs (BB), Hereford (HB) and/or Tamworth (TB) sired Berkshire crossbred pigs reared in a hoop structure in two experiments. METHODS In the first experiment, BB was compared to TB while HB and TB were compared in the second. Body weights (BW) were recorded at 3 days of age and every 28 days fro...
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ژورنال
عنوان ژورنال: Asian-Australasian Journal of Animal Sciences
سال: 2016
ISSN: 1011-2367,1976-5517
DOI: 10.5713/ajas.16.0587