jbs

jbs-product-logo-main 1331898601

Considerations on the Breeding and Weaning of Buffalo Calf  Pages 84-91

Luigi Zicarelli


DOI: https://doi.org/10.6000/1927-520X.2020.09.11

Published: 05 June 2020

 


Abstract: The buffalo calf is more challenging to adapt to the transition from breast milk to other substitutes that favor weaning.

Growth in the pre-weaning period is affected by the amount of reconstituted milk consumed. When the quantity of reconstituted milk consumed is low, the weaning weight is also low. The gap between the latter and the optimal weight will never be eliminated because the species cannot perform compensatory growth, such as cattle. There is a delay in reaching an optimal live weight to start puberty. The age at first birth is, in fact, lower in those countries that leave all the milk to the calf for meat production or as happens in Italy where there is a suitable milk substitute.

In Italy, it has been verified that calves taking almost ad libitum quantities of cow's milk weigh more than 140 kg at 4 months and have their first birth at the age of 22-26 months. As adults, they have an almost zero percentage of vaginal or uterine prolapse.

In further experiences on 3672 heifers, it was possible to verify "ex-post" that the calves that had taken a more significant quantity (150 kg vs. 105) of milk substitute had shown age at the first birth in advance of about 6 months (28, 5 versus 34).

Future investigations should verify the effect of weaning birth and not just the cost of weaning.

Age at first birth is not only an economic parameter, but it is useful for an early evaluation of bulls in progeny tests.

Keywords: Buffalo calf, calf breeding, weaning, milk replacer.

Download

jbs-product-logo-main 1331898601

Similarities and Differences between River Buffaloes and Cattle: Health, Physiological, Behavioral and Productivity Aspects Pages 92-109

Aldo Bertoni, Fabio Napolitano, Daniel Mota-Rojas, Emilio Sabia, Adolfo Álvarez-Macías, Patricia Mora-Medina, Armando Morales-Canela, Jesús Berdugo-Gutiérrez and Isabel Guerrero- Legarreta
DOI: https://doi.org/10.6000/1927-520X.2020.09.12
Published: 26 June 2020

 


Abstract: The river buffalo is an emerging production species worldwide; indeed, it is overtaking other cattle as a producer of meat and milk in some countries. Though both species belong to the Bovidae family, they show significant anatomical, physiological, and behavioral differences due to their different phylogenetic positions. The river buffalo is a rustic animal that can benefit from low-quality, fibrous forages due to its digestive system, in contrast to beef cattle or dairy cows. Besides, the buffalo cow’s reproductive apparatus has fewer cervical muscle rings and a shorter vagina and cervix. This species has maintained its seasonal breeding pattern, also in contrast to Bos indicus and Bos taurus. Even though buffaloes have an inefficient thermoregulating system, scarce hair, and a thicker epidermis, they are more resistant to tropical weather conditions if water for wallowing is available than dairy cows, which in turn adapt better to temperate zones. Due to the morphology of the river buffalo’s mammary glands, they produce less milk, while their conical teats with narrower sphincters decrease predisposition to mastitis compared to dairy cows. Thus, the study of the anatomical and physiological differences among river buffalo, Bos Taurus, and Bos Indicus will allow the implementation of strategies to improve the former’s productivity while also increasing welfare levels according to the production system in which they are raised.

Keywords: Behavior, buffalo production, buffalo disease, cattle, river buffalo, dairy.

Download

jbs-product-logo-main 1331898601

Current Trends in Buffalo Milk Production Pages 121-132

Luigi Zicarelli


DOI: https://doi.org/10.6000/1927-520X.2020.09.14

Published: 13 August 2020

 


Abstract: Between 1961 and 2018 on the total number of dairy ruminants, the percentage of buffaloes and the quantity of milk produced by them had an increasing trend from 3.7% to 5.2% and from 5.4 to 15.7%, respectively; this value on the world total "cow milk + buffalo milk" rose to 18.64%.

In the Asian continent, buffaloes' incidence on the total number of dairy ruminants increased slightly (from 10.2% to 11.7%) while the percentage of cattle fell from 38% to 26.4%. In the same period, the percentage of buffalo milk decreased from 44.6% to 36.9%, while cow milk shares increased from 55.4% to 63%.

The percentage of milk produced in Pakistan, India, Nepal (after 2010), and especially in Egypt showed a downward trend. In Italy, the trend has always been increasing.

The market price of buffalo milk in developing countries does not compensate for costs which are 15% higher than cow's milk, if only the cost of feeding is considered, and increases to 40% when the difference in kg of milk equivalent between the two species is about 900 kg per lactation. A reduction of the production gap between the two species is difficult to be achieved because the genetic improvement of dairy cattle is performed in industrialized countries with higher financial support. Therefore, a marketing effort is needed to make well-differentiated buffalo products with specific and well-received sensory properties. In this regard, it should also be noted that δ-valerobetaine, a bioactive molecule beneficial for human health, is present in buffalo milk and meat in higher quantities than in cow's milk.

Keywords: Buffalo milk, world buffalo milk, italian buffalo milk.

Download

jbs-product-logo-main 1331898601

Physiological and Behavioral Changes of Water Buffalo in Hot and Cold Systems: Review Pages 110-120

Ariadna Yáñez-Pizaña, Luis Alberto de la Cruz-Cruz, Ariel Tarazona-Morales, Patricia Roldan-Santiago, G. Ballesteros-Rodea, Raym Pineda-Reyes and Héctor Orozco-Gregorio
DOI: https://doi.org/10.6000/1927-520X.2020.09.13
Published: 13 July 2020

 


Abstract: This review's objective is to provide information on the mechanisms that buffaloes express during the thermoregulation process. Generally, the water buffalo is associated with warm and tropical climates. In these systems, the combination of high temperature, relative humidity, and radiation cause different physiological and behavioral changes, particularly during the summer months. Wallowing behavior in water or mud promotes heat dissipation through physical mechanisms, such as conduction, convection, and radiation. Furthermore, the provision of natural or artificial shades contributes to thermoregulation and maintains homeostasis. In production systems in cold climates, the wallowing behavior is inhibited by the water temperature, so it is important to keep the animals protected in stables to avoid the cold winds and rapid drops in temperature, causing increased illness pneumonia and sometimes death. Finally, in cold conditions, the animals require an appropriate diet since the use of energy is distributed mainly for the production of heat. Thus, heat stress and cold stress generates relevant problems in health, welfare, and productivity in water buffaloes. A comprehensive assessment of the severity of the resulting problems associated with thermal stress and specialty in cold stress in water buffaloes is necessary so far, and there's very little information about it in this species.

Keywords: Cold stress, thermal stress, microclimate, behavior, welfare.

Download

jbs-product-logo-main 1331898601

Reproductive Performance of Water Buffalo Cows: A Review of Affecting Factors Pages 133-151

Hector Nava-Trujillo, Robert Valeris-Chacin, Adriana Morgado-Osorio, Simón Zambrano-Salas, Luis Tovar-Breto and Armando Quintero-Moreno


DOI: https://doi.org/10.6000/1927-520X.2020.09.15
Published: 13 August 2020

 


Abstract: This article aims to review both the economic impact of reproductive failures on the profitability of water buffalo systems and the effect of different factors on the reproductive performance of water buffaloes. Besides, an overview of various non-hormonal alternatives to improve reproductive performance is made. The optimal reproductive efficiency in water buffaloes implies calving to conception interval around 90 days to reach a calving interval of 400 days, with longer calving intervals having a negative impact on profitability. Reproductive efficiency is the consequence of the interaction of genetic and non-genetic factors, and the recognition of these factors by analyzing the reproductive information must be a priority. Although each factor's impact can be of greater or lesser magnitude depending on the conditions of each herd, some factors like nutrition, milk yield, body condition score, negative energy balance, parity, bull presence, low estrus intensity, and season can be considered high-impact factors. Not all factors are common among farms; therefore each farm must implement a program for the identification, control, and prevention of reproductive problems, especially during early lactation, to prevent a long anestrus; and when artificial insemination is used, so that it is done at the correct time with respect to the beginning of estrus to enhance fertility.

Keywords: Parity, season, BCS, energy balance, milk yield, silent estrus, anestrus.

Download