Cows produce approximately 3,000 litres of milk per lactation[1] under tropical pasture conditions with a high resistance to heat, humidity, ticks and other parasites.
[citation needed] Hence, due to its ability to produce desirable milk outcome and heat and tick resistance, the AFS was a successful crossbreed.
[6] Furthermore, a study conducted in Bangladesh comparing the various genotypes found that "AFS had the shortest gestation period and highest service per conception performance", which was deemed ideal for the country to meet their livestock needs and grow in its climatic conditions.
[6] The utilization of Follicle Stimulating Hormone (FSH) was another programme developed to expand the number of calves produced yearly which was said to enhance the genetic gain of the breed.
[6] The freezing of embryos was another known successful programme that was underway at that point in time to ensure the suitability for exportation and maintain cost efficiency for the future.
This is because the living conditions of the AFS were paramount as the level of humidity influences its body temperature, resulting in heat dissipation and ultimately affecting milk production.
At the beginning of the developmental stage, a 50-50 mix of Holstein-Friesian and Sahiwal genes was utilized solely to develop breeds to achieve the best outcome for milk production and tick resistance even when acaricide fails.
For example, the Tabkwang Research and Breeding Centre found that milk production was unaffected in colder climates like rainy and winter season and was reported to be higher than normal.
Hence, it is important that animals have optimum levels of heat tolerance, which is the ability to regulate its metabolism rate in harsh conditions and high environmental temperatures.
In this research, the Holstein-Friesian cows were identified to exhibit a positive bodily reaction in terms of its ability to adjust to changing altitudes and tolerating heat levels.
discovered that the Sahiwal cattle were often used in countries like Africa, Asia, Australia and South America due to its ability to thrive and adapt to non-optimal nutritional and climatic stressors.
[12] Besides its ability to thrive in varying climatic conditions, the AFS was deemed as a suitable breed for tropical countries as a result of its resistant levels against ticks as well.
[7] Through the crossbreeding of both the Holstein-Friesian and Sahiwal cattle, it produced superior genetics that is able to adapt to temperate or tropical conditions and displayed stronger resistance to ticks and parasites.
[15] The genetic materials of the Holstein-Friesian was studied and the researchers concluded that with fine modifications to the genes, it displayed desirable results for milk production with improvements to its reproductive performance as well.