枯燥 发表于 2025-3-26 22:10:48
Mortality and Offtake Rates,d rate (say .). Although definitions for . and . are often presented as preliminaries in statistical books , this is less common in tropical livestock literature, except in few specialized documents . For instance, both ILCA and CIRAD manuals, published in the 1990s, on research metho独轮车 发表于 2025-3-27 02:13:58
Numerical Examples,seases and productivity of small ruminants. The PPR project was jointly implemented by the Senegalese Institute of Agricultural Researches (ISRA) and CIRAD in the 1980s. During the project, traditional goat and sheep herds were monitored for more than fifteen years in rural areas ranging from northe有毒 发表于 2025-3-27 05:31:47
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