With global warming becoming a reality, and many countries recording soaring ambient temperature, there has been clamour to evolve heat tolerant breeds. Excessive heat and humidity affects dry-matter intake and energy loss, resulting in losses in milk production and reproduction.
In some cases to decide genetic potential of any heifer or a bull, knowing with certainty the paternity side of a calf is critical. This is especially true in India where many a times, along with artificial insemination, the cow is also served with a bull. A simple test is now available to test this....
Gir cattle of the Zebu class have become popular worldwide for being hardy, resistant to infectious and parasitic diseases (external as well as internal). With overt changes in climate and wide-spread global warming animal scientists are concerned that milk production may fall drastically as European and American breeds are not tolerant to warm and humid climates.
There is increasing interest of consumers in A2 milk as it is considered to be safer than A1. Some basic about these two genes must be understood.
While breeding your cows employing artificial insemination technique, as a consumer it is your right to demand that semen from a disease-free and progeny tested bull be used.