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Titlebook: Calculation of Demographic Parameters in Tropical Livestock Herds; A discrete time appr Matthieu Lesnoff,Renaud Lancelot,Christian Sahut Bo

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樓主: foresight
11#
發(fā)表于 2025-3-23 10:57:41 | 只看該作者
,Beispiel Tragflügelumstr?mung,d rate (say .). Although definitions for . and . are often presented as preliminaries in statistical books [42–44], this is less common in tropical livestock literature, except in few specialized documents [45, 46]. For instance, both ILCA and CIRAD manuals, published in the 1990s, on research metho
12#
發(fā)表于 2025-3-23 17:51:40 | 只看該作者
,Beispiel Tragflügelumstr?mung,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
13#
發(fā)表于 2025-3-23 20:56:38 | 只看該作者
14#
發(fā)表于 2025-3-23 23:13:34 | 只看該作者
978-94-024-0352-7The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature B.V. 201
15#
發(fā)表于 2025-3-24 04:29:22 | 只看該作者
s intended to be educational, and should help students, technicians, engineers, researchers and development staff to understand the definitions and formulas encountered in the literature more clearly and make them more self-sufficient in terms of analyses.978-94-024-0352-7978-94-017-9026-0
16#
發(fā)表于 2025-3-24 08:36:30 | 只看該作者
Book 2014and calculation of demographic rates for largely non-intensive tropical animal farms. It is intended to be educational, and should help students, technicians, engineers, researchers and development staff to understand the definitions and formulas encountered in the literature more clearly and make them more self-sufficient in terms of analyses.
17#
發(fā)表于 2025-3-24 11:47:52 | 只看該作者
18#
發(fā)表于 2025-3-24 18:32:48 | 只看該作者
,Beispiel Tragflügelumstr?mung, mortality rates for the four animals presented in Fig. 3.1 can be calculated by: . In (3.1) the denominator is the initial number of animals and in (3.2) the time of presence of the animals in the considered period, referred to as . in epidemiology.
19#
發(fā)表于 2025-3-24 22:05:40 | 只看該作者
20#
發(fā)表于 2025-3-25 00:25:44 | 只看該作者
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