Table 4.
Effect of market quality on calving interval and average annual milk yield
| Market | ||||
|---|---|---|---|---|
| Animal type | High | Medium | Low | |
| Calving interval (months) | ||||
| Ethiopia | Indigenous cow | 21.2 | 25.0 | 21.2 |
| Cross-bred cow | 15.1 | 16.6 | 15.1 | |
| Ethiopia mean | 18.1 | 20.8 | 18.5 | |
| India | Indigenous cow | 16.1 | 17.9 | 17.4 |
| Cross-bred cow | 13.4 | 14.3 | 13.6 | |
| Buffalo | 17.7 | 17.3 | 18.6 | |
| India mean | 15.9 | 16.6 | 16.9 | |
| Average annual milk yield (litres) | ||||
| Ethiopia | Indigenous cow | 381 | 189 | 258 |
| Cross-bred cow | 2017 | 1161 | 1500 | |
| Ethiopia mean | 1199 | 675 | 874 | |
| India | Indigenous cow | 818 | 649 | 660 |
| Cross-bred cow | 2670 | 2190 | 2272 | |
| Buffalo | 1166 | 1033 | 1035 | |
| India mean | 1552 | 1290 | 1322 | |
Statistical significance: calving interval Ethiopia – market, P<0.001; animal type, P<0.001; market×animal type, P<0.05; calving interval India: market, P<0.01; animal type, P<0.001; market×animal type, NS; annual milk yield Ethiopia: market, P<0.01; animal type, P<0.001; market×animal type, NS; annual milk yield India: market, NS; animal type, P<0.001; market×animal type, NS.